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Butoxors [25]
3 years ago
13

Pls answer the question in the picture.

Mathematics
2 answers:
Airida [17]3 years ago
6 0

Answer I think it is 2:7 but I’m not sure

Step-by-step explanation:

mr_godi [17]3 years ago
3 0

Answer:

5:2

Step-by-step explanation:

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The length of a rectangle is 5 feet more than twice the width. The perimeter is 130 feet. Find the dimensions.
Dahasolnce [82]
So,

The problem tells us that the length of the rectangle is 5 feet more than twice the width.
Mathematically:
length = 5 + 2width
l = 5 + 2w


We know that the perimeter is 2l + 2w.
2l + 2w = 130

2(5 + 2w) + 2w = 130

Distribute
10 + 4w + 2w = 130

Collect Like Terms
10 + 6w = 130

Subtract 10 from both sides
6w = 120

Divide both sides by 6
w = 20

The width is 20.


Since
l = 5 + 2w

Substitute
l = 5 + 2(20)

Multiply
l = 5 + 40

Collect Like Terms
l = 45

The length is 45.

Check
2l + 2w = 130

2(45) + 2(20) = 130

90 + 40 = 130

130 = 130

Width: 20 ft.
Length: 45 ft.
5 0
4 years ago
The weekly cost (C) of growing and selling x acres of flowers is approximated by C = 0.2x2 – 12x + 240. How many acres of flower
Anna71 [15]
To determine how many acres would minimize cost, we need to differentiate the expression given and set it to zero and obtain the value of x. We do as follows:

C(x) = 0.2x^2 - 12x +240
C'(x) = 0.4x - 12
0 = 0.4x - 12
x = 30 acres <---------amount of flowers needed to minimize cost
3 0
3 years ago
A rectangular picture is twice as long as it is wide. If the
yulyashka [42]

Answer:

24 in long by 12 in wide.

Step-by-step explanation:

l=2w

288=(2w)×w

288=2w^2

144=w^2

12=w

width is 12 inches. Plug that in to find length...

l=2×12

l=24

8 0
3 years ago
What minus what equals 216?
Bess [88]
Is there a number minus what equal 216 if not you can do 500-284 equals 216 to check that just do 500-216 and it should be 284. hope this helps!!!!!!
5 0
4 years ago
Read 2 more answers
If you know the leg lengths of two right triangles.can you tell whether they are congruent?Explain your answer
Fofino [41]

Answer: the same length for one of the other two legs.

It doesn't matter which leg since the triangles could be rotated. If the hypotenuse and one leg of one right-angled triangle are equal to the corresponding hypotenuse and leg of another right-angled triangle, the two triangles are congruent.

8 0
4 years ago
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