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Simora [160]
3 years ago
8

Witch expression represents the sum of 8 and twice a number?

Mathematics
1 answer:
adelina 88 [10]3 years ago
3 0

Answer:

2x+8

Step-by-step explanation:

let the number=x

Twice the number=2x

sum of 8 and twice the number=2x+8

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If (a,1),(-2,b).(c,-3) are points on the straight line 2x + y = 3x - y +1. Find the values of a, b and c. THANK YOU FOR THR PERS
Lisa [10]

Answer:

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6 0
2 years ago
Please help!!!
VikaD [51]
A) Volume of a cube is found by multiplying its side by itself twice.

V = a³
V = 4³ = 4 * 4 * 4
V = 64 ft³

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3 0
3 years ago
Jacob used 1/7 of a liter of water to fill 1/9 of the fish aquarium. How many liters of water are needed to fill the aquarium?
laila [671]
Jacob used 1/7 of a liter of water.
He needs to fill 1/9 of the fish aquarium.
Find how many liters would Jacob need to fill the aquarium
=> Let x = liters of water need to fill the aquarium
=> x/1 = 1/7 divided by 1/9
=> x = 1/7 x 9/1
=> x = 9/7, since this is an improper fraction, let’s convert it to mixed fraction
=> x  = 1 and 2/7
So, Jacob need 1 and 2/7 liter of water to fill the whole aquarium.



3 0
3 years ago
-24=5r+3r idk how to do it
sasho [114]

Answer:

r = -3

Step-by-step explanation:

Add the like terms: 8r = -24

Isolate r by dividing each side by 8: r = -24/8

Simplify: r = -3

Hope this helps

8 0
2 years ago
What does p to the power of 5 divided by p to the power of 2 equal?
S_A_V [24]
P^5 / P^2

The base are equal, so we should to subtracting the powers only


Dividing exponential expressions
P^5 / P^2 = P^(5-2)
:. = P^3
3 0
3 years ago
Read 2 more answers
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