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3 years ago

What will be the area of the cover

Mathematics

1 answer:

uysha [10]3 years ago

3 0

Forgot a pic but ill take the points lol

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Help please 10 minutes!!!!!!!!!

WITCHER [35]

Substitute y = 2x - 15 to the second equation:

4x + 3(2x - 15) = -5 use distributive property

4x + (3)(2x) + (3)(-15) = -5

4x + 6x - 45 = -5 add 45 to both sides

10x = 40 divide both sides by 10

x = 4

Substitute the value of x to the equation y = 2x - 15:

y = 2(4) - 15 = 8 - 15 = -7

<h3>Answer: (4, -7)</h3>

8 0

3 years ago

Tina's user ID is a 5-digit number.

Olin [163]

Answer:

98547

Step-by-step explanation:

6 0

2 years ago

19x+rx=−37x+w solve for x

Oksanka [162]

Get all the x terms on one side, and the w on the other.
Add 37x on both sides to get 56x+rx=w.
Use the distributive property backwards to get x(56+r)=w.
Divide by 56+r on both sides to get x=w/(56+r)

4 0

3 years ago

What is 9:09 minus 8:22

Anton [14]

I assume you're talking about time. 9:09 is 47 minutes after 8:22.

4 0

3 years ago

Select the correct answer from each drop-down menu.

podryga [215]

Answer with explanation:

$\text{Average}=\frac{\text{Sum of all the observation}}{\text{Total number of Observation}}$

Average Height of tallest Building in San Francisco

$=\frac{260+237+212+197+184+183+183+175+174+173}{10}\\\\=\frac{1978}{10}\\\\=197.8$

Average Height of tallest Building in Los Angeles

$=\frac{310+262+229+228+224+221+220+219+213+213}{10}\\\\=\frac{2339}{10}\\\\=233.9$

→→Difference between Height of tallest Building in Los Angeles and Height of tallest Building in San Francisco

=233.9-197.8

=36.1

⇒The average height of the 10 tallest buildings in Los Angeles is 36.1 more than the average height of the tallest buildings in San Francisco.

⇒Part B

Mean absolute deviation for the 10 tallest buildings in San Francisco

|260-197.8|=62.2

|237-197.8|=39.2

|212-197.8|=14.2

|197 -197.8|= 0.8

|184 -197.8|=13.8

|183-197.8|=14.8

|183-197.8|= 14.8

|175-197.8|=22.8

|174-197.8|=23.8

|173 -197.8|=24.8

Average of these numbers

$=\frac{62.2+39.2+14.2+0.8+13.8+14.8+14.8+22.8+23.8+24.8}{10}\\\\=\frac{231.2}{10}\\\\=23.12$

Mean absolute deviation=23.12

5 0

3 years ago