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Minchanka [31]
4 years ago
15

4(2x3)-3x=5(x-2)+3 how do you do this?

Mathematics
2 answers:
fenix001 [56]4 years ago
8 0

First of all, we have to expand the brackets.

8 x 12 - 3x = 5x - 10 + 3

Then, we have to put all the x terms on one side. We do that by adding 3x to both sides to get rid of that -3x on the left.

8 x 12 = 8x - 10 + 3

Now we have to get x on its own, so if we do the numbers first to make it easier:

96 = 8x - 7

Now add seven to both sides: 103 = 8x

Then divide both sides by eight to find x. This leaves us with 12.875.

Hope I helped!

maks197457 [2]4 years ago
4 0
4(2×3)-3x=5(x-2)+3
24-3x=5x-7
8x=31
x=31/8
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Mrs. Meyer buys fruit to make a fruit salad. She buys:
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Answer:

C. 15 1/4 pounds

Step-by-step explanation:

Since our options are in pounds, we would need to convert all our weight to pounds.

Now, by standard conversion 1 pound = 16 Ounce

3 cartons of blueberries that weigh 12 ounces each

  • 12 Ounce=0.75 Pound
  • 3 X 0.75 =2.25 Pounds

3 cartons of strawberries that weigh 16 ounces each

  • 16 Ounce =1 Pound
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4 bunches of bananas that weigh 2.5 pounds

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<u>The correct option is C.</u>

7 0
4 years ago
How do you solve number five?
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7 0
4 years ago
In the number 28,175, what is the value of digit 8
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5 0
4 years ago
What values of a and b make the equation true? StartRoot 648 EndRoot = StartRoot 2 Superscript a Baseline times 3 Superscript b
kramer

Option C: a=3, b=4 is the value of a and b

Explanation:

Given that the expression \sqrt{648}=\sqrt{2^a\times3^b}

We need to determine the value of a and b

Let us consider the term \sqrt{648} and take the prime factorization of the term 648

Thus, we have,

648 divides by 2,

648=2 \cdot 324

324 divides by 2,

648=2 \cdot 2 \cdot 162

162 divides by 2,

648=2 \cdot 2 \cdot 2 \cdot 81

81 divides by 3,

648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 27

27 divides by 3,

648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 9

9 divides by 3,

648=2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 3 \cdot 3

Thus, we have,

\sqrt{648}=\sqrt{2^{3} \cdot 3^{4}}

Therefore, equating the powers of 2 and 3, we get,

a=3, b=4

Hence, the value of a and b is 3 and 4

Thus, Option C is the correct answer.

4 0
3 years ago
Read 2 more answers
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