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marusya05 [52]
3 years ago
14

Helphelphelphe helphelp

Mathematics
1 answer:
xeze [42]3 years ago
4 0

Answer:

55°

Step-by-step explanation:

In the picture above.

I hope that it's a clear solution and explanation.

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a school counts the number of students taking AMDM and find 221 students taking AMDM. they also count the number of students tak
Masja [62]

Answer:

33.195%

Step-by-step explanation:

AMDM: 221 students

Physics: 241 students

Taking both: 80 students

80/241 = ~33.195%

4 0
3 years ago
A 65​-inch board is cut into two pieces. One piece is four times the length of the other. Find the lengths of the two pieces.
Novosadov [1.4K]
The shorter one is 13 and the other one is 52.
7 0
3 years ago
Can some one help me plz I really need help
Sonbull [250]
1. 2x + 50 = 100
subtract 50 on both sides and then divide by 2.

x = 25

180 - 100 = 80

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2. 7x - 4 = 87
add 4 on both sides and divide by 7.

x = 13

180 - 87 = 93

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3. 5x - 2 = 38
add both sides by 2 and divide by 5.

x = 8

180 - 38 = 142

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4. 14 + 6x = 134
subtract both sides by 14 and divide by 6.

x = 20

180 - 134 = 46

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5. x = 53

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6. x = 14

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6 0
3 years ago
The constant of proportionality has the same value as the unit rate true or false?
Dennis_Churaev [7]

Answer:

True they represent the same thing

5 0
2 years ago
Read 2 more answers
A gardener has 520 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it doe
Bond [772]

The shortest side is 130 feet, the longest side is 260 feet and the greatest possible area is 33800 square feet

<h3>What dimensions would guarantee that the garden has the greatest possible area?</h3>

The given parameter is

Perimeter, P = 520 feet

Represent the shorter side with x and the longer side with y

One side of the garden is bordered by a river:

So the perimeter is:

P = 2x + y

Substitute P = 520

2x + y = 520

Make y the subject

y = 520 - 2x

The area is

A = xy

Substitute y = 520 - 2x in A = xy

A = x(520 - 2x)

Expand

A = 520x - 2x^2

Differentiate

A' = 520 - 4x

Set to 0

520 - 4x = 0

Rewrite as:

4x= 520

Divide by 4

x= 130

Substitute x= 130 in y = 520 - 2x

y = 520 - 2 *130

Evaluate

y = 260

The area is then calculated as:

A = xy

This gives

A = 130 * 260

Evaluate

A = 33800

Hence, the shortest side is 130 feet, the longest side is 260 feet and the greatest possible area is 33800 square feet

Read more about area at:

brainly.com/question/24487155

#SPJ1

7 0
1 year ago
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