Answer: The area is 15 square units
Step-by-step explanation: It is helpful to sketch the coordinates on a graph to get an idea of what the triangle looks like so you can see which side will be the base, and where to get the height. You will see that AB is the hypotenuse, it is a right triangle, so AC can be the base and BC is the height.
Use the differences in x-values of points C & A to get the length of the base: 2-(-3) is 5
Use the differences in y-values of points B & C to get the height:
4-(-2) = 6
Area = bh/2
A = 5×6/2 = 30/2
A = 15 square unts
Last month you swam the 50 meter freestyle in 28.38 seconds. Today you swam it in 27.33 seconds. What is your percent of change? Round to the nearest tenth of a percent if necessary.
Answer:
The distance is the same(50 meters). So we will operate only with numbers 28.38 and 27.33.
The difference is 28.38-27.33=1.05
So the percent of change is (1.05/28.38)*100%≈3.7%
The answer is 3.7%
Step-by-step explanation:
nice bnha pfp btw
Solve:
\(3(2x+5) = 4-x\)
Give your answer as a mixed number.
Answer:
1 4/7
Step-by-step explanation:
open the bracket
Collect into like terms
divide
and put it into mixed number
What is quadratic form of the length of a classroom floor is 1m longer than its width and the area is 54 m2
Answer:
x(x+1)=54,Quadratic equation
What is System Effectiveness, if Operational Readiness is 0.89, Design Adequacy is 95%, Availability is 98%, Maintainability is 0.93, and Mission Reliability is 0.99? a. 0.763 b. 0.881 c. 0.837 d. 0.820
The System Effectiveness is approximately 0.763.
To calculate the System Effectiveness, we need to multiply the values of Operational Readiness, Design Adequacy, Availability, Maintainability, and Mission Reliability.
System Effectiveness = Operational Readiness * Design Adequacy * Availability * Maintainability * Mission Reliability
Plugging in the given values:
System Effectiveness = 0.89 * 0.95 * 0.98 * 0.93 * 0.99
System Effectiveness ≈ 0.763
Therefore, the System Effectiveness is approximately 0.763.
The correct answer is a. 0.763.
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Even though he was the facilities director with the county, Keith loosened his tie and waded into the raw, untreated sewage with the rest of the project team. As they stood there together in the quagmire of mud and feces, the team members found Keith less intimidating and his:
Keith, the facilities director, joined the project team in wading through raw sewage, causing the team members to perceive him as less intimidating.
By loosening his tie and immersing himself in the unpleasant and challenging task alongside the project team, Keith demonstrated his willingness to get his hands dirty and work at the same level as his colleagues. This act of solidarity broke down the perceived hierarchy between Keith and the rest of the team members. The uncomfortable and unglamorous environment of the sewage created a level playing field, where Keith's position as a director became less apparent and his humanity and willingness to collaborate became more prominent.
As a result, the team members likely felt a sense of camaraderie and unity with Keith. They could see that he was not just a figure of authority but also a team player willing to go the extra mile to contribute to the project's success. This experience might have fostered a stronger bond within the team, increased their respect for Keith, and improved overall communication and collaboration, as they now perceived him as more approachable and relatable. Keith's actions in the face of adversity created a positive shift in the team dynamics and contributed to a more inclusive and effective working environment.
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write two trillion,seven billion in standard form
Answer:
2,007,000,000,000
Step-by-step explanation:
The numbers from left to right here are:
2 trillion
0 hundred billion
0 ten billion
7 billion
0 hundred million
0 ten million
0 million
0 hundredthousand
0 ten thousand
0 thousand
0 hundreds
0 tens
0 ones
if gabby wants to make a regular octagon with a side length of 20 inches of water , how much wire does she need?
Answer:
160 inches
Step-by-step explanation:
An octagon has 8 sides;
20*8=160
Someone please help me with the answer. ASAP
option a is the answer you are which class same question is there for me
find the radius of convergence, r, of the series. [infinity] 8(−1)nnxn n = 1
The radius of convergence of the given series is 1. The series is an alternating series, which means that we can apply the Alternating Series Test to determine the convergence of the series. The ratio test can also be used to show that the radius of convergence is indeed 1.
The given series can be written as:
∞
Σ 8(-1)^n n x^n
n=1
To find the radius of convergence, we can use the Alternating Series Test, which states that if a series is alternating (i.e., the signs of its terms alternate), decreasing, and its limit as n approaches infinity is 0, then the series converges.
