Answer:
-4
Step-by-step explanation:
\(-3*2 + 2=-4\)
Convert 88 °F to Celsius Round your answer to the nearest tenth. °C
Answer:
Step-by-step explanationfor changing °F to °Cuse the formula
°C=(F-32)5/9
=(88-32)5/9
=56×5/9
=280/9
=31.11
So the value of nearest tenth is 31°c
I dont get this question equation
y=0.5 (6) - 4
I know that 0.5 is equivalent to 1/2 but I just don’t get this question
Answer
\(\pink\sf{y=-1}\)
Step-by-step explanation
I'm assuming that this exercise is asking us to simplify the equation \(\sf{y=0.5(6)-4}\).
We know that 0.5 (6) means 0.5 multiplied by 6. That is the same as 6 divided by 2, which is 3:
\(\sf{y=3-4}\)
And now we just simplify the last part:
\(\sf{y=-1}\)
∴ answer: y = -1
one card is drawn from a pack of 52cards each of the 52 cards being equally likely to be drawn. what is the probability that the card drawn is a king?
The probability of drawing a king from a standard deck of 52 cards is 1/13.
In a standard deck of 52 playing cards, there are four kings: the king of hearts, the king of diamonds, the king of clubs, and the king of spades.
To find the probability of drawing a king, we need to determine the ratio of favorable outcomes (drawing a king) to the total number of possible outcomes (drawing any card from the deck).
The total number of possible outcomes is 52 because there are 52 cards in the deck.
The favorable outcomes, in this case, are the four kings.
Therefore, the probability of drawing a king is given by:
Probability = (Number of favorable outcomes) / (Number of possible outcomes)
= 4 / 52
= 1 / 13
Thus, the probability of drawing a king from a standard deck of 52 cards is 1/13.
This means that out of every 13 cards drawn, on average, one of them will be a king.
It is important to note that the probability of drawing a king remains the same regardless of any previous cards that have been drawn or any other factors.
Each draw is independent, and the probability of drawing a king is constant.
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Grace earned £22,000 last year.
She worked for 35 hours a week for 48 weeks.
Calculate her pay per hour.
Give your answer to 2 decimal places.
Answer:
13.09 pounds, 13,10 pounds if you have to round, which is not clear (result is 13.095).
HELP SNOG OR WHOEVER (x+3)(y-19)
Answer:
xy-19x+3y-57
Step-by-step explanation:
Once again, FOIL is the way to go!
First, Outside, Inside, Last
xy-19x+3y-57
Answer:
xy-19x+3y-57
Step-by-step explanation:
(x+3)(y-19)
FOIL
first: xy
outer: -19x
inner 3y
last -57
Add them together
xy-19x+3y-57
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qhubuag qjjbbaqbjbqhuqguqbqbqyqbyqbyqb math help
Luis and Victor were both trying to solve the equation 5x = 20. Luis multiplied both sides of the equation by the reciprocal of 5. Victor divided both sides of the equation by 5. Who solved the equation correctly?
A.
Only Luis
B.
Only Victor
C.
Both Luis and Victor
D.
Neither Luis or Victor
Answer: B
Step-by-step explanation:
20 divided by 5 =4 and 5x4=20
which are the partial products of 3,706×4?
The partial products of 3706 × 4 is ( 3000 × 4 ) + ( 706 × 4 ).
Calculating the product of two or more numbers is the procedure known as multiplication in mathematics. When two integers are multiplied together in mathematics, the result is a product or an expression that describes the factors to be multiplied.
The decimal numeral system is widely used to express both integer and non-integer numbers. The way of representing numbers in the decimal system is known as decimal notation.
The given product is 3706 × 4 and can be written as:-
3706 × 4 = [ 3000 + 706 ] × 4
3706 × 4 = ( 3000 × 4 ) + ( 706 × 4 )
Therefore, the partial products of the given expression is ( 3000 x 4 ) + ( 706 x 4 ).
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The question is in the picture.
Easy way to do this, divide 24 with 3, you will get 8. That means 8 is 1/3 of 24. To get 2/3 you just add 8+8 which equals to 16
find the variance of 4 9 12 15 6 5
Answer:
18.7
Step-by-step explanation:
fhfhdhsuxudjdejdhdjdjx
In 2016, 595,700 Americans died of (all forms of) cancer.
