Answer:
e = -2
Step-by-step explanation:
-13+7e=-3e-33
We move all terms to the left:
-13+7e-(-3e-33)=0
We get rid of parentheses
7e+3e+33-13=0
We add all the numbers together, and all the variables
10e+20=0
We move all terms containing e to the left, all other terms to the right
10e=-20
e=-20/10
Answer:
e = -2
Step-by-step explanation:
= 7e + 3e = -33 + 13
= 10e = -20
= e = -2
what's the z-score for the lowest FinalGrade for Freshman
The z-score for the lowest final grade for a freshmen is given as follows:
Z = -1.83.
How to calculate the z-score?The z-score of a measure X of a variable that has mean symbolized by \(\mu\) and standard deviation symbolized by \(\sigma\) is obtained by the rule presented as follows:
\(Z = \frac{X - \mu}{\sigma}\)
The parameters for this problem are given as follows:
\(\mu = 74.38, \sigma = 4.445, X = 66.25\)
Hence the z-score for the lowest final grade for a freshmen is obtained as follows:
Z = (66.25 - 74.38)/4.445
Z = -1.83.
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Cuantas Escuelas de administración hay ?
5. Which of the following illustrates the Distributive
Property?
F. 3(2x + 4) = 5x + 4
G. 3(2x + 4) = 5x + 7
H. 3(2x + 4) = 6x + 4
I. 3(2r + 4) = 6 + 12
plz answer quickly yikess
Answer: Hi!
Option I is correct. 3(2x + 4) = 6x + 12
When you use the distributive property, you multiply the term outside of the parentheses (in this case, 3) by the terms inside of the parentheses (in this case, 2x and 4.)
Hope this helps!
use the sketch below to decide if congruence can be proved, and if so, which method would prove the congruence.
Yes, the proof of congruence of two triangles ∆ABC ≅ ∆GHF is possible.
The convergence method which proves this congruence is SSS(side-side-side) congruence.
We have given the sketch of two triangles as seen above. We have to prove ∆ABC ≅ ∆GHF
Now , AB = √(-7+7)² + 5² = 5 in triangle ABC and FG = 5 in triangle FGH,
so, AB ≅ FG
Because AC = 3 in triangle ABC and FH = 3 in triangle FGH,
so, AC ≅ FH
To find the lengths of BC and GH , we can use distance formula.
Length of BC :
BC = √[(x₂ - x₁)² + (y₂ - y₁)²]
(x₁, y₁) = B(-7, 0) and (x₂, y₂) = C(-4, 5).
BC = √[(-4 + 7)² + (5 - 0)²]
= √[32 + 52]
= √[9 + 25]
= √34
Length of GH :
GH = √[(x₂ - x₁)² + (y₂ - y₁)²]
(x₁, y₁) = G(1, 2) and (x₂, y₂) = H(6, 5).
GH = √[(6 - 1)² + (5 - 2)²]
= √[52 + 32]
= √[25 + 9]
= √34
Conclusion :because BC = √34 and GH = √34,
=>BC ≅ GH
All the three sides of one triangle is congruent to the corresponding sides of other triangle.
By SSS congruence postulate,
ΔABC ≅ ΔFGH
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Find the distance between the two points rounding to the nearest tenth (if necessary).
(8,-3) and (4,6)
Answer:
9.8
Step-by-step explanation:
x1 = 8 x2 = 4 y1 = -3 y2 = 6
\(\sqrt{(x2 - x1)^{2}+(y2 - y1)^{2}\)
\(\sqrt{(4 - 8)^{2}+(6 - -3)^{2}\)
= 9.8488
= 9.8
The graph of a cube root function f is shown.
The graph of g is a vertical shrink by a factor of 1/2 of the graph of f. Graph the function g.
A graph of the cube root function g(x) = 1/2x³ is shown in the image below.
What is a dilation?In Geometry, a dilation is a type of transformation which typically transforms the dimension (size) or side lengths of a geometric object, without affecting its shape.
This ultimately implies that, the dimension (size) or side lengths of the dilated geometric object would be stretched or shrunk depending on the scale factor that is applied.
When the parent cube root function f(x) = x³ is vertically shrunk by a scale factor of 1/2, the transformed function g(x) is given by;
g(x) = kf(x)
g(x) = 1/2f(x)
g(x) = 1/2x³.
