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8_murik_8 [283]
3 years ago
11

Find the angle measure and round to the nearest Tenth. cos0 = 7/10 x = ? degrees

Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0
I believe it is 45.6
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Greta must volunteer 225 hours for a community service project. She plans to volunteer for 6 hours
klemol [59]

Answer:

A. "an arithmetic sequence with a common difference (d) of -6."

B. 33 hours

C. a_n=a_1+(n-1)d

D. See below

Step-by-step explanation:

A.

Since the sequence lessens by 6, this is an arithmetic sequence with a common difference (d) of -6.

B.

The formula for term of arithmetic sequence is:

a_n=a_1+d(n-1)

Wher a_1 is the first term and d is the common difference. Since we want to find after 33 weeks, we plug in 33 into n:

a_{33}=225 + (-6)(33-1)\\a_{33}=33

She will have left 33 hours

C.

We will use the arithmetic sequence term formula written above, that is:

a_n=a_1+(n-1)d

THis gives us the amount of hours left after a certain number of weeks.

D.

We plug in 40 into n and find the hours left:

a_{40}=225+(40-1)(-6)\\a_{40}=225-234\\a_{40}=-9

THis term is NEGATIVE, which means that Greta will not have to work 40 weeks to fulfill the target of 225 hours. She needs to work less.

6 0
3 years ago
Rick knows that 1 cup of glue weighs 1/18 pound. he has 2/3 pound of glue. how many cups of glue does he have
Mumz [18]
(2/3) / (1/18) =
2/3 * 18/1 =
36/3 =
12 cups <===
4 0
3 years ago
Read 2 more answers
UGH these math problems tho please help!
Dovator [93]

Answer:

#6 would be 15/7

#7 would be 4/90

#8 would be 17/12

i can't see number 9

#11 would be 65/15 or 4.3333333


31 + 34

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Mark buys a fresh pair of Walmart shoes that cost $35.99 plus 5.5% tax. How much did he pay?
elena55 [62]

Answer:

$37.97

Step-by-step explanation:

The price of the shoes before tax is 100% of the price of the shoes.

Then the tax adds 5.5% of the price of the shoes to the price of the shoes.

He ends up paying 100% + 5.5% of the price of the shoes.

100% + 5.5% = 105.5%

Now we find 105.5% of $35.99.

105.5% of $35.99 = 1.055 × $35.99 = $37.96945

Answer: $37.97

8 0
3 years ago
Read 2 more answers
Ricardo has 3 quarters, 1 done, 1 nickel, and 4 pennies. He gave 68 cents to his brother. How much money does Ricardo have left?
____ [38]
The answer is 26 cents, Because to the process that is in the image.

6 0
3 years ago
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