3 years ago

Help answer this for me it will help i will give u extra points

Mathematics

1 answer:

miv72 [106K]3 years ago

4 0

I think it’s F

Hopefully it’s right

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F(x)=4x-5, find f(-2)

GenaCL600 [577]

Answer:

The answer is -13.

Step-by-step explanation:

=4×(-2)-5

=-8-5

=-13

The value of (-2) is -13.

4 0

3 years ago

The base of a 13 foot ladder is 5 feet away from the wall. How far up the wall does the ladder reach? A)8 feet B)10 feet C)12 fe

Lisa [10]

You are solving for the height. Use the formula:

c² - b² = a² in which c = hypotenuse

(13)² - (5)² = a²

Simplify

169 - 25 = a²

144 = a²

Isolate the a. Root both sides

√144 = √a²

a = √144

a = √(12 x 12)

a = 12

C) 12 feet is your answer

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3 years ago

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If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those

Irina-Kira [14]

The fraction would be 4/9

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4 years ago

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Angles A and B are complementary and in ratio of 3:6. What is the measure of each angle

pashok25 [27]

complementary angles add up to 90°, so therefore we know that ∡A + ∡B = 90°, and also they are in a ratio of 3:6.

$\bf \cfrac{A}{B}=\cfrac{3}{6}\implies \cfrac{A}{B}=\cfrac{1}{2}\implies 2A=\boxed{B}
\\\\[-0.35em]
~\dotfill\\\\
A+B=90\implies A+\boxed{2A}=90\implies 3A=90\\\\\\ A=\cfrac{90}{3}\implies \blacktriangleright A=30 \blacktriangleleft
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
2(30)=B\implies \blacktriangleright 60=B \blacktriangleleft$

7 0

3 years ago

HELP! Please help! Thank you so much!

laiz [17]

Answer:

0-5

Step-by-step explanation:

1 if theres 5 topping. 2 if there are 10 toppings. 3 if 15. 4 if 20. 5 if 25.

5 0

3 years ago