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3 years ago

Hi can someone please help me with this. It urgent and time tysm.

Mathematics

1 answer:

navik [9.2K]3 years ago

3 0

2x=3x-29

-x=-29
Divide by negative one

x=29.

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⦁ Show (2.3)(5.06) as a fraction multiplication problem and explain why the answer is in thousandths (three decimal places).

astra-53 [7]

we have

$(2.3)(5.06)$

we know that

$2.3=\frac{23}{10}$

$5.06=\frac{506}{100}$

$(2.3)(5.06)=(\frac{23}{10})(\frac{506}{100})$

$=\frac{11,638}{1,000}$

$=11.638$

the answer is in thousandths, because the denominator of the multiplication of the two fractions is one thousand

8 0

3 years ago

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A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have

klemol [59]

Answer:

Step-by-step explanation:

I used a calculator and if you add 76, 93, 89, 71 to 91 it equals 420 and if you divide that by 5 it is 84.

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2 years ago

If A = -3n + 2, and B = 5n - 7, what is the value of A + B, in simplest form?

Sever21 [200]

Answer:

I think the answer is 2n-5

(-3n + 2)+(5n - 7)

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2+(-7)=-5

4 0

2 years ago

Trey made pasta in the shape of a square. He draws two lines to cut the pasta into smaller pieces. Which have 12 sides and 12 ve

Aleks [24]

12*12 =24........................

7 0

3 years ago

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Which expressions are equivalent to Negative 9 (two-thirds x + 1)? Check all that apply.

Sav [38]

Answer:

$-9(\frac{2}{3}x) + 9(1)\\ \\-6x + 9$

Explanation:

Before we begin, remember the following rules:

1- Distribution property:

$a(b+c) = ab+ac$

2- Simplification of fractions:

$\frac{xy}{yz}=\frac{x}{z}$

3- Signs in multiplication:

+ve * +ve = +ve

-ve * -ve = +ve

+ve * -ve = -ve

Now, for the given problem, we have:

$9 (\frac{2}{3}x + 1)$

Starting with the distributive property:

$-9 (\frac{2}{3}x +1) = -9(\frac{2}{3}x) - (-9)(1) = -9(\frac{2}{3}x) + 9(1)$

..................>This corresponds to option 1

Now, we simplify the output from the above step:

$-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9$

................> This corresponds to option 5

Hope this helps :)

4 0

3 years ago

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