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oksano4ka [1.4K]
3 years ago
5

6) A plane is preparing to land. It is at an altitude of

Mathematics
1 answer:
slavikrds [6]3 years ago
3 0

Answer:

b

Step-by-step explanation:

4800-1400 because 200*7 equals 1400.

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What is the greatest ten you can multiply by 2 to get close to but not over 58?
ExtremeBDS [4]

Answer:

20

Step-by-step explanation:

20 x 2 =40

40 is under 58 and the closest to 58

the next 10 is 30 and 30 x 30 is over 58 with 60

3 0
2 years ago
the length of a rectangle is 5 less than twice the width.if the perimeter of the rectangle is 146,find the area of the rectangle
raketka [301]

Answer:

The area of the rectangle is 1222 units²

Step-by-step explanation:

The formula of the perimeter of a rectangle is P = 2(L + W), where L is its length and W is its width

The formula of the area of a rectangle is A = L × W

∵ The length of a rectangle is 5 less than twice the width

- Assume that the width of the rectangle is x units and multiply

   x by 2 and subtract 5 from the product to find its length

∴ W = x

∴ L = 2x - 5

- Use the formula of the perimeter above to find its perimeter

∵ P = 2(2x - 5 + x)

∴ P = 2(3x - 5)

- Multiply the bracket by 2

∴ P = 6x - 10

∵ The perimeter of the rectangle is 146 units

∴ P = 146

- Equate the two expression of P

∴ 6x - 10 = 146

- Add 10 to both sides

∴ 6x = 156

- Divide both sides by 6

∴ x = 26

Substitute the value of x in W and L expressions

∴ W = 26 units

∴ L = 2(26) - 5 = 52 - 5

∴ L = 47 units

Now use the formula of the area to find the area of the rectangle

∵ A = 47 × 26

∴ A = 1222 units²

∴ The area of the rectangle is 1222 units²

7 0
3 years ago
Find the perimeter of the polygon
malfutka [58]
The answer is 24. 
8 + 8 + 4 + 4 = 24
7 0
2 years ago
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Which of the following are roots of the polynomial function? check all that apply F(x)=x^3-x^2-5x-3
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Sjjnan snsnsn Jan’s. Ndndnd
8 0
3 years ago
I know this question is easy, but I don’t really know how to do it? Help? If possible put a quick explanation, it’s fine if not!
lorasvet [3.4K]

Answer:

She left $10.62 the total was $58.87

Hope this helps :)

3 0
2 years ago
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