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AlexFokin [52]
3 years ago
15

How do I do this? (Number 8)

Mathematics
2 answers:
JulsSmile [24]3 years ago
4 0
He's not correct. The area of the figure is 89 sq. ft.

6*8 = 48
7*7 = 49

48 + 49 = 97

but those two rectangle are shared with the little rectangle with 2 by 4
so this area = 2 * 4 = 8

97 - 8 = 89

 <span />
den301095 [7]3 years ago
3 0
You multiply 2 numbers at a time then add all
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First person answers this gets 25 points its khan academy algebra 1
mr Goodwill [35]

a-7=3(b+2)

1. Simplify/Combine like terms

a-7=3b+6

2. Remove a variable

a-7-a=3b+6-a

7=2b+6

3. Isolate the variable

7-6=2b-6

1=2b

4. Divide

1/2=2b/2

b=1/2

1/2g?

8 0
2 years ago
What is x given ABC~DBE.<br> Show your work
alexandr1967 [171]

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E

AC = 50, DE = 30, EC = 25, BE = x, BC = 25 + x

To find the value of x:

Property of similar triangles:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{BE}{BC} =\frac{DE}{AC}

$\frac{x}{25+x} =\frac{30}{50}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

5 0
3 years ago
-3(5n-8)=-8(n-3)<br><br> Please Hurry
BartSMP [9]

Answer:

- 3(5n - 8) =  - 8(n - 3)

- 15n + 24 =  -8 n + 24

- 15n + 8n = 24 - 24

- 7n = 0

n =  \frac{0}{ - 7}

n = 0

6 0
2 years ago
I need help with math please
ASHA 777 [7]

Answer:

greater than cb and less than ab ig

7 0
3 years ago
A 24ft flagpole has a shadow of 9ft. A soldier standing next to the flagpole has a shadow of 2.25 feet. How tall is the soldier?
natima [27]

Answer:

6 feet

Step-by-step explanation:

Let's form a proportion;

24                    x

____    =      _____ ,

 9                   2.25

24(2.25) = 9x,

54 = 9x,

x = height of soldier = 6 feet

4 0
3 years ago
Read 2 more answers
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