Assuming a population of 321 million, what was the mortality
rate in units of deaths per 100,000 people?
The mortality rate will be 180 per 100000 people.
How to calculate the value?From the information, 595,700 Americans died of (all forms of) cancer and there is a population of 321 million.
Therefore the mortality rate will be:
= 595700 / 321 million
= 0.0018
Therefore the mortality rate will be 180 per 100000 people.
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list three collinear points
Answer:
see below
Step-by-step explanation:
collinear points are the points that are on the same line so any 3 points on the same line is the answer
The figure shows three tennis balls in a can with each tennis ball having a diameter of 2.5 inches. What is the total volume of the air space around the three tennis balls?
The total volume of the air space of spherical ball is A = 12.265625 inches³
Given data ,
Since each tennis ball has a diameter of 2.5 inches, the radius of each ball is 1.25 inches.
The air space around the balls can be thought of as a cylinder with a height equal to the diameter of one ball and a radius equal to the radius of one ball.
The height of the cylinder is 2.5 inches, and the radius is 1.25 inches.
The formula for the volume of a cylinder is:
V = πr²h
V = ( 3.14 ) ( 1.25 )² ( 7.5 )
V = 36.796875 inches³
where V is the volume, r is the radius, and h is the height.
So, the volume of the one ball is:
V₁ = ( 4/3 )π(1.25)³
V₁ = 8.177083 inches³
The total volume of three balls is = volume of 3 spherical balls
V₂ = 3V₁ = 3(8.177083) ≈ 24.53125 cubic inches
Therefore, the total volume of the air space around the three tennis balls is approximately A = 36.796875 inches³ - 24.53125 inches³
A = 12.265625 inches³
Hence , the volume of air space is A = 12.265625 inches³
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The tallest living man height was 247cm. The shortest living man was 122.8cm. Heights of men had a mean of 175.97cm and a standard deviation of 7.46cm. Which of these men had the height that was more extreme? Since the z score for the tallest man is z= ? And the z score for the shortest man is z=? Who had the most extreme height?
Answer:
Step-by-step explanation:
To determine which man had the more extreme height, we can calculate the z-scores for both individuals and compare their values. The z-score indicates how many standard deviations a particular value is from the mean.
For the tallest man with a height of 247 cm, we can calculate the z-score using the formula:
z = (x - μ) / σ
where x is the value (247 cm), μ is the mean (175.97 cm), and σ is the standard deviation (7.46 cm).
z = (247 - 175.97) / 7.46 ≈ 9.50
For the shortest man with a height of 122.8 cm, we can calculate the z-score using the same formula:
z = (x - μ) / σz = (122.8 - 175.97) / 7.46 ≈ -7.14
The z-score for the tallest man is approximately 9.50, and the z-score for the shortest man is approximately -7.14.
Since the z-score measures how many standard deviations a value is from the mean, the man with the z-score of 9.50 (the tallest man) has the more extreme height. A higher z-score indicates a more extreme deviation from the mean.
Write a three digit number that gives same answer when rounded to the nearest ten and to the nearest hundred .explain
Answer:
Numbers can be rounded to the nearest ten, the nearest hundred, the nearest thousand, the nearest million, and so on. All the numbers to the right of the place you are rounding to become zeros. Rounded numbers are easier to remember and easier to use.
Write the phrase as an algebraic expression: The product of a number m and three.
Answer:
3m
Step-by-step explanation:
Product means multiplication, so you're multiplying 3 with m.
this is my warmup can you please help me out with it
Answer:,
the answer is (4,2)
Step-by-step explanation:
is you look at the 2 equations and plug in the points where the lines intercets you would get the answer soo examples
4+2=6
the first one checks out
the second one
4+(2*2)=8
so the parinthises go first 2 times 2 = 4 plus 4 = 8
help will mark Brainliest
Answer:
Your answer is B.
Step-by-step explanation:
n>0 means n is greater than 0.
It is an open circle that is pointing to the right for positive values greater than 0.
Answer:Try B.
Step-by-step explanation:
Twelve more than six times a number is 14 A. 12x + 6 = 14B. 6x - 12 = 14C. 12x - 6 = 14 D. 6x + 12 = 14E. 6(x + 12) = 14
Let's rewrite the word expression: Twelve more than six times is 14
Let x represent the unknown number.