In this case, the series is alternating because the signs of its terms alternate between positive and negative. To show that it is decreasing, we can take the derivative of the nth term with respect to x and show that it is negative for all n:
d/dx [8(-1)^n n x^n] = 8(-1)^n n^2 x^(n-1)
Since n^2 is always positive, the sign of the derivative is determined by (-1)^(n+1), which is negative for odd values of n and positive for even values of n. Thus, the series is decreasing for all x.
To show that the limit of the nth term as n approaches infinity is 0, we can use the ratio test. The ratio of the (n+1)th term to the nth term is:
|(8(-1)^(n+1) (n+1) x^(n+1)) / (8(-1)^n n x^n)| = |(-1)(n+1)x / n|
As n approaches infinity, this ratio approaches |-x|, which is less than 1 if |x|<1. Thus, the series converges for |x|<1.
Finally, we need to check the endpoints x=-1 and x=1 to see if the series converges at those points. At x=-1, the series becomes:
∞
Σ 8(-1)^n n (-1)^n
n=1
which is the alternating harmonic series, and we know that it converges to ln(2).
At x=1, the series becomes:
∞
Σ 8(-1)^n n
n=1
which diverges because the nth term does not approach 0 as n approaches infinity.
Therefore, the radius of convergence is 1, and the series converges for -1 < x ≤ 1.
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Find the equation of this line.
[?]
x + [ ]
y
Step-by-step explanation:
In a equation of a line
y=mx+c
Let's take two points from the graph (0,1) and (4,3)
Slope=m= (3-1/4-0)= 2/4=1/2
C= 1
y=½x+1
Answer:
y = ½x + 1
Step-by-step explanation:
the line pass through (x1,y1) as (-2,0) and (x2,y2) as (0,1) so the line equation can be determine by
\( \frac{y - y1}{y2 - y1} = \frac{x - x1}{x2 - x1} \)
(y-0)/(1-0) = (x-(-2))/(0-(-2))
y = (x+2)/2
y = ½x + 1
Follow the steps to find the product of and 0.55.
Estimate the product of and 0.55.
1/4-
Convert the decimal 0.55 to a fraction.
V55/100
What is the product of the two numbers?
X 110/150 or 11/15
110/300 or 11/30
77/103
1) Estimate value of the product of 2/3 and 0.55 is, 2/3.
2) The fraction part is, 55 / 100
3) The product of the two numbers is, 11/30
We have to given that,
Estimate the product of 2/3 and 0.55.
And, Convert the decimal 0.55 to a fraction.
And, The product of the two numbers.
Now,
Estimate the product of 2/3 and 0.55,
So, we can round 0.55 to the nearest whole number, which is 1.
Then, multiply 2/3 by 1 to get an estimate of the product.
so, The correct answer is 2/3.
Now, we can convert the decimal 0.55 to a fraction,
= 0.55
= 55/100
= 11/20
Thus, The correct answer is, 55/100.
And, the product of 2/3 and 0.55,
= 2/3 x 55/100
= 110/300
= 11/30.
Hence, The correct answer is, 110/300 or 11/30
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help plz it's not dark blue
Answer:
YELLOW
Step-by-step explanation:
MY TEACHER MADE ME DO THIS LOL
Leila is buying a dinosaur model. The price of the model is z dollars, and she also has to pay a 7% tax.
Which of the following expressions could represent how much Leila pays in total for the model?
Answer:
T=z(0.07)+z
Step-by-step explanation:
Dat right der
help pls lord jesus
Answer:
The answer is on the paper. Hope it's correct :)
Did we invent math or did we discover it?
Answer:
we invented it. it's a tool to help things make sense.
Answer:
Step-by-step explanation:
We invent it. it was invented by Archimedes.
32 is 56% of what number?
Answer:
About 57.14285714, or 57 1/7 (400/7)
Step-by-step explanation:
Suppose the answer is x. This would mean that x multiplied by 0.56 (56%) would equal 32. To isolate x, you would have to divide both sides by 0.56, making the answer 32/0.56, or About 57 and 1/7
help please
QUESTION 10
Asume that Ryan earned $24,000 in 1970, $48,000 in 1980, and 72,000 in 1990. If the CPI was 40 in 1970, 60 in 1980, and 100 in 1990, then in real terms, Ryan's salary was highest in
Oa. 1980 and lowest in 1990.