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Anyone know the answer is
Answer:
648π cm³
Step-by-step explanation:
Hi there!
The formula to find the volume of a cylinder is r²πh, where r is the radius, π is pi, and h is the height
first, let's find the area of the circle (r²π)
we are given that the radius is 9 cm
so we can square the 9, which is the same as multiplying it by itself
(9*9)=81π
Your answers leave everything in pi, so we can leave the area of the circle as is :)
now, multiply 81π by the height, which is given as 8 cm
81π*8=648π
therefore the answer is 648π cm³
Hope this helps!
7 1/2 pt = ______________ qt pleasesssss
photomath
Step-by-step explanation:
just use photomath
3.75 Quarts
Step-by-step explanation:
That is the exact answer I believe.
I checked many websites and they gave me the same answer
Explain how to solve a system of equations using the addition method. Use 3x - 4y=12 and 2x+y=8 to illustrate.
The solution to the equations 3x - 4y=12 and 2x+y=8 are x = 4 and y = 0
What is a linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
We have two equations:
3x - 4y=12 and
2x+y=8
Multiplu by 4 on both side in equation 2x+y=8
8x + 4y = 32
Add the equaton 8x + 4y = 32 and 3x - 4y=12
3x - 4y=12
8x + 4y = 32
11x = 44
x = 4
Similarly, we can find the value of y:
y = 0
Thus, the solution to the equations 3x - 4y=12 and 2x+y=8 are x = 4 and y = 0
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Can someone pls help me
Answer:
e
Step-by-step explanation:
If you divide 36 by 12, you get 3.
For this to work, whatever the white wax is, it needs to be 3 times as more as 5.
5x3=15
Answer:
i’ve done this before
Step-by-step explanation:
E and D
for every 12ml of red wax there’s 5 ml of white wax right? so you just multiply them at the same number to see if it matches.
12 x 5 = 60
5 x 5 = 25
12 x 3 = 36
5 x 3 = 15
stuck on this question
The population of Hamden was 350,000 in 1900
If the population of hamden was 350,000 in 1990. by 2000, the population had decreased to 329,000. The percent of decreased is 6%.
How to find the percent of decreased?To find the percent decrease, we first need to find the difference between the two populations:
Difference = 350,000 - 329,000
Difference = 21,000
Second step is to divide the difference by the original population and multiply by 100 to find the percentage:
Percent of decreased = (21,000 / 350,000) * 100
Percent of decreased = 6%
Therefore the population of Hamden decreased by 6% between 1990 and 2000.
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The complete question is:
the population of hamden was 350,000 in 1990. by 2000, the population had decreased to 329,000. what percent of decreased is this?
Choose the value that makes the statement true.
In the number 2.016, the value of the digit 1 is 1 (select)
(select)
and the value of the digit 6 is 6
Standard Form: 2,016
Place Value: From left to right for 2,016
Digit Place Value
2 Thousands
0 Hundreds
1 Tens
6 Ones
Word Form:
2,016 =
two thousand sixteen
Given f (x) = 2 (x-1)^2 + 3x -7, evaluate f (0) and f (-3)
Answer:
.....................
Answer:
\(f(x) =2 {(x - 1)}^{2} + 3x - 7 \\ f(0) = 2{(0 - 1)}^{2} + 3(0) - 7 \\ f(0) = 2 {( - 1)}^{2} + 0 - 7 \\ f(0) = 2(1)- 7 \\ f(0) = 2 - 7 \\ f(0) = - 5 \)
__o_o__
\(f(x) = 2 {(x - 1)}^{2} + 3x - 7 \\ f( - 3) = 2 {( - 3 - 1)}^{2} + 3( - 3) - 7 \\ f( - 3) = 2 {( - 4)}^{2} - 9 - 7 \\ f( - 3) = 2(16) - 16 \\ f( - 3) = 32 - 16 \\ f( - 3) = 16\)
I hope I helped you^_^
Devon took a total of 4pages of notes during 2 hours of class at this rate how many hours will devon have to spend in class before she will have a total of 14pages of notes in her notebook
Answer:
7
Step-by-step explanation:
please help with this
Answer:
y = 5.2, x = 6
Step-by-step explanation:
to find y:
opposite/adjacent = tan(60)
y/3 = tan(60)
y = tan(60) * 3
y = 5.2
to find x:
adjacent/ hypotenuse = cos(60)
3/x = cos(60)
x = 3/cos(60)
x = 6
Solve for x
3x-1=11
Answer: x = 4
Step-by-step explanation:
Given:
3x - 1 = 11
Add 1 to both sides of the equation:
3x = 12
Divide both sides of the equation by 3:
x = 4
Can you find out a harder question my child is so smart I can’t keep up with her
Answer:
what they currently going over?
