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3 years ago

HELP ME PLS BRAINIEST TO FIRST PERSON TO ANSWER

Mathematics

2 answers:

11111nata11111 [884]3 years ago

8 0

Answer: 7.8 is a rational number between 7.7 and 7.9.

It is rational because it can be written as a fraction of integers, such as 78/10.

Step-by-step explanation:

Daniel [21]3 years ago

6 0

Answer:

just answering so the other person can get brainliest :)

Step-by-step explanation:

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Find the measure of angle A (look at pic pls help) A- 120 B- 300 C- 60 D- 90

aleksklad [387]

Answer: 300

Step-by-step explanation:

5 0

3 years ago

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The distance between -18 and 15 is equal to _____.

Komok [63]

Answer:

15 -(-18)

Step-by-step explanation:

a double negative is basically a + sign. The distance between -18 & 15 is 33, so 15- (-18) or 15 + 18 is 33 is equivalent

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4 years ago

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Hue is arranging chairs. She can form 6 rows of a given length with 1 chair left over, or 9 rows of that same length if she gets

xenn [34]

x=given length

6x+1+14=9x

6x+15=9x

9x-6x=15

3x=145

x=15/3

x=5

6*5=30, 30+3=33

33+14=47 and 9*5=47

The answer is 5

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4 years ago

Find the value of cos θ if the angle θ is in the third quadrant and sinθ= -0.8

Rudiy27

Correct option is D) -0.6.

Step-by-step explanation:

We have $sin\alpha = -0.8$ . Also, we know that $cos\alpha = \sqrt{1- (sin\alpha } )^{2}$ . Let's find out value of $cos\alpha$ using above formula:

$cos\alpha = \sqrt{1- (sin\alpha } )^{2}$

⇒ $cos\alpha = \sqrt{1- (sin\alpha } )^{2}$

⇒ $cos\alpha = \sqrt{1- (-0.8 } )^{2}$

⇒ $cos\alpha = \sqrt{1- (0.64 } )^{}$

⇒ $cos\alpha = \sqrt{0.36}$

⇒ $cos\alpha = 0.6$

But we know that cos $\alpha$ is negative in third quadrant , Therefore $cos\alpha = -0.6$ .

Hence, correct option is D) -0.6.

3 0

3 years ago

Harvey worked 36 hours this week. He earns $28.46 an hour. How much did he earn this week

Snowcat [4.5K]

Answer:

$1,024.56

Step-by-step explanation:

Simple math, So what you would do to find this answer would be taking the amount of money hes earning an hour and times that by how many hours he worked that week. so $28.46 x 36 = $1,024.56

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4 years ago

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