O b. 1990 and lowest in 1970. Oc. 1990 and lowest in 1980.
Od. 1980 and lowest in 1970.1
QUESTION 11
Which of the following will be included in GDP?
O a. Vegetables produced in the backyard for self consumption.
ObA jewelery set bought from an antique store.
Oc. The rental value of owned occupied houses.
Od. Purchase of a pre owned car.Apple company starts a new plant in Nepal and they manage and control the affairs of that business. This will be considered as
O Foreign Direct Investment for the US.
O Foreign Portfolio Investment for the US
O Foreign Direct Investment for Nepal
O Foreign Portfolio Investment for Nepal.
QUESTION 13
Which of the following is a problem with CPI calculations? O Both the substitution bias and unmeasured quality change
Only the substitution bias but not the unmeasured quality change Only the unmeasured quality change but not the substitution bias Neither the substitution bias nor the unmeasured quality change.
In Question 10, to determine the year when Ryan's salary was highest in real terms, we need to adjust his earnings for inflation using the Consumer Price Index (CPI). Given the CPI values for 1970, 1980, and 1990, we can calculate the real value of Ryan's salary for each year and compare them.
In Question 11, we are asked to identify which item will be included in GDP. GDP measures the value of goods and services produced within a country's borders during a specific time period. We need to determine if the given options represent items that contribute to GDP.
In Question 13, we are discussing the problems with CPI calculations. CPI is used to measure inflation and changes in the cost of living. We need to identify the specific issues associated with CPI calculations.
Question 10: To determine the highest real salary, we need to adjust Ryan's earnings for inflation. We can do this by dividing his earnings in each year by the respective CPI value and then comparing the real values. By performing the calculations, we find that Ryan's salary was highest in 1970 when adjusted for inflation.
Question 11: In this question, option a (vegetables produced in the backyard for self-consumption) is not included in GDP as it represents non-market production for personal use. Option b (jewelry set bought from an antique store) is included in GDP as it involves a market transaction. Option c (rental value of owner-occupied houses) is not included in GDP as it is imputed and not a market transaction. Option d (purchase of a pre-owned car) is included in GDP as it involves a market transaction.
Question 13: The problem with CPI calculations includes both the substitution bias and unmeasured quality change. The substitution bias arises because CPI assumes constant consumption patterns and does not account for consumers' ability to substitute cheaper goods for more expensive ones. Unmeasured quality change refers to the difficulty of accurately capturing changes in the quality of goods and services over time in the CPI calculation. Therefore, the correct answer is that both the substitution bias and unmeasured quality change are problems with CPI calculations.
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you need to add lines, segments, and angles to create your ultimate circle. you need to incorporate specific theorems. Each problem must ask for a missing measure(an arc measure, segment length or angle measure. Provide information that someone would need to solve at the top of the puzzle could include angle measures, arc measures, tangent lines, parallel ect. You must list which problem number is used for each listed theorem show all work.
Some information that someone might use to solve problems related to a circle design is the Tangent Arc theorem.
What is the tangent arc theorem?The tangent arc theorem states that if an angle is formed by two secants, one secant, one tangent, or two tangents, and also intersects in a space outside of the circle, then the value obtained will be equal to the difference of the values of the intercepted arcs divided by one and a half.
Also, note that angles outside a circle are those whose vertex or arc is pointed outwards and their sides are either secants or tangents. With this information, it will be possible to solve problems related to tangent lines and arc measures.
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Line AB and line BC form a right angle at point B. If A = (2, 5) and B = (4, 4), what is the equation of line BC?
Answer:
y = 2x - 4
Step-by-step explanation:
To solve this problem, we must first calculate the slope of the line AB using the formula:
\(\boxed{m = \frac{y_2 - y_1}{x_2 - x_1}}\)
where:
m ⇒ slope of the line
(x₁, y₁), (x₂, y₂) ⇒ coordinates of two points on the line
Therefore, for line AB with points A = (2, 5) and B = (4, 4) :
\(m_{AB} = \frac{5 - 4}{2 - 4}\)
⇒ \(m_{AB} = \frac{1}{-2}\)
⇒ \(m_{AB} = -\frac{1}{2}\)
Next, we have to calculate the slope of the line BC.
We know that the product of the slopes of two perpendicular lines is -1.
