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Olenka [21]
3 years ago
10

ANSWER IN 1 MIN AND ILL MARK BRAINLIEST PLEASSE HELP!!!!!!! 3 - 2(x - 4) = 5x + 3

Mathematics
1 answer:
adoni [48]3 years ago
4 0

Answer:

8/7 =x

Step-by-step explanation:

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

Distribute

3 -2x +8 = 5x+3

Combine like terms

11 -2x = 5x+3

Add 2x to each side

11-2x+2x = 5x+2x+3

11 = 7x +3

Subtract 3 from each side

11-3 = 7x +3-3

8 = 7x

Divide each side by 7

8/7 =7x/7

8/7 =x

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Middle school math pls help
d1i1m1o1n [39]

Answer:

2 3/4

Step-by-step explanation:

You need to find the greatest common factor of 4 and 2 then you multiply the 2 by 2 to get a 4 and multiply the 1, then you add those together to get 2 3/4.

5 0
2 years ago
1 2/5 divided by 2 3/4
LekaFEV [45]

The answer is 28/55.

In order to find this, the easiest thing to do is to make both of the terms improper fractions. To do that for any term, you need to multiply the big number by the bottom of the fraction (denominator) and then add that to the top number (numerator). Then this can be expressed over the original bottom number.

\frac{WHOLE*BOTTOM + TOP}{BOTTOM}

\frac{1*5 + 2}{5}

\frac{7}{5}

Now do the same for the second fraction.

\frac{WHOLE*BOTTOM + TOP}{BOTTOM}

\frac{2*4 + 3}{4}

\frac{11}{3}

Now that we have both in that way, we can flip the second fraction and multiply. This is the same as dividing when you are using fractions.

\frac{7}{5} / \frac{11}{4}

\frac{7}{5} * \frac{4}{11}

\frac{28}{55}

5 0
3 years ago
Without using a calculator, determine whether 1 728 is a perfect square, a perfect cube, or
Lerok [7]

Answer:

it's a perfect cube only....

8 0
3 years ago
Suppose y = 2x + 1 , where x and y are functions of t. (a) if dx/dt = 3, find dy/dt when x = 4. dy dt = (b) if dy/dt = 2, find d
qwelly [4]

Answer:

Step-by-step explanation:

If y = 2x + 1, then dy/dt = 2(dx/dt).

If y = 2x + 1, then y = 2(40) + 1 when 40 is substituted for x.  y = 81.

(a) if dx/dt = 3, find dy/dt when x = 4:

       Replacing dx/dt with 3 in dy/dt = 2(dx/dt) yields dy/dt = 2(3) = 6.

(b) if dy/dt = 2, find dx/dt when x = 40:

        Replacing dy/dt with 2 in dy/dt = 2(dx/dt) results in 2 = 2(dx/dt), so dx/dt must be 1.

3 0
3 years ago
Please help me with this!
ahrayia [7]

Answer:

I'm pretty sure its A

Step-by-step explanation:

..................

4 0
3 years ago
Read 2 more answers
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