3 years ago

Only answer if u know the answer

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

8 0

Answer:

Angle C = 142 degrees

Step-by-step explanation:

A+B = 90

B+C = 180

Rearrange first equation to get B = 90-A

Plug this into the second equation:

90-A + C = 180

C = A + 90

Plug in A, C = 52 + 90 = 142

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5X exponent 2 + 10x- 45=

Slav-nsk [51]

I’ll assume the question is asking us to factor the above polynomial:
5x^2 + 10x - 45

Factor out a 5:
5(x^2 + 2x - 9)

This appears to be an irreducible quadratic polynomial, so let’s leave it alone.
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3 years ago

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3 years ago

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Answer:

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3 years ago

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3 years ago

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The area of the base of a rectangular prisim four and three fourths and the height of two and one third what is the volume

VikaD [51]

Data:
$A_{base} = 4 \frac{3}{4} = \frac{4*4+3}{4} = \frac{16+3}{4} \to A_{base} = \frac{19}{4}$

$h (height) = 2 \frac{1}{3} = \frac{3*2+1}{3} = \frac{6+1}{3} \to h (height) = \frac{7}{3}$
$v (volume) = ?$

Formula: $V = A_{b}*h$

Solving:
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$\boxed{\boxed{V \approx 11.08}}\end{array}}\qquad\quad\checkmark$

7 0

4 years ago

Only answer if u know the answer ​

Only answer if u know the answer