3 years ago

NEED HELP ASAP!!! please!!

1 answer:

7 0

It’s not because if you draw a horizontal line it will pass through two points, if you draw a horizontal line and it only passes through one point then it’s a one to one function

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the stemplot displays the arm spans, in centimeters for 44 students. What percentage has an arm span of at least 170 cm?

kozerog [31]

Answer: B) 45%

<u>Step-by-step explanation:</u>

There are 20 measurements that are 170 cm or greater.

There are a total of 44 measurements.

$\dfrac{20}{44}=\large\boxed{45\%}$

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3 years ago

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A girl age is 28 years younger than her father the sum of their ages is 50 years find the ages of the girl and the father

faltersainse [42]

Girl age is 11 years old
Fathers age is 39 years old

How to solve it:

Let the girls age be x years
Let the fathers age be (x+28) years

X+X+28=50

2x=50-28
2x=22
X=11

(11+28)= 39

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3 years ago

What is the area of the shaded region?

bazaltina [42]

A = 1/2(12)(5) - 1/2(4)(3)
A = 30 - 6
A = 24

answer
24 mm^2

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3 years ago

Explain how can you determine if a solid has reflectional<br> symmetry.

Pani-rosa [81]

Answer: When a solid can be mapped onto itself by a reflection in a plane, it has reflectional symmetry.

Step-by-step explanation:

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