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adell [148]
3 years ago
8

A box of 120 crayons contains variations of three colors: blue, red, and purple. The ratio of blue crayons to red crayons is 11:

2, and the ratio of the number of red crayons to purple crayons is 2:7. If all of the purple crayons were removed, how many crayons would be left in the box?
E. 16
F. 42
G. 78
H. 113
Mathematics
2 answers:
Kaylis [27]3 years ago
4 0
113 I’m pretty sure or 78 so H or G
Luden [163]3 years ago
3 0
I think it’s should be H
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Is x = -12 a solution of x^2 +10x+25=49?
Tresset [83]

Answer:

Yes

Step-by-step explanation:

{x}^{2}  + 10x + 25 = 49 \\  {x}^{2}  + 10x + 25 - 49 = 0 \\  {x}^{2}  + 10x - 24 = 0 \\ (x + 12)(x -2 ) = 0 \\  \\ x  + 12 = 0 \\ x =  - 12 \\  \\  \\ x  - 2 = 0 \\x = 2

I hope I helped you^_^

8 0
2 years ago
Hi can you help me ?
anzhelika [568]

this will be the answer

1: x=-4 or x=-3 and the second can be shown clearly

4 0
2 years ago
The mean of Alice's last 5 math test scores is 88. The first 4 of these 5 math test scores were 87, 75, 93, and 85. What score d
stiks02 [169]

Answer:

Step-by-step explanation:

x is the score she got on the fifth test.

Since her average score is 88, the sum of all five tests is 5×88.

x + 87 + 75 + 93 + 85 = 5×88 = 440

x = 440 -  87 - 75 - 93 - 85

x = 100

She got a 100 on her fifth test.

6 0
2 years ago
Alex has 48 stickers. This is 6 times the number of stickers Max has. How many stickers does Max have?
Fantom [35]
The opposite if multiplication is division. 48/6 = 8 Max has 8 stickers.
7 0
3 years ago
Read 2 more answers
at the start of 2014 mikes car was worth 12000 thee value of the car decreased by 30% every year work out the value of his car a
Bas_tet [7]

Answer:

4116

Step-by-step explanation:

2014

12000÷10=1200 (10%)

1200x3=3600

12000-3600=8400

2015

8400÷10=840

840x3=2520

8400-2520=5880

2016

5880÷10=588

588x3=1764

5880-1764=4116

7 0
2 years ago
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