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timurjin [86]
3 years ago
8

Solve 8t + 4= 3(t-1)+7 pls sove step by step fast

Mathematics
1 answer:
lozanna [386]3 years ago
4 0

Answer:

t = 0

Step-by-step explanation:

Given

8t + 4 = 3(t - 1) + 7 ← distribute parenthesis

8t + 4 = 3t - 3 + 7

8t + 4 = 3t + 4 ( subtract 3t from both sides )

5t + 4 = 4 ( subtract 4 from both sides )

5t = 0 ⇒ t = 0 ← is the solution

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Diego has $11 and begins saving $5 each week toward buying a new phone. At the same time that Diego begins saving, Lin has $60 a
Nata [24]

Answer:

Let x represents the week and y represents the amount of money.

As per the given statement:

Diego has $11 and begins $5 each week toward buying a new phone.

⇒               ......[1]

It is also given that Lin $60 and begins spending $2 per week.

⇒               ....[2]

when they have the same amount.

equate [1] and [2] we get;

Add both sides 2x we get;

Subtract 11 from both sides we get;

Divide both sides by 7 we get;

x = 7

Substitute the value of x = 7 in [1] we have;

Therefore, at x= 7 week they have the same amount of money and they  have the amount at that time, $ 46

Step-by-step explanation:

6 0
3 years ago
I NEED THIS ANSWERED I DONT UNDERSTAND
Alex_Xolod [135]

Answer: 3.84

Step-by-step explanation:

If you time 6 by 0.8 you get 4.8 then you times 4.8 by 0.8 you get 3.84

Hope this helps :)

7 0
3 years ago
Read 2 more answers
How do I factor 2x^3−18x and x ^3+6x^2+8x
Nana76 [90]

Answer:

2x(x − 3)(x + 3)

x(x + 4)(x + 2)

Step-by-step explanation:

2x³ − 18x

x(2x² − 18)

2x(x² − 9)

2x(x − 3)(x + 3)

x³ + 6x² + 8x

x(x² + 6x + 8)

x(x + 4)(x + 2)

4 0
3 years ago
Combine Like Terms :2y+7z-2z+4y+8+y+2
Viktor [21]

Answer:

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Step-by-step explanation:

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Like terms are terms that have the same variable part.

2y, 4y, y are like terms (remember that y is the same as 1y when you add)

7z, -2z are like terms

8, 2 are like terms

2y + 7z - 2z + 4y + 8 + y + 2 =

= 2y + 4y + y + 7z - 2z + 8 + 2

= 7y + 5z + 10

4 0
2 years ago
47/8 as a mixed number
tresset_1 [31]
47/8 is an improper fraction so we need to divide 47 by 8 to get an mixed number.
8 go into 47, 5 times  because 5*8 equals 40. 
47-40 is 7 that is the left over.
5 7/8 is your mixed number.
6 0
3 years ago
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