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kirill [66]
3 years ago
13

Use the GCF to write an equivalent expression in factored form for the expression 21a + 28y

Mathematics
1 answer:
Finger [1]3 years ago
5 0

Answer:7

Step-by-step explanation:

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Angle P is an acute angle.
TEA [102]
A acute angle is always less than 90 degrees. So the answer is A. 
6 0
3 years ago
The house numbers on the north side of Flynn Street are even. In one block, the house numbers begin 1022, 1032, 1042, and 1052.
never [62]

Answer:

  6 houses away

Step-by-step explanation:

You can write down the house numbers and count them:

  1032, 1042, 1052, 1062, 1072, 1082

1082 is the 6th house from where Taylor is.

___

You can also recognize that (1082 -1022)/10 = 60/10 = 6 is the number of houses away from the house at 1022.

4 0
3 years ago
Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅?
Tom [10]

Answer: Option C is correct


Step-by-step explanation:

We know tha tCos(A-B) = cosA cosB + sinAsinB

Plugging A = 180 and B = Ф

cos(180-Ф)= cos180cosФ+sin180sinФ

                  = (-1) cosФ+ (0) sinФ   [ since cos180=-1 and sin180 =0]

                 = -cosФ + 0

                 = -cosФ

Therefore option C is the correct answer.        

6 0
3 years ago
Read 2 more answers
What is the measure of the central angle of a circle with radius 15 ft that intercepts a 10 ft arc?
olga2289 [7]
  • L=10ft
  • R=15ft
  • We have to find theta

\Large{\underline{\sf Solution:-}}

\\ \sf\dashrightarrow L=\dfrac{\Theta}{180}\times \pi r

\\ \sf\dashrightarrow 10=\dfrac{\Theta}{180}\times 3.14\times 15

\\ \sf\dashrightarrow 10=\dfrac{\Theta}{180}\times 47.1

\\ \sf\dashrightarrow \Theta=\dfrac{10(180)}{47.1}

\\ \sf\dashrightarrow \Theta=\dfrac{1800}{47.1}

\\ \sf\dashrightarrow \Theta=38.2°

5 0
2 years ago
Serena Williams opened a savings account to deposit all her tennis winnings. She initially deposited $8000. After a year of mont
Radda [10]

Answer:

Step-by-step explanation:

Deposited amount 8000$

One year - 12 months

divide 8000 by 12

666.666666667

so one month

666.666666667

5 0
2 years ago
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