99.00000000000 x 9/11
Step-by-step explanation:
=99*9/11
- -
_____
=891/11
=81
Is it true that m is perpendicular to line p? Please help worth 10 points
Line m is not perpendicular to line p because their slopes are not opposing reciprocals.
Parallel and perpendicular lines
For two lines to be parallel, they must have the same slope and for them to be perpendicular, the product of their slope must be equivalent to -1.
Determine the slope of line m and line p
For the line m, we can use the coordinates (0, 4) and (-3, 2)
Slope = 2-4/-3-0
Slope = -2/-3
Slope of line m = 2/3
For line p
Using the coordinate points (-3, 6) and (0,1)
Slope =1-6 /0+3
Slope = -5/3
Since their slopes are not opposite reciprocals, hence the line m is not perpendicular to line p.
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In the number 3.072 the digit 7 is in the ? place and the digit 2 is in the ? place.
Answer:
7= Hundredths
2=Thousandths
The required place of 7 and 2 in the given decimal value is the hundredth and thousandth.
Given that,
In the number 3.072 the digit 7 is in the place and the digit 2 is in the is to be determined.
Decimal value is defined as showing the place value of the digits in a decimal number. If any proportion of the digit is lower than 1 it would be represented after the dot right to the absolute value,
Here,
Given decimal value = 3.072
Where after the decimal point 0 is at tenth position, 7 is at hundredth position and 2 is at thousandth positions.
Thus, The required place of 7 and 2 in the given decimal value is the hundredth and thousandth.
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A study was conducted to investigate the effectiveness of hypnotism in reducing pain. Results for randomly selected subjects are given below. At the 1% level of significance, test the claim that the sensory measurements are lower after hypnotism (scores are in cm. on a pain scale). Assume sensory measurements are normally distributed. Note: You do not need to type these values into Minitab Express; the data file has been created for you.Before 6.6 6.5 9.0 10.3 11.3 8.1 6.3 11.6 After 6.8 2.4 7.4 8.5 8.1 6.1 3.4 2.0
Answer:
sensory measurement are lower after hypnotism
Step-by-step explanation:
Given the data :
Before 6.6 6.5 9.0 10.3 11.3 8.1 6.3 11.6
After 6.8 2.4 7.4 8.5 8.1 6.1 3.4 2.0
The difference ;
After - Before, d = 0.2, - 4.1, - 1.6, - 1.8, - 3.2, - 2, - 2.9, - 9.6
Hypothesis :
H0 : μd = 0
H0 : μ < 0
The test statistic ;
T = μd / sd/√n
Where, xd = mean of difference
sd = standard deviation of difference
n = sample size
Mean of difference, μd = Σx/n = - 3.13
Standard deviation of difference, sd = 2.91
T = - 3.13 / 2.91/√8
T = - 3.13 / 1.0288403
T = - 3.042
α = 0.01
The Pvalue using a Pvalue calculator ;
Degree of freedom, df = n - 1 ; 8-1 = 7
Pvalue(-3.042, 7) = 0.00939
Pvalue < α ; we reject the null and conclude that sensory measurement are lower after hypnotism
36 over 9 = g over 1
Answer:
4/1
Step-by-step explanation:
g is 4
Combine like terms to simplify the expression: 8y + 4 - 3y + 12?
Answer: image below
Step-by-step explanation:
What is the perimeter of the triangle?
units
Answer:
Perimeter = 30
Step-by-step explanation:
hypotenuse = \(\sqrt{5^2+12^2}\)
hypotenuse = \(\sqrt{25+144}\)
hypotenuse = \(\sqrt{169}\)
hypotenuse = 13
Perimeter = 5+12+13
Perimeter = 30
Given: Quadrilateral DEFG is inscribed in circle P.
