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AlladinOne [14]
3 years ago
13

2x+5(3x-4)=14 Step by step please

Mathematics
2 answers:
Anton [14]3 years ago
7 0

Answer:

x=2

Step-by-step explanation:

2x+5(3x-4)=14

Distribute

2x + 15x -20 = 14

Combine like terms

17x -20 = 14

Add 20 to each side

17x-20+20 =14+20

17x = 34

Divide by 17

17x/17 = 34/17

x=2

zhenek [66]3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

2x+5(3x-4)=14

distribute 5 into (3x-4)

2x+15x-20=14

combine like terms

17x-20=14

add -20 on both sides

17x=34

divide both sides by 17

\frac{17x}{17} =\frac{34}{17}

x=2

hope this helps

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2,4,8,16 recursive form
AVprozaik [17]

Question

2,4,8,16 recursive form

Answer:

The first term is 2, and each  term after that is twice the previous term, so the equations are:

a sub1  = 2

a sub n = 2a sub n-1, for n>1

8 0
3 years ago
(4^3)^7 <br><br> please answer quickly!!
faltersainse [42]

Answer:

4,398,046,510,000 or 4^21

Step-by-step explanation:

If you need to solve:

(4^3)^7

4^3= 64

64^7= 4.39804651×10^12 or 4,398,046,510,000

If you just need the exponents answer:

You multiply exponents so the answer would be 4^21

4 0
3 years ago
Please help. Cesium-137 has a half-life of 30 years. Identify the amount of cesium-137 left from 150 milligram sample after 120
Savatey [412]

Answer:

1.325 mg

have a good day :)

8 0
2 years ago
A number is raised to the 4 th power, then divided by half the of the original number, and finally increased by 141/2. If the re
Usimov [2.4K]

Answer:

the number is 2.45

Step-by-step explanation:

let the original number = n

\frac{n^4}{n/2} = \frac{2n^4}{n} = 2n^3\\\\2n^3 + \frac{141}{2} = 100\\\\4n^3 + 141= 200\\\\4n^3 = 200 - 141\\\\4n^3 = 59\\\\n^3 = \frac{59}{4} \\\\n^3 = 14.75\\\\n = \sqrt[3]{14.75} \\\\n = 2.45

Therefore, the number is 2.45

8 0
3 years ago
A door sign has a length of 5 inches and an area of 8 1/8 square inches. Find the unknown width.​
jasenka [17]

Answer:

1.625

Step-by-step explanation:

8 1/8 is also known as 8.125

Divide

8 1/8 by 5 inches which gives you an answer of 1.625

5 0
2 years ago
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