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2 years ago

Hi, I am doing math at home, and I was confused on this problem. Thank you for helping.

Mathematics

1 answer:

Murrr4er [49]2 years ago

4 0

Answer:

simplified the answer ( i think) is $-\frac{3}{56}$

Step-by-step explanation:

Thank you for being so polite you were when u asked ur question, really hope this helps

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Please Help!! what value of b makes the trinomial below a perfect square?

Anna [14]

Remember, you take 1/2 of b and square it to get c

c=100
(b/2)^2=c
(b/2)^2=100
sqrt oth sides
b/2=+/-10
times both sides by 2
b=+/-20
it is 20 or -20

answe ris B
yo is right

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2 years ago

Evaluate the function f(x) = x2 +1 for f(2).<br> 1<br> 5<br> 7

zaharov [31]

Answer:

b) 5

Step-by-step explanation:

f(x) = x² + 1

f(2) = (2)² + 1

= 4 + 1

= 5

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2 years ago

Find the length of the hypotenuse if the base and height of a triangle are 6 m and 8 m , respectively

olga_2 [115]

Answer:

Step-by-step explanation:

Use the Pythagorean Theorem.

base² + height² = hypotenuse²

6² + 8² = hypotenuse²

100 = hypotenuse²

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5 0

3 years ago

What does 90-3x equal

Nikolay [14]

$90-3x=?$

Get x to one side

So minus 90 from each side

$-3x=-90$

-90÷-3=30

Answer: x=30

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3 years ago

Divide and simplify 4/7÷(-11/2)

lys-0071 [83]

Answer: $-\frac{8}{77}$

Step-by-step explanation:

$\frac{\frac{4}{7} }{-\frac{11}{2} }$

Multiply by the reciprocal in order to get rid of the fraction in the denominator.

$\frac{\frac{4}{7} }{-\frac{11}{2} }*-\frac{2}{11}$

$\frac{4}{7}*-\frac{2}{11}$

$-\frac{8}{77}$

4 0

3 years ago