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den301095 [7]
3 years ago
10

Drag each expression to show whether it is equivalent to −1.3x−(−8.9x), −1.3x+(−8.9x), or neither.

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
3 0

Answer:

Neither

Step-by-step explanation:

−1.3x−(−8.9x) = −1.3x + 8.9x = 7.6x

−1.3x+(−8.9x) = −1.3x −8.9x = -10.2x

Answer: Neither

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For a Saturday matinee, adult tickets cost $8.50 and kids under 12 pay only $7.00. If 80 tickets are sold for a total
jolli1 [7]

Answer:

  • 30 adult tickets,
  • 50 kids tickets

Step-by-step explanation:

<u>Given</u>

  • Cost of adult ticket = $8.50
  • Cost of kids ticket = $7.00
  • Number of tickets = 80
  • Total cost = $605

Let the adult ticket be a and kids be k

<u>We got equations</u>

  • a + k = 80
  • 8.5a + 7k = 605

<u>From the first equation we get</u>

  • k = 80 -a

<u>Substituting k in the second equation</u>

  • 8.5a + 7(80 - a) = 605
  • 8.5a - 7a + 560= 605
  • 1.5a = 45
  • a = 45/1.5
  • a = 30

<u>Then finding k</u>

  • k = 80 - 30 = 50

8 0
3 years ago
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Parallel has same slope = -1/11

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The perimeter of a square is 23.28 inches. What is the length of each side of the square?
Ilia_Sergeevich [38]

Answer: 5.82in.

Step-by-step explanation: divide 23.28 inches by 4. a square has 4 sides so thats why i divided by 4 to get the answer of 5.82in.

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3 years ago
10 points Find the missing angle.
Ray Of Light [21]

Answer: 63

Step-by-step explanation:

Add the two numbers you have then subtract from 180 because a triangle is 180 degrees

5 0
3 years ago
Read 2 more answers
Lucy has 5 oatmeal bars each cut in half what fraction names all of the oatmeal bar halves what if Lucy cuts each part of the oa
kondor19780726 [428]

Answer:

The answers to the question are

The fraction that names all of the oatmeal bar halves is \frac{1}{2}

The fraction that names all of the oatmeal bar pieces obtained by cutting the the bar halves into two equal pieces is \frac{1}{4}

Step-by-step explanation:

To answer the question, we note that there are 5 oatmeal bars, and since each bar is cut in half, we have the fraction that names all of the oatmeal bar halves is

\frac{1}{2}

If Lucy further cuts each part of the oatmeal bar into 2 equal pieces to share with friends, then the fraction that names all of the oatmeal bar pieces is

\frac{1}{4}

3 0
3 years ago
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