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3 years ago

(20 POINTS) PLZZZZZ HELPPPPPP

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

7 0

Answer:

65 ft (which is A)

Step-by-step explanation:

A² + B² = C²

72² + B² = 97²

B² = 4225

B = √4225

B = 65 ft

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Which statements are correct? Check all that apply.

kirill [66]

Answer:

A quadratic function can have two irrational roots.

A quadratic equation can have no real number solutions.

Step-by-step explanation:

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3 years ago

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Help please ill give extra to brainliest<br> 13d +8= -1<br><br> d=?

arsen [322]

Answer:

d = (-9/13)

Step-by-step explanation:

13d + 8 = -1

-8 -8

13d = -9

÷13 ÷13

d = ( -9/ 13 )

I hope this helps!

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2 years ago

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Use the triangle below to find cos V.

Semenov [28]

Answer:

$cos\ V = \frac{2\sqrt{29}}{29}$

Step-by-step explanation:

Given

The attached triangle

Required

Find cos V

In trigonometry:

$cos\theta = \frac{Adjacent}{Hypotenuse}$

In this case:

$cos V= \frac{TV}{UV}$

Where

$TV = 6$

and

$UV^2 = TV^2 + TU^2$ -- Pythagoras

$UV^2 = 6^2 + 15^2$

$UV^2 = 261$

Take square roots

$UV = \sqrt{261$

$UV = \sqrt{9*29$

$UV = \sqrt{9} *\sqrt{29$

$UV = 3\sqrt{29$

So:

$cos V= \frac{TV}{UV}$

$cos\ V = \frac{6}{3\sqrt{29}}$

$cos\ V = \frac{2}{\sqrt{29}}$

Rationalize:

$cos\ V = \frac{2}{\sqrt{29}}*\frac{\sqrt{29}}{\sqrt{29}}$

$cos\ V = \frac{2\sqrt{29}}{29}$

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3 years ago

What’s the answer for a, and b, and how would you solve it?

xxTIMURxx [149]

Answer:

a) negative

b) -7/6

Step-by-step explanation:

The x value increased, but the y value decreased so the line goes down and has a negative slope

(y₁-y₂)/(x₁-x₂) is the slope where (x₁,y₁) and (x₂,y₂) are points on the line

(4-(-3))/(-1-5)=7/-6

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2 years ago

Pretend that you are a strawberry farmer and the market price of strawberries went up $1 per pound to $4 per pound. Explain what

Karolina [17]

Increase the price of the strawberries to keep the same profit

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4 years ago