3 years ago

Plz help me out with this ;)

Mathematics

1 answer:

garri49 [273]3 years ago

6 0

I have the same problem with you

You might be interested in

Can someone help me I give you 10 points

natka813 [3]

Answer:

A:40%

B:7.8

Step-by-step explanation:

Using a proportion , you can solve for the bottom side.

13/19.5 = 5.2/x

multiply 19.5 and 5.2 and rewrite the equation

101.4=13x

x=7.8

To find the scale, divide 5.2 by 13

5.2/13=0.4

Double check by dividing 7.8 by 19.5

7.8/19.5=0.4

0.4=40%

7 0

3 years ago

A park is shaped like a trapezoid. It has an area of 7.2 square miles. One base is 1.2 miles, and the other base is 2.4 miles lo

WINSTONCH [101]

7.2÷(1.2+2.4)=2
2÷.5=4
So the height equals 4

6 0

3 years ago

A. Find the value of a. b. Find the value of the marked angles.

lina2011 [118]

$(6a + 10) = (3a + 55) \\ 6a - 3a = 55 - 10 \\ 3a = 45 \\ a = \frac{45}{3} \\ = 15 \\$

4 0

3 years ago

Read 2 more answers

Translate the sentence into an inequality.

Kruka [31]

2b + 21 < 22

b is the unknown number so multiply it by 2 to get 2b then add 21, bring the less than sign and write the 22 after the less than sign

6 0

3 years ago

Select the best answer Wood floors are being refinished in an office. If the room is a square with 15 foot 6 inch sides, what wi

malfutka [58]

Answer:

$\$1,436.70$

Step-by-step explanation:

we know that

$1\ ft=12\ in$

step 1

Convert 15 foot 6 inch to feet

$15\ ft\ 6\ in=15+(6/12)=15.5\ ft$

step 2

Find the area of the room

The area of the square room is

$A=15.5^{2}=240.25\ ft^{2}$

step 3

Find the cost

$5.98*(240.25)=\$1,436.70$

8 0

4 years ago