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Paha777 [63]
3 years ago
13

I need help with number 9

Mathematics
1 answer:
Brut [27]3 years ago
7 0

Answer:

40 ounces

Step-by-step explanation:

Every week the kittens roughly gain about 5 ounces. The like was at 35 on week 10, so on week 11 it would be 40.

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In which line did the student make the first mistake?
Setler [38]
It’s line 4. She subtracted the final from the initial. The distance formula requires you to subtract the initial from the final. That’s the formula for displacement in x and y.
4 0
3 years ago
Find the slant height of a cone that has a diameter of 8 cm and a total surface area of 124(pi) cm^2
Morgarella [4.7K]

Answer:

The answer is 188

Step-by-step explanation:

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7 0
3 years ago
A rectangle and a square have the same area. a. The width of the rectangle is w inches. The length of the rectangle is 15 inches
harkovskaia [24]

9514 1404 393

Answer:

  a) w(4w-15)

  b) w²

  c) w(4w -15) = w²

  d) w = 5

  e) 5 by 5

Step-by-step explanation:

a) If w is the width, and the length is 15 less than 4 times the width, then the length is 4w-15. The area is the product of length and width.

  A = w(4w -15)

__

b) If w is the side length, the area of the square is (also) the product of length and width:

  A = w²

__

c) Equating the expressions for area, we have ...

  w(4w -15) = w²

__

d) we can subtract the right side to get ...

  4w² -15w -w² = 0

  3w(w -5) = 0

This has solutions w=0 and w=5. Only the positive solution is sensible in this problem.

The side length of the square is 5 units.

__

e) The rectangle is 5 units wide, and 4(5)-15 = 5 units long.

The rectangle and square have the same width and the same area, so the rectangle must be a square.

