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3 years ago

10

A store is having a sale where movies are 15% off their original price. A movies is on sale for $22.10. What was original price?

?

1 answer:

AfilCa [17]3 years ago

5 0

answer is this "$3.315" because

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3-(x-1)=-1-(5-x) pls help

Alika [10]

Answer:

$- 3(x - 1) = - 1(5 - x) \\ \\ 3 - x + 1 = - 5 + x \\ \\ - x - x = - 5 - 3 - 1 \\ \\ - 2x = - 5 - 3 - 1 \\ \\ - 2x = - 9 \\ \\ x = \frac{ - 9}{ - 2} \\ \\ x = 4.5$

3 0

3 years ago

Mrs. CADY CONSTRUCTS A CUBE WITH 512 MAGNETIC BLOCKS. STUDENTS IN HER TWO CLASSES WILL EACH MAKE AN IDENTICAL CUBE. THERE ARE 28

Lilit [14]

YOU DON"T HAVE TO YELL

512 PER STUDENT

BASICALLY,
CUBES NEEDED=CUBES PER STUDENT TIMES NUMBER OF STUDENTS

NUMBER OF STUDENTS=28+25=53

CUBES PER STUDENT=512

CUBES NEEDED=512 TIMES 53 EQUALS 27136 CUBES

SHE NEEDS 27136 CUBES FOR ALL HER STUDENTS

8 0

3 years ago

tina baught 3 video games that each cost the same amount that tax on each vido game was 1.29 she paid

crimeas [40]

Answer:

x=21.5

Step-by-step explanation:

I had this question and got it right!

6 0

2 years ago

A bag contains 15 green, 18 yellow, and 16 orange balls. One ball is randomly selected.

sergeinik [125]

Answer:

Green: 15/49

Yellow: 18/49

Orange: 16/49

Step-by-step explanation:

Add the total amt. of balls, then divide a specific group of balls by the total # of balls to get the ratios.

5 0

3 years ago

Use 1/2ab sin C formula pls

Harman [31]

Step-by-step explanation:

$area = \frac{1}{2} a.b \sin(C) \\ from \:cosine \: rule \\ {c}^{2} = {a}^{2} + {b}^{2} - 2a.b \cos(C) \\ 36 = 144 + 81 - (2 \times 12 \times 9) \cos(C) \\ 189 = 216 \cos(C) \\ \cos(C) = 0.875 \\ C = \cos {}^{ - 1} (0.875) \\ C = 28.96 \degree \\ area = \frac{1}{2} \times 144 \times 9 \times \sin(28.96 \degree) \\ area = 313.8 \: sq \: units$

3 0

3 years ago