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Alisiya [41]
3 years ago
15

The formula for the perimeter of a rectangle can be written as P= 2(l+w). Solve the formula for the length l.

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Undo what is done to l. l has w added and the sum multiplied by 2, so divide by 2 and subtract w:

... l = P/2 -w

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Find the value of b here
sweet [91]

Answer:

Step-by-step explanation:

We will start with the angle that measures 57 degrees. This angle is supplementary to the one next to it coming off the straight line. 180 - 57 = 123.

The rule for quadrilaterals is that same side angles are supplementary, so the angle next to the 123-degree angle (to the immediate left of that angle 123) is 57. THAT 57-degree angle is supplementary to angle b, so angle b = 180 - 57 which is 123. So C is your answer.

8 0
3 years ago
To qualify for the long jump competition in track, an athlete must jump a combined distance of more than 16 meters in 3 jumps. J
Kipish [7]

Answer:

Yes.(16.088m combined jump)

Step-by-step explanation:

Combining jumps=4.76+5.428+5.9=16.088

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Therefore Juan qualified for the competition

6 0
3 years ago
Idali owns 24 packs of gum which is only two-thirds (2/3) of the amount Noah owns. How many packs of gum does Noah own ?
elena-14-01-66 [18.8K]

First, divide 24 by 2 to find out what 1/3 of the gum is. The answer is 12. Then, multiply 12 by 3 to find the rest of the gum.

Your answer is 36 packs of gum.


4 0
3 years ago
Please give me an answer with an explanation.
Verdich [7]

Answer:

40 and 10

Step-by-step explanation:

1. if the length is 'l' and height is 'h', then according to the condition 1/4*l=h.

2. if the given area is 400, it means, h*l=400;

3. if to substitute h=1/4*l into the formula of the area, then

l*l*1/4=400; ⇔ 1/4*l²=400;

4. if to calculate the value of the 'l', then l=40 (the required length).

5. if to substitute l=40 into 1/4*l=h, then h=10 (the required height).

5 0
3 years ago
Estimate a 15% tip on a dinner bill of $87.33 by first rounding the bill amount to the nearest ten dollars.
kifflom [539]
There would be a 13 dollar tip if you round it. If you didn't it would be 13.05.

First you would turn the percent into a decimal. You would do this by moving the decimal place to the left 2 places. Then, multiply that by your amount.
4 0
3 years ago
Read 2 more answers
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