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Tpy6a [65]
2 years ago
12

Evaluate the expression when a is -5 and y is 7

Mathematics
1 answer:
sasho [114]2 years ago
7 0

a - 5y

when a = -5 and y = 7 :

( - 5) - 5(7) =  - 5 - 35 =  - 40

Answer: -40

ok done. Thank to me :>

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What is the card balance
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8 0
2 years ago
-2 4/5 + 1/4 equals what ?
vlada-n [284]
Hey there! :)

Since 2 4/5 is greater than 1/4, the answer is negative.

You can just subtract 2 4/5 and 1/4 and add the (-) sign

2 4/5 - 1/4

Change the fractions so they can have a common denominator: 20

2 4/5 = 2 16/20

1/4 = 5/20

2 16/20 - 5/20 = 2 11/20

Add the (-) sign → -2 11/20

Answer ⇒ -2 11/20

:)
5 0
3 years ago
PLS HELP!!!!!
Crank

Answer:If you would like to know what will the approximate population be after 3 years, you can calculate this using the following steps:

an initial population ... 298 quail

an annual rate ... 8%

an exponential function to model the quail population:

f = 298(1+8%)^t = 298(1+8/100)^t

f ... quail population

t ... time (years)

t = 3 years

f = 298(1+8/100)^t = 298(1.08)^3 = 375.4 quail

375.4 quail after 3 years.

5 0
3 years ago
Read 2 more answers
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