Therefore:
\(m_{BC} \times m_{AB} = -1\) [Since BC and AB are at right angles to each other]
⇒ \(m_{BC} \times -\frac{1}{2} = -1\)
⇒ \(m_{BC} = -1 \div -\frac{1}{2}\) [Dividing both sides of the equation by -1/2]
⇒ \(m_{BC} = \bf 2\)
Next, we have to use the following formula to find the equation of line BC:
\(\boxed{y - y_1 = m(x - x_1)}\)
where (x₁, y₁) are the coordinates of a point on the line.
Point B = (4, 4) is on line BC, and its slope is 2. Therefore:
\(y - 4 =2 (x - 4)\)
⇒ \(y - 4 = 2x - 8\) [Distributing 2 into the brackets]
⇒ \(y = 2x-4\)
Therefore, the equation of line BC is y = 2x - 4.
Solve for h:
2h-4x=-6y
Please provide steps also
Answer:
h = -3y + 2x
Step-by-step explanation:
Add 4x to both sides of the equation.
2h = −6y + 4x
Divide each term in 2h = −6y + 4x by 2 and simplify.
Divide each term in 2h = −6y + 4x by 2.
2h/2 = -6y/2 + 4x/2
Simplify the left side.
h = −6y/2 + 4x/2
Simplify the right side.
Simplify each term.
Cancel the common factor of −6 and 2.
h = -3y+2(2x)/2
Cancel the common factors.
Factor 2 out of 2.
h = -3y+2(2x)/2(1)
Cancel the common factor
h = -3y+2(2x)/2(1)
Rewrite the expression
h = -3y + 2x/1
Divide 2x by 1.
h = -3y + 2x
hopefully its right LOLZ
Help! To solve this system of equations by elimination, what operatfon could be used to eliminate the x-variable and find the value of y?
6x + 5y = 2
4x + 2y = 8
es )
A)
subtract 2 times the second equation from 3 times the first equation
B)
subtract 3 times the second equation from 2 times the first equation
9
subtract 5 times the second equation from 2 times the first equation
D)
subtract 2 times the second equation from 5 times the first equation
Answer:
c)
subtract 5 times the second equation from 2 times the first equation
Step-by-step explanation:
subtract 5 times the second equation from 2 times the first equation
This will make the coefficient of the y variable 10
for both equations
10y - 10y = 0
leaving only x
I need help its a transverse thing I need answer for x and y and could you please explain it
Step-by-step explanation:
Hope ot helps u mate
if there is any problem inbox me
Meldie made a cube whose side is (3x - 2) inches. Find its volume in cubic inches.
Answer:
x^2(3x-2) cubic inches OR in^3
OR
3x { 3 [ 3x ( x - 2 ) + 4 ] } - 8 cubic inches OR in^3
I AM UNAWARE IF YOU ASKED THAT ONE SIDE IS (3X-2) OR ALL. I WILL ANSWER BOTH PARTS
-
NOTE: '^' MEANS TO THE POWER OF..
-
Volume = v, abc = 3 sides of cube (height, width, length)
Using the formula for volume in a cube,
\(v = abc\)
We can solve this.
If one side is (3x-2)in,
(3x-2)(x)(x) = v.... x are the other two sidesx^2(3x-2) = vx^2(3x-2) cubic inches OR in^3
If all sides are (3x-2)in,
Use the formula,
\((a - b) ^{3} = {a}^{3} + 3ab(b - a) - {b}^{3} \)
We can solve this.
(3x-2)(3x-2)(3x-2) = v(3x-2)^3 = v.... 3x = a and -2 = b(3x)^3 + [(3)(3x)(2)][2-3x] - (2)^3 = v27x^3 + 18x(2-3x) -8 = v(27x^3 + 36x - 54x^2) - 8 = v.. Terms inside brackets - take 3x as common and leave out 83x(9x^2 -18x +12) = v... Take 3 as common again in the brackets3x [ 3 ([3x^2 -6x] + 4) -8 = v....Take 3x common in the terms in square brackets3x [ 3 [ 3x (x-2) + 4 ]] - 8 = v3x { 3 [ 3x ( x - 2 ) + 4 ] } - 8 = v3x { 3 [ 3x ( x - 2 ) + 4 ] } - 8 cubic inches OR in^3
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How to solve p-10/-2=0
Answer: p=−5
Step-by-step explanation:
Answer:
p-10/-2=0
p-5=0
p=5
solved
Determine whether each expression can be used to find the length of segment AB.
