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GREYUIT [131]
3 years ago
10

PLZ HELP ME (PICTURE OF PROBLEM)

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0

AB = 7 1/2

BC = 2 1/4

DE = 1 1/4

AB = GH + EF + CD

AH + FG = DE + BC

The perimeter is AB + BC + CD + DE + EF + FG + GH + HA.

AB + BC + CD + DE + EF + FG + GH + HA =

= AB + BC + DE + AB + DE + BC =

= 2AB +2BC +2DE =

= 2 · 7 1/2 + 2 · 2 1/4 + 2 · 1 1/4 =

= 15 + 4 2/4 + 2 2/4 =

= 15 + 4 1/2 + 2 1/2 =

= 19 1/2 + 2 1/2 =

= 22 [m]

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lianna [129]

Step-by-step explanation:

Just pick a bunch of values of x, and use the formula to find the corresponding value of y.

For example

When x = 0, y = 0+5 = 5 ----> Plot the point (0,5) on graph paper

When x = 1, y = 1+5 = 6 ----> Plot the point (1,6) on graph paper

When x = 2, y = 2+5 = 7 ----> Plot the point (2,7) on graph paper

Then connect the dots to get a linear graph. You should get a graph that looks  like the one attached.

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1. Mr. Hurst's house increased in value to $185,400 one year after he bought
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Answer:

B.

Step-by-step explanation:

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vlada-n [284]
The answer is 10 because its in the tens place
4 0
3 years ago
A theater has a seating capacity of 750 and charges $3 for children, s5 for students, and $7 for adults. At a certain screening
-BARSIC- [3]

Answer:

Between 150 and 450

Step-by-step explanation:

We are going to find the number by resolving  a system of linear equations.

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C+S+A=750

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3C+5S+7A=3450

This equation represents the totaled receipts.

The system :

C+S+A=750\\3C+5S+7A=3450

has the following associated matrix :

\left[\begin{array}{cccc}1&1&1&750\\3&5&7&3450\end{array}\right]

By performing elementary matrix operations we find that the matrix is equivalent to

\left[\begin{array}{cccc}1&0&-1&150\\0&1&2&600\\\end{array}\right]

The new system :

C-A=150\\S+2A=600

Working with the equations :

C = 150 + A\\S = 600-2A

Our solution vector is :

\left[\begin{array}{c}C&S&A\end{array}\right] =\left[\begin{array}{c}150+A&600-2A&A\end{array}\right]

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If 0 adults attended ⇒ A = 0

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This verify the totaled receipts equation :

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S = 600 -2A

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600 - 2A ≥ 0

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Answer:

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Formula

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e) This choice is incorrect, the sides are not added.

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