Prove: m∠D+m∠F=180∘
The sum of angles ∠D and ∠F in quadrilateral DEFG, inscribed in circle P, is equal to 180∘.
To prove that m∠D + m∠F = 180∘, we can use the property of angles inscribed in a circle.
In a circle, an inscribed angle is equal to half the measure of its intercepted arc. Therefore, if we can show that arc DE + arc FG = 360∘, we can conclude that m∠D + m∠F = 180∘.
Let's start the proof:
1. Quadrilateral DEFG is inscribed in circle P. This means that all the vertices of the quadrilateral lie on the circumference of the circle.
2. Let's consider arc DE and arc FG. These arcs are intercepted by angles ∠D and ∠F, respectively.
3. By the property of angles inscribed in a circle, we know that the measure of an inscribed angle is equal to half the measure of its intercepted arc.
4. Therefore, m∠D = 1/2(arc DE) and m∠F = 1/2(arc FG).
5. We want to prove that m∠D + m∠F = 180∘. This is equivalent to showing that 1/2(arc DE) + 1/2(arc FG) = 180∘.
6. Combining the fractions, we have 1/2(arc DE + arc FG) = 180∘.
7. Now, we need to show that arc DE + arc FG = 360∘.
8. Since quadrilateral DEFG is inscribed in circle P, the sum of the measures of all the arcs intercepted by the sides of the quadrilateral is equal to 360∘.
9. This means that arc DE + arc EF + arc FG + arc GD = 360∘.
10. However, we can observe that arc EF and arc GD are opposite sides of the same chord, so they have equal measures. Therefore, arc EF = arc GD.
11. Substituting arc GD with arc EF in the equation from step 9, we have arc DE + arc EF + arc FG + arc EF = 360∘.
12. Simplifying the equation, we get 2(arc DE + arc EF + arc FG) = 360∘.
13. Dividing both sides by 2, we have arc DE + arc EF + arc FG = 180∘.
14. Comparing this result with step 7, we can conclude that arc DE + arc FG = 180∘.
15. Finally, going back to our initial goal, we can now substitute arc DE + arc FG with 180∘ in the equation from step 6: 1/2(180∘) = 180∘.
16. Simplifying, we have 90∘ = 180∘, which is a true statement.
17. Therefore, we have proven that m∠D + m∠F = 180∘.
Thus, we have successfully proved that the sum of angles ∠D and ∠F in quadrilateral DEFG, inscribed in circle P, is equal to 180∘.
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Ron placed a grilled cheese sandwich, a sneaker, a pinecone, and a dog collar together on a scale. The sandwich weighs 0. 462 lb, the sneaker weighs 290. 87 g, the pinecone weighs 0. 0000453 ton, and the dog collar weighs 0. 246 kg. There are 2. 20462 pounds in one kilogram. How many ounces do all of these objects weigh in total?.
Answer: 18.55
Step-by-step explanation:
5x-y=1/4 write in slope-intercept form
The slope intercept form of the given equation is,
y = 5x - 1/4
Given an equation of a line as,
5x - y = 1/4
We have to write the equation of the line in slope intercept form.
Equation of the line in slope intercept form is,
y = mx + c
Here m is the slope and c is the y intercept.
Rearranging the given equation,
5x = y + 1/4
5x - 1/4 = y
or,
y = 5x - 1/4
Hence the slope intercept form is y = 5x - 1/4.
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If a graph of y=-9x+ 3 were changed to a graph of y=-9x + 1, how would the
y-intercept change?
Answer:
y-intercept decreased by 3-1= 2 points
Step-by-step explanation:
y=-9x+ 3 ⇒ y-intercept= 3
y=-9x + 1 ⇒ y-intercept= 1
y-intercept decreased by 3-1= 2 points = the line shifted down by 2 points
Answer:
Hello!
Answer: y-intercept decreased by 2 points because 3-1=2
I hope I was of help. If not, please let me know! Thanks!
Step-by-step explanation:
help me answer this please
Answer:
3,952 ft
Step-by-step explanation:
Use the sine function since you need to find the hypotenuse but know the opposite side of the angle, since sine is equal to opposite/hypotenuse.
sin8°=\(\frac{550}{c}\)
csin8°=550
c=550/sin8°
c= 3,952