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3 years ago

Graph the inequality. Match the graph to the correct inequality below.

Mathematics

1 answer:

Marina CMI [18]3 years ago

3 0

Answer:

D. x > -3

Step-by-step explanation:

open circle means its either < or > sign. arrow is pointing right which is greater than the number.

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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.

Pythagoras theorem

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

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

$hypotenuse^{2}$ = 64 + 25

hypotenuse = $\sqrt{89}$

hypotenuse = 9.4

a) Cos A

Data:

Adjacent = 8

Hypotenuse = 9.4

Formula:

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

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

Learn more about cos at

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3 0

2 years ago

Which expression represents 87 less than the product of 12 and 15

ivanzaharov [21]

Answer:

I think answer is 87<180 or maybe 87<12*15

4 0

2 years ago

SHOW WORK AND ANSWER ASAP

Paul [167]

3x8 is 24 plus 4 is 28

7x1 is 7 plus 2 is 9

9+28 is 37

6 0

2 years ago

I need to know what 12 + 5 - (6×24) equals

Morgarella [4.7K]

Answer:

-127

Step-by-step explanation:

first multiplied the ones in parentheses

12+5-144

then you add

12+5=17

17-144=-127

7 0

2 years ago

Read 2 more answers

Todd has $124 in his checking account. He wrote two checks for $13.96 and $21.67 and transferred $14 into his checking from

dangina [55]

Answer: $74.37

Step-by-step explanation:

7 0

2 years ago