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VashaNatasha [74]
3 years ago
6

Put the steps in order to show how to solve the equation 4y - 7 = 25

Mathematics
1 answer:
kumpel [21]3 years ago
8 0

Answer:  E, A, D, C, B

Step-by-step explanation:

First, we need to get y alone. So we will add 7 to the side of the equation that has the 4y in it.

So the first one will be.

<em><u>Add 7 to both sides of the equation.</u></em>

Now the second one is

<em><u>4y = 25 + 7  </u></em>Because what you do to one side of the equation, you do to the other. So we add 7 to 25.

Then the 3rd one will be <u><em>4y = 32  </em></u>because 25+7 is equal to 32. But we still have that 4y on the other side of the equation. So the next equation is 4y = 32.

The second to last step is <em><u>Divide both sides by 4  </u></em>because thats

how you isolate y. So once you divide both sides by 4. You will get 8. Leading you into the next and final step.

<em><u>Y = 8</u></em>

And thats how you do it!

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(-5z)³ as a positive exponent.
Sergio039 [100]

To write this expression as a positive exponent we use this rule of exponents: x^color(red)(a) = 1/x^color(red)(-a) 5^-3 = 1/5^(- -3) .

3 0
3 years ago
In a school of 330 students, 85 of them are in a drama club, 200 of them are in a sports team and 60 of them do both
Neko [114]

Answer:

105/330 = 21/66 = 7/22

7/22 is the answer I think

Step-by-step explanation:

n(U) = 330

n(A) = 85

n(B) = 200

n(A n B) = 60

Now,

n(A U B) = n(A) + n(B) - n(A n B)

or, n(A U B) = 85 + 200 - 60

or, n(A U B) = 285 - 60 = 225

Now,

n(A U B) compliment = n(U) - n(A U B)

n(A U B) compliment = 330 - 225

so, n(A U B) compliment = 105

Now,

probability = 105/330

8 0
2 years ago
Subtract (-2x² +3x-5) from( 6x2 -4x+2)
Andreyy89

Answer:

8x² - 7x + 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

(6x² - 4x + 2) - (-2x² + 3x - 5)

<u>Step 2: Simplify</u>

  1. Distribute negative:                    6x² - 4x + 2 + 2x² - 3x + 5
  2. Combine like terms (x²):             8x² - 4x + 2 - 3x + 5
  3. Combine like terms (x):               8x² - 7x + 2 + 5
  4. Combine like terms (Z):              8x² - 7x + 7
8 0
3 years ago
The school drama club had 40 students in it last year. This year, the club has 52 students.
anastassius [24]

Answer:

30% increase

Step-by-step explanation:

3 0
3 years ago
Nina is 10 years younger than Deepak. Deepak is 3 times as old an Nina. Which system of equations can be used to find d, Deepak’
andre [41]
The first choice is the correct answer. 
8 0
4 years ago
Read 2 more answers
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