MATHEMATICS HIGH SCHOOL

The dot plot below shows the hourly rate of some babysitters:A number line is shown from 1 dollar to 7 dollars in increments of 1 dollar for each tick mark. The horizontal axis label is Dollars per Hour. There are 2 dots above 4 dollars, 3 dots above 5 dollars, 3 dots above 6 dollars, and 2 dots above 7 dollars. The title of the line plot is Babysitting Rates.

Based on the data shown, how many babysitters surveyed earned $5 or $6 per hour?

2
3
5
6

Answers

Answer 1

Answer: 6 just add the 3 dots for both 5&6.......hope this help

Answer 2

Answer:

Answer:

The answer is (6)

Step-by-step explanation:

All you do is add the dots for 5 and 6 together and them together gives you the answer.

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A population decreases from 14,500 to 12,035. What is the percentage change?

In the figure, mAB = 45° and mCD = 23°. The diagram is not drawn to scale.What is the value of x?
A. 34°
B. 56.5°
C. 22°
D. 68°

Answers

Answer:

Option A. $x=34\°$

Step-by-step explanation:

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

$x=(1)/(2)(arc\ CD+arc\ AB)$

substitute the values

$x=(1)/(2)(23\°+45\°)$

$x=34\°$

The body of a person who weighs 50 kilograms contains around 2 × 10^2 grams of sodium chloride. How much sodium chloride is contained in the bodies of 1.8 × 10^3 people who each weigh 50 kilograms? Represent the answer in scientific notation.

Answers

we can solve this problem by the rule of three.
1 person------------------2*10² g of sodium chloride.
1.8*10³ people---------- x

x=(1.8*10³ people * 2*10² gr of sodium chloride) / 1 person=3.6*10⁵ g of sodium chloride.

answer: 3.6*10⁵ g of sodium chloride.

Answer:

Answer: 3.6*10⁵ g of sodium chloride.

Step-by-step explanation:

I took a Edmentum/plato test

PLEASE HELP! 80 POINTS AND BRAINLIEST TO FIRST ANSWER! A rectangular pen is constructed with 300m of fencing against a barn wall. What dimensions give the maximum area?

Answers

I want to say a 100m on each side.

since it’s against a barn wall, then there would be three sides left. But I could be wrong. ¯\_(ツ)_/¯

When 12 is added to a number the result is 32 less than 3 times the number.What is the number?

Answers

Let the number = x

12 + x = 3x - 32

x = 3x - 44 Subtract 12 from both sides

-2x = -44 Subtract 3x from both sides

x = 22 Divide by -2

x=22
Because 12 +22=34 then use the amth to do minus 32 less than 3 times tghe number

2^1-x=3^2x-3 solve for X

Answers

Hello,

if the exact equation is

$2^(1-x)=3^(2x-3)$

==>(1-x)ln 2=(2x-3) ln 3

==>2x ln 3+x ln 2=ln 2 +3 ln 3

==>x=ln (2*3^3) / ln (2*3²)

==> x= ln(54)/ ln (18)

==>x ≈1,3800937....

if the equation is 2^1 -x =3^2 *x -3 then

2-x=9x-3
==>10x=5
==>x=1/2

What is the exact volume of the cylinder? height 9 in. width 6 in.

Answers

your answer is 1017.88 because you have to do this formula

V= $V= \pi R^(2) h$

Volume equals pi times r squared times height So it would be 81pi in cubed

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