AB= 10sinC
AB = 10cosA
AB = 8tanA
AB= 8tanC
A
B
27
8
10
C
The length of segment AB, is calculated using the formulae velow
AB = 10 sin CAB = 10 cos AAB = 8 tan CHow to the formulae for length of ABInformation from the question
a figure of right triangle
The length of AB is worked using SOH CAH TOA
Sin = opposite / hypotenuse - SOH
Cos = adjacent / hypotenuse - CAH
Tan = opposite / adjacent - TOA
The length of AB is solved using sin, cos and tan as follows
Sin = opposite / hypotenuse - SOH
sin C = AB / 10
AB = 10 Sin C
Cos = adjacent / hypotenuse - CAH
cos A = AB / 10
AB = 10 cos A
Tan = opposite / adjacent - TOA
tan C = AB / 8
AB = 8 tan C
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36. A child has fallen from a bicycle onto the pavement and landed on her elbow. The elbow is bent and the girl says she cannot move it. What do you do after calling EMS personnel
After calling EMS personnel, it is important to ensure the child's safety and comfort while waiting for help to arrive. Stabilize the injured arm in a comfortable position using a makeshift splint or sling, and offer reassurance to the child.
Once EMS personnel have been called, the immediate priority is to ensure the child's safety and provide comfort while waiting for professional medical assistance. Start by carefully assessing the situation and determining if there are any immediate dangers in the vicinity, such as moving traffic or other potential hazards. If necessary, gently move the child to a safer location, keeping in mind the importance of minimizing movement and preventing further injury.
Next, attend to the injured elbow. If the child is unable to move the arm and complains of pain, it is important to immobilize it to prevent further damage. Look for any obvious signs of deformity, swelling, or discoloration around the elbow area. Using materials available, such as a folded towel, a piece of clothing, or a scarf, create a makeshift splint or sling to stabilize the injured arm in a position that feels comfortable to the child. This will help support the elbow and prevent any unnecessary movement while waiting for professional medical assistance to arrive.
While providing care, it is crucial to offer reassurance and comfort to the child. Stay calm and speak in a soothing tone, explaining that help is on the way and that everything will be okay. Encourage the child to keep still and avoid using the injured arm until medical professionals can assess and provide appropriate treatment. Monitor the child's condition closely, paying attention to any changes in symptoms or signs of distress. Remember, the primary goal is to maintain the child's safety and minimize further harm until professional medical help arrives.
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Anyone know the answer to this, will mark as brainlist
Answer:
15
Step-by-step explanation:
adding 15 black beads gives you 16 black beads and 4 white beads
16/4 =4/1 or 4:1
1/4 + 3/8 + 1/2 + 5/8 + 3/4 + 7/8 + 1 + 1 1/8 + 1 1/4 =
Answer: 27/4 or 6 3/4
Step-by-step explanation:
Make them all the same denominator by making them all improper fractions over 8: \(2/8+3/8+4/8+5/8+6/8+7/8+9/8+10/8\) Add 2, 3, 4, 5, 6, 7, 8, 9, 10 to get 54Put it all over 8 --> 54/8 Simplify to get 27/4Which postulate or theorem can be used to determine the length of RT
Answer:
AAS Congruence Theorem
Step-by-step explanation:
The two triangles share the same vertex T. Therefore, both ∆s has the same measure of <T.
From the information made available in the diagram above, it shows that the non-included side of 170, and two given angles, <T and <S in ∆RST are congruent to the non-included side of 170, and two given angles, <T and <U in ∆VUT. Therefore, ∆RST and ∆VUT are both congruent to each other based on the AAS Congruence Theorem.
This invariably implies that the length of RT is congruent to the length of VT.
Evaluate the function f(x) = â€""2x2 â€"" 3x 5 for the input value â€""3. â’22 â€""4 2 32.
The equivalent value of the function f(x) = –2x^2 – 3x + 5 if x = -3 is -4
We are to evaluate the function f(x) = –2x2 – 3x + 5 for the input value –3.
Given the function:
f(x) = –2x^2 – 3x + 5For x = -3, we will have to substitute x = -3 into the expression to have:
f(-3) = –2(-3)^2 – 3(-3) + 5
f(-3) = -2(9) + 9 + 5
f(-3) = -18 + 14
f(-3) = -4
Hence the equivalent value of the function f(x) = –2x^2 – 3x + 5 if x = -3 is -4
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