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posledela
3 years ago
15

Solve and show how you did 5 (x-1) + 3 = 13

Mathematics
2 answers:
Goryan [66]3 years ago
4 0
5(x-1) + 3 = 13
5x - 5 + 3 = 13
5x -2 = 13
5x = 15
x = 15/5
x = 3
olasank [31]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

5(x−1)+3=13

(5)(x)+(5)(−1)+3=13(Distribute)

5x+−5+3=13

(5x)+(−5+3)=13(Combine Like Terms)

5x+−2=13

5x−2=13

Step 2: Add 2 to both sides.

5x−2+2=13+2

5x=15

Step 3: Divide both sides by 5.

5x

5

=

15

5

x=3

Answer:

x=3

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Answer:

1/20

Step-by-step explanation:

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(1/5) × (1/4) = (1/20)

8 0
3 years ago
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Find the 8th term of the geometric sequence 5, -15, 45
FrozenT [24]

Answer:

a₈ = - 10935

Step-by-step explanation:

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6 0
1 year ago
Mary can read 22 pages in 30 minutes how long would it take her to read a 100 page book? Right your answer in hours and minutes
mario62 [17]
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Mary would need about 2 hours and 16 minutes to read a 100 page book.
5 0
3 years ago
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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B80%7D%20" id="TexFormula1" title=" \sqrt[3]{80} " alt=" \sqrt[3]{80} " ali
Marianna [84]

Start by decomposing the number inside the root into primes

Then group the terms into cubes if possible

\begin{gathered} 80=2\cdot2\cdot2\cdot2\cdot5 \\ 80=2^3\cdot2\cdot5 \\ 80=10\cdot2^3 \end{gathered}

rewrite the root

\sqrt[3]{80}=\sqrt[3]{10\cdot2^3}

then cancel the terms that are cubes and bring them out of the root

\sqrt[3]{80}=2\sqrt[3]{10}

7 0
1 year ago
Julia drove 135 miles in 4.5 hours. Find her average rate in miles per hour
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