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ANEK [815]
3 years ago
15

Select the two binomials that are factors of this trinomial.

Mathematics
1 answer:
Alina [70]3 years ago
8 0

Answer:

(x-5) (x+4)

Step-by-step explanation:

x^2 - X-20

Factor

What two numbers multiply to -20 and add to -1

-5*4 = -20

-5+4 = -1

(x-5) (x+4)

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A cell phone and phone case cost $110 in total. The cell phone costs $100 more
Olegator [25]

Answer:

Step-by-step explanation:

p + c = 110

p = c + 100

c + 100 + c = 110

2c + 100 = 110

2c = 110 - 100

2c = 10

c = 10/2

c = 5 .......cost of the phone case

p = c + 100

p = 5 + 100

p = 105 <=== cost of the phone

3 0
3 years ago
Click and drag like terms onto each other to simplify fully. 1+x^2-3+2y+7x^2+3+3y
Rashid [163]

Answer:

8x^2 + 5y + 1

Step-by-step explanation:

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group like terms

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add similar items

= 8x^2 + 2y + 3y + 1 - 3 + 3

add similar items

= 8x^2 + 5y + 1 - 3 + 3

= 8x^2 + 5y + 1

6 0
3 years ago
Read 2 more answers
Saving?
nikitadnepr [17]

Answer:

A man borrows * 8000

He agrees to repay with a total interest of 1360 in 12 monthly instalments.

Each instalment being less than the preceding one by * 40

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                                                                      = 12 x 34

                                                                      = 408 (Ans)

                                                             

7 0
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Is –22 + 9 positive or negative?
12345 [234]
Negative since the answer would be -13
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antoniya [11.8K]

Answer:

32 rooms

Step-by-step explanation:

You have to divide

8 0
3 years ago
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