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marissa [1.9K]
2 years ago
6

Tickets to a movie cost 7.50 for adults and 5.50 for students. A group of 8 friends

Mathematics
1 answer:
adell [148]2 years ago
5 0

Answer:

vgfjwqdyigcukjhgcsbn

Step-by-step explanation:

vhxjgaxghfh nfjnbnxdfhnfmbdfjm dc

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What is 39700.0947 in scientific notation ?
Elden [556K]
Answer: 3.97000947 × 10^4
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What is the root of the quadratic equation <br> y= (x-4) (x+7)
pishuonlain [190]
Root are also known as what x is equal to. So, to find x you would need to set (x-4)=0 and (x+7)=0
X=4. X=-7
4 0
2 years ago
Evaluate the expression when y=-7.<br> y? +4y-1
Delicious77 [7]

Answer:

20

Step-by-step explanation:

y^2+4y-1=(-7)^2+4(-7)-1=(-7)(-7)-28-1=49-28-1=21-1=20

5 0
3 years ago
A cube has a volume of 216 cubic inches. What is the length of each edge of the cube?
KatRina [158]

Volume of a cube = (edge)^3

In this problem,

Volume = 216in^2

Edge = ?

Let's plug our values into the formula above.

216in^3 = (edge)^3

Take the cbrt of both sides.

6in = edge

The length of each edge = 6in

3 0
3 years ago
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7/8y + 1/2 = 1 1/5<br><br> Solve for y.
abruzzese [7]

Answer:

y = 4/5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

7/8y + 1/2 = 1 1/5

<u>Step 2: Solve for </u><em><u>y</u></em>

  1. Convert to improper fraction:                                                                          7/8y + 1/2 = 6/5
  2. [Subtraction Property of Equality] Subtract 1/2 on both sides:                       7/8y = 7/10
  3. [Division Property of Equality] Divide 7/8 on both sides:                              y = 4/5
3 0
2 years ago
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