We have:
Six times x = 6x
Twelve more than six times x = 6x + 12
Twelve more than six times x is 14: 6x + 12 = 14
ANSWER:
D. 6x + 12 = 14
Find the slope of the lined graph
The slope of the lined graph is 5 / 3
How to determine the slope
The formula for determining the slope of a line is expressed as;
Slope = y2 - y1/ x2 - x1
From the graph shown;
y1 = -1y2 = 4x2 = 3x1 = 0Now, let's substitute the values
Slope, m = 4 - (-1) / 3 - 0
Find the differences
Slope, m = 4 + 1/ 3
Slope, m = 5 / 3
Thus, the slope of the lined graph is 5 / 3
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In 1990 the average family income was about $ 39 , 000 , and in 2010 it was about $ 70 , 768 . Let x = 0 represent 1990, x = 1 represent 1991, and so on. Find values for a and b so that f ( x ) = a x + b models the data A= _____. B=______. What was the average family income in 2005?
Answer:
\(f(x) = 1588.4x + 39000\)
\(f(15) = 62826\)
Step-by-step explanation:
Given
In 1990; Income= $39000
In 2010; Income= $70768
Solving (a): An equation in form of f(x) = ax + b
First, we need to determine the slope, a
\(a = \frac{y_2 - y_1}{x_2 - x_1}\)
Taking y as income and x as year index.
When x = 0; y = 39000
When x = 20; y = 70768
Substitute these values in the above formula
\(a = \frac{70768 - 39000}{20 - 0}\)
\(a = \frac{31768}{20}\)
\(a = 1588.4\)
Next, is to determine the formula using:
\(y - y_1 = a(x - x_1)\)
Considering :When x = 0; y = 39000, we have
\(y - 39000 = 1588.4(x - 0)\)
\(y - 39000 = 1588.4x\)
Make y the subject of formula
\(y = 1588.4x + 39000\)
Express y as a function of x
\(f(x) = 1588.4x + 39000\)
Solving (b): Income in 2005
In 2005, x = 15
So:
\(f(x) = 1588.4x + 39000\) becomes
\(f(15) = 1588.4 * 15 + 39000\)
\(f(15) = 62826\)
Please help me with this question!!!!,
\( \qquad \qquad \bf \huge\star \: \: \large{ \underline{Answer} } \huge \: \: \star\)
The contrapositive of the statement is False.
Because we already know, Cube is a 3 - dimensional shape with 6 faces, all its sides are equal and all faces are congruent.
But the contrapositive of the statement is not true, because not only cube has six faces.
There are other 3 - D shapes that have 6 faces.
\( \qquad \large \sf {Conclusion} : \)
The contrapositive of the statement is false.
The ratio of boys to girls in a classroom is 7 to 11. If there are a total of 49 boys in the classroom, then how many boys and girls are there all together?
Answer: 65
Step 1: Multiply and add until you get 49.
11 x 4 = 44.
44 + 5 = 49.
Step 2: Multiply and add until you get 26, because 7:11 to 49 boys is 26, 26 : 49.
7 x 3 = 21.
21 + 5 = 26.
Step 3: Add 26 and 49.
26 + 49 = 65
Answer:
126 students
Step-by-step explanation:
Boys : Girls
7 : 11
How do you get from 7 to 49?
49 ÷ 7 = 7
Therefore, you should multiply the number of boys by 7.
Multiply:
7 : 11
7 × 7 = 49
49 : 11
Remember that whatever we do to the left, do to the right.
Multiply:
49 : 11
11 × 7 = 77
49 : 77
Now, let's add the number of boys and girls in the class to find the total number of students.
Add:
49 + 77 = 126
Therefore, there are 126 students in all.
ms. simonaue and Mrs. law are racing in the big race. Their distance in meters and their time is measured in seconds. Ms. Simonaue ride is described in the equation.
\(y = \frac{3}{2} x + 4\)
what is the description to match the equation. what is her rate? did she get a head start?
Answer:
She started 4 meters ahead and moves forward 1.5 meters every second.
The rate is 1 and 1/2 meters per second and she did get a head start of 4 meters
If the store currently charges a price of $50, then increases that price to $60, what happens to total revenue from shoe sales (calculate P X Q before and after the price change)
Answer:
Revenue will decreaseStep-by-step explanation:
Note: the question did not provide the quantity to work with, so we will assume some values, say quantity Q= 30
Generally, it is normal for the revenue to decrease when the price of a commodity increase, this is so that buyer will have to react to adjust to the change in price.
