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Bess [88]
2 years ago
13

Which expression is equivalent to 5 (a + b)

Mathematics
1 answer:
pav-90 [236]2 years ago
5 0
I need to see the expressions to answer your question sorry
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Aanya wrote the four equations that are shown below. She examined them, without solving them, to determine which has exactly one
mojhsa [17]

Answer:

B:3(x-1)+2x=3(x-1)+2

Step-by-step explanation:

Aanya wrote the four equations that are shown below.

We need to check each equation and see which equations have same coefficient of x terms on both sides of equation.

A: 6x-8=4(x-2)+2x

Distribute 4 inside the parenthesis

6x-8=4x- 8+2x

We know 4x + 2x is 6x. So, both sides we have 6x. Hence no solution for this equation.

B:3(x-1)+2x=3(x-1)+2

Distribute 3 inside the parenthesis

3x - 3 + 2x = 3x - 3 + 2

5x - 3 = 3x- 3 + 2

Coefficient of x  are not same on both sides. So this equation has exactly one solution.

C:7x+2-x=6(x+2)

Distribute 6 inside the parenthesis

6x + 2= 6x + 12

Both sides we have 6x. Hence no solution for this equation.

D:4(x+3)+x=5(x+1)+7

Distribute 4  and 5 inside the parenthesis

5x + 12= 5x  + 5+ 12

Both sides we have 5x. Hence no solution for this equation.

5 0
2 years ago
Read 2 more answers
Hey guys can yall help me with this math pleaseeeee
yanalaym [24]

Answer:

The answer is 1, -1

Step-by-step explanation:

Because I said so.

5 0
2 years ago
Read 2 more answers
Oil is leaking from a tanker at the rate of R(t) = 2000e^(-0.2t) gallons per hour where t is measured in hours. How much oil lea
Virty [35]
We first integrate the expression to find the oil leaked since we have an expression for leakage rate.
Integrating:
O(t) = -10000exp(-0.2t); substituting t = 10
O(t) = -1,353 gallons
1,353 gallons of oil leak out in the first 10 seconds.
4 0
3 years ago
Find the value of each variable.
Molodets [167]
There is no variables here
8 0
3 years ago
Karen rides her bike 4 mi in 20 min. How many miles will she ride in 1 h and 20 min?
Sever21 [200]
The answer is 84 miles

6 0
3 years ago
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