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drek231 [11]
4 years ago
9

Find the product: (-8a-7)(5a+3)

Mathematics
1 answer:
Elina [12.6K]4 years ago
8 0
(-8a - 7)(5a + 3) =
-8a(5a + 3) - 7(5a + 3) =
-40a^2 - 24a - 35a - 21 =
-40a^2 - 59a - 21 <==
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Find the length of a rectangle given that the perimeter is 32 feet and the length is 1 foot more than four times the width. I ge
kap26 [50]

Answer:

Length = 13

Step-by-step explanation:

P = 2L + 2W

L = 4W + 1

P = 32

32 = 2(4W +1)  + 2W

32 = 8W + 2 + 2W

30 = 10W

W = 3

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4 years ago
Find the 23rd term of the arithmetic sequence 17, 19, 21, 23, ...
olga55 [171]

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Step-by-step explanation:

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3 years ago
Jeremy swims 5 3/5 kilometers in a 7- day periodHe swims the same distance each day. What distance does he swim in a day ? 39 1
denpristay [2]

Answer:

The distance Jeremey swims in a day is 4/5 Kilometers per day.

Solving:

(28/5)/7 = 28/7x5 = 4/5 kilometers per day

{when I put the / it means fraction}

explanation:

You have to turn 5 3/5 into an improper fraction, and do to do that you have to do 5 x 5 = 25 then 25 + 3 = 28/5

so in a 7 day period she swims 5.6 kilometers. So you have to do 5.6/7 = 0.8

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3 0
3 years ago
HELP PLEASE<br> What is the missing exterior angle?<br><br> A. 39<br> B. 83<br> C. 97<br> D. 180
Pepsi [2]

Answer:

B

Step-by-step explanation:

The exterior angle is the sum of the two given angles. (The are called the remote interior angles. The are not connected to the exterior angle we are supposed to find.)

exterior angle = 44 + 39

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8 0
3 years ago
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kicyunya [14]

Answer:

p=11

Step-by-step explanation:

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Divide both sides by 2 (to get p by itself): p=11

5 0
3 years ago
Read 2 more answers
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