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3 years ago

PLEASE QUICK HELP!!!

Mathematics

2 answers:

Sedaia [141]3 years ago

8 0

Answer:

4.5

Step-by-step explanation:

You can establish the problem in number format as 6L + 5B = 52 and 12L + 13B = 119. You can put either of the equations equal to L by dividing and setting it equal. Then, the answer is 4.5=L or the length is 4.5

Fantom [35]3 years ago

7 0

Answer:

4.5 / B

Step-by-step explanation:

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42 out of 56 students have cell phone. What percent of students said they owned a cell phone

sesenic [268]

Answer:

75%

Step-by-step explanation:

now we can see that our fraction is 75/100 which means that 42/56 as a percentage is 75%

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3 years ago

How many coupons did they send to the existing members?

Dvinal [7]

Hello!

If we try and use 50 coupons for the existing members, and the problem states that they gave FOUR times more than that to potential members, and 250 being our max, then:

250-50= 200

50x4=200—-> then add existing members to get back to the original number

So that means that they gave 50 coupons to existing members.

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3 years ago

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As a 7 1/4 inch candle burns down, its height we decreases three-quarter inch inch each hour. How many hours does it take for th

Pani-rosa [81]

Answer:

9.5 hours

Step-by-step explanation:

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4 years ago

The area of a rectangle is 56 cm. The length is 2 cm more than x and the width is 5 cm less than

AURORKA [14]

The value of x is 6 cm.

Step-by-step explanation:

Given,

Area of rectangle = 56 cm

Length of rectangle = x+2

Width of rectangle = 2x-5

Area = Length * Width

$56=(x+2)(2x-5)\\56=2x^2-x-10\\0=2x^2-x-10-56\\2x^2-x-66=0$

Factorizing

$2x^2+11x-12x-66=0\\x(2x+11)-6(2x+11)=0\\(2x+11)(x-6)=0$

Either,

2x+11 = 0 => 2x=-11

Or,

x-6=0 => x=6

As x is added to dimension, it cannot be negative.

Therefore,

The value of x is 6 cm.

Keywords: rectangle, factorization

Learn more about factorization at:

#LearnwithBrainly

3 0

3 years ago

What is -12=2+5v+2v

Xelga [282]

2+5y+2y=-12

2+7v=-12

2+7y-2=-12-2

7y=-14

7y/7=-14/7

y=-2

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3 years ago

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