When price increase from $50 to $60, the total revenue will decrease
let say the quantity Q1=30 , and the new quantity after price increase is Q2=20
1. The revenue PxQ before price change will be
PxQ= P1xQ1=50*30
PxQ= $1500
1. The revenue PxQ after price change will be
PxQ=P2xQ2= 60*20
P2xQ2= $1200
This clearly shows that based on the assumed data, the total revenue will drop from1500 to 1200, a total of $300 in a decrease
help please like right noww
Answer:
18
Step-by-step explanation:
half of 36 is 18
Answer:
18
Step-by-step explanation:
18 because the line on EO is half of 36
A company has a 20-person grievance committee. When a grievance is filed, three of these 20 people are chosen at random to serve on a hearing panel. Suppose that two committees are formed. What is the probability that these committees have at least one member in common?
Answer:
the probability that the two committees have at least one member in common is approximately 0.3622.
Step-by-step explanation:
To find the probability that two committees have at least one member in common, we can use the complement rule, which states that the probability of an event happening is 1 minus the probability of the event not happening.
Let A be the event that the two committees have no members in common. To calculate the probability of A, we can first find the number of ways to choose three people out of 20 without any overlap, and then use this to find the total number of ways to choose two committees of three people each without any overlap:
Number of ways to choose 3 people out of 20 without overlap:
C(20,3) = (201918)/(321) = 1140
Number of ways to choose 3 people out of 20 with overlap:
C(20,3) - C(2,1)C(17,2) = 1140 - 2(2*136) = 680
The first term is the total number of ways to choose 3 people out of 20, and the second term is the number of ways to choose 3 people out of 20 such that one particular person is included. We multiply by 2 because there are two committees.
The total number of ways to choose two committees of three people each without any overlap is:
C(20,3) * C(17,3) = (1140*680) = 775200
Therefore, the probability that the two committees have no members in common is:
P(A) = 775200 / (C(20,3)*C(17,3)) = 0.6378
So the probability that the two committees have at least one member in common is:
P(at least one member in common) = 1 - P(A) = 1 - 0.6378 = 0.3622
Therefore, the probability that the two committees have at least one member in common is approximately 0.3622.
If the quotient of a number and 8 is added to 1/4 the result is 7/8. Find the number.
Answer:
5
Step-by-step explanation:
Let n be the unknown number.
The quotient is the result obtained by dividing one number by another.
Therefore, the quotient of a number and 8 is ⁿ/₈.
If the quotient of a number and 8 is added to 1/4 the result is 7/8:
\(\implies \dfrac{n}{8}+\dfrac{1}{4}=\dfrac{7}{8}\)
To solve, make the denominators of all the fractions the same:
\(\implies \dfrac{n}{8}+\dfrac{1 \cdot 2}{4 \cdot 2}=\dfrac{7}{8}\)
\(\implies \dfrac{n}{8}+\dfrac{2}{8}=\dfrac{7}{8}\)
\(\textsf{Apply the fraction rule} \quad \dfrac{a}{c}+\dfrac{b}{c}=\dfrac{a+b}{c}:\)
\(\implies \dfrac{n+2}{8}=\dfrac{7}{8}\)
Multiply both sides by 8:
\(\implies \dfrac{8(n+2)}{8}=\dfrac{7 \cdot 8}{8}\)
\(\implies n+2=7\)
Subtract 2 from both sides:
\(\implies n+2-2=7-2\)
\(\implies n=5\)
Therefore, the number is 5.
8. Given AABC~AEDC
What is the value of x?
C. 30
D. 20
A. 15
B. 12
A
E
60
X
C
D
10
40
B
Answer:
790
Step-by-step explanation:
7098uuilu4645
I need help plz, i will give brainliest for the correct answer
Answer:
f'(1) exists: f'(1) = -2f'(0) DNEStep-by-step explanation:
a)The function is continuous for x > 0 . The derivative is defined on that interval and is equal to ...
f'(x) = -2x . . . . . for x > 0
Then at x = 1, the derivative is ...
f'(1) = -2(1)
f'(1) = -2
__
b)The function has a jump discontinuity at x=0, so the derivative does not exist at that point. A condition for the existence of the derivative is that the function is continuous at the point of interest.