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noname [10]
3 years ago
7

Which expression is equivalent to 7a-8-12a+4

Mathematics
2 answers:
Kryger [21]3 years ago
7 0

Answer:

-5a - 4 is the expression equivalent

wolverine [178]3 years ago
5 0

Answer:

Step-by-step explanation:

-5-4

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What is the estimated quotient for 5,514÷82?
GuDViN [60]
The quotient to 5,514/82 is 67.24390244... If you round this to the nearest whole number, you get 67. If you round to the nearest tenth, you get 67.2. :)
7 0
3 years ago
Read 2 more answers
suppose that a biologist is watching a trail known for wildebeest migration. During the first minute, 24 wildebeests migrated pa
Monica [59]

Answer:

=1050 wildebeests

Step-by-step explanation:

We can form an arithmetic series for the wildebeest migration.

Sₙ=n/2(2a+(n-1)d) where  n is the number of terms, d is the common difference and a is the first term.

a=24

n=20

d=3

Sₙ=(20/2)(2(24)+(20-1)3)

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6 0
4 years ago
Solve 3(2x-5)-4x+8=-1
777dan777 [17]

Answer:

6

Step-by-step explanation:

Step 1:

3 ( 2x - 5 ) - 4x + 8 = - 1

Step 2:

5x - 15 - 4x + 8 = - 1

Step 3:

x - 15 + 8 = - 1

Step 4:

x - 7 = - 1

Answer:

x = 6

Hope This Helps :)

7 0
3 years ago
Why in the world did I have nearly 800 points worth of questions deleted? Every single one of them were right! What do I do now?
vekshin1

Answer:

read your username :)

Step-by-step explanation:

5 0
3 years ago
Draw an array for the equation 5+5+5=15
kicyunya [14]
•••••
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I'm not for sure if this is what you meant though sorry
7 0
3 years ago
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