2 years ago

Pleaseeeeeeee friends

Mathematics

1 answer:

IgorC [24]2 years ago

3 0

B(x)=x2+3
I believe so

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3x-2x+8=12; x=4 <br>Determine if the value of x is a solution to the equation<br>

VARVARA [1.3K]

Step-by-step explanation:

3x - 2x + 8 = 12; x=4

Now, Evaluate the value of x

3(4) - 2(4) + 8 = 12

12 - 8 + 8 = 12

12 + 0 = 12

12 = 12

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2 years ago

A wall is 20 inches thick. 6 inches is concrete, 9 inches is brick, and 5 inches is limestone. What fraction of the wall is c

Citrus2011 [14]

Answer:

30%

Step-by-step explanation:

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2 years ago

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UNO [17]

Approximately 11 blocks

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2 years ago

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a trapezoid with base measure of 23 km and 29km an area of 390km . find the height of the trapezoid.

cupoosta [38]

Hello!

To find the area of a trapezoid you use the equation

$A = \frac{a+b}{2} h$

Put in the values you know

$390 = \frac{23+29}{2} h$

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$390 = \frac{52}{2} h$

Divide

$390 = 26 * h$

Divide both sides by 26

15 = h

The answer is 15km

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3 years ago

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If 30% of 5 is 15 whats the number

Gala2k [10]

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