2 years ago

Help rn please!! I’ll mark as brainliest for the first person to answer

Mathematics

1 answer:

ser-zykov [4K]2 years ago

3 0

C is the answer i thinkkk

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HELP NEED ANSWERS TO EDGEMS

Misha Larkins [42]

1. (0, 1) , (2, -9) , (3, -14) , (-6, 31)

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2 years ago

Evaluate cot870°.<br> 1. - sqrt3<br> 2. -1/sqrt3<br> 3. 1/sqrt3<br> 4. sqrt3

ivolga24 [154]

ANSWER

$-\sqrt{3}$

EXPLANATION

The given angle is 870°.

870°-360°-360°=150°

This means that:

870° is coterminal with 150°, hence its terminal side is in the second quadrant.

It makes an acute angle of 30° with the x-axis.

Note that cotangent is negative in the second quadrant,

Hence,

$\cot(870 \degree) = \cot(150 \degree) = - \cot(30 \degree) = - \frac{1}{ \tan(30 \degree) } = - \sqrt{3}$

The first option is correct.

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3 years ago

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DaniilM [7]

Answer:1 page

Step-by-step explanation:

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3 years ago

Reed has 8 more pennies than quarters. He saved 5 times as many pennies as quarters. How much money does he have in all ? Answer

mariarad [96]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

A 99 ft length of wire is to be cut into 2 pieces, so that the longer piece is eight feet longer than six times the shorter piec

Serhud [2]

here's the solution,

let the length of shorter peice = x

then the lenght of longer peice = 6x + 8

now, we know that the sum of length of peices measures 99 feet,

So,

=》x + 6x + 8 = 99

=》7x = 91

=》x = 13

shorter piece length = 13 feet

longer peice length = 13 × 6 + 8 = 78 + 8 = 86 feet

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3 years ago