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2 years ago

Round the following to the nearest tens: 112 *

Mathematics

2 answers:

Brums [2.3K]2 years ago

8 0

Answer:

it 100

Step-by-step explanation

100 bc you have to round down just remember

5 or more go up

5 or less go downit's

kvasek [131]2 years ago

7 0

Answer:

110

Step-by-step explanation:

So tens is the 1 in the middle

And since 2 is 5 and less

You just keep it

And replace 2 with a 0

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2 years ago

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.

Pythagoras theorem

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

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

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a) Cos A

Data:

Adjacent = 8

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Formula:

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

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

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

A = 31.7°

b) Tan B

Data:

Opposite = 8

Adjacent = 5

Formula:

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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2 years ago

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bagirrra123 [75]

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2 years ago

I don't get it please Help me

fenix001 [56]

Step-by-step explanation:

A. 2(x+4)=2x+8

B. 3(2x-1)=6x-3

C. 4(x+2)=4x+8

D. 2(x+3)=2x+6

E. 3(4x+1)=12x+3

A - G

B - I

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5 0

2 years ago

Round the following to the nearest tens: 112 *​

Round the following to the nearest tens: 112 *