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3 years ago

9

Justine answered 116 questions correctly on a 200−question test. Answer correctly into the boxes to show the amount as a fractio

n in simplest form, decimal, and percent.

1 answer:

kobusy [5.1K]3 years ago

4 0

Put the 116 on top of 200 and simplify. You will need to simplify by 4 which will get you 29 over 50.

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What is the distance between the points (4, 6) and (5, 3)? Write the answer in simplest radical form.

frez [133]

Answer:

$\sqrt{10} \: \: units$

Step-by-step explanation:

$\sqrt{(6 - 3)^{2 } + (4 - 5)^{2} }$

$\sqrt{9 + 1}$

$\sqrt{10}$

= 3.16 units

7 0

2 years ago

Tyrone claims that the first step to simplify this expression is to raise the numerator and denominator to the third power. Alis

STALIN [3.7K]

Answer:

Both are correct. Either rule applied first will have the same result. Both rules will be used either way, and the order in which they are applied does not matter as long as they are applied correctly at each step.

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3 years ago

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Find the cos A and tan B to four decimal places. URGENT

Nikolay [14]

cos A is 0.8511 and tan B is 1.6

Step-by-step explanation:

Find the 3rd length or the hypotenuse.

<u>Pythagoras theorem</u>

$hypotenuse^{2}$ = $adjacent^{2}$ + $opposite^{2}$

$hypotenuse^{2}$ = $8^{2}$ + $5^{2}$

$hypotenuse^{2}$ = 64 + 25

hypotenuse = $\sqrt{89}$

hypotenuse = 9.4

a) Cos A

<u>Data:</u>

Adjacent = 8

Hypotenuse = 9.4

<u>Formula:</u>

Cos (Angle) = $\frac{adjacent}{hypotenuse}$

Cos A = $\frac{8}{9.4}$

Cos A = 0.8511

A = $cos^{-1}$ (0.8511)

A = 31.7°

b) Tan B

<u>Data: </u>

Opposite = 8

Adjacent = 5

<u>Formula:</u>

Tan (Angle) = $\frac{opposite}{adjacent}$

Tan B = $\frac{8}{5}$

Tan B = 1.6

B = $cos^{-1}$ (1.6)

B = 58°

Therefore, cos A is 0.8511 and tan B is 1.6.

Keyword: cos, tan

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3 0

2 years ago

Help help me besties

charle [14.2K]

Answer:

c. 5x + 25

Step-by-step explanation:

5( x + 5)

5×x + 5×5

5x + 25

7 0

3 years ago

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Which equation represents the relationship “4 less than a number is 10?”

Naily [24]

X+3=7
Which 7-3 would be 4

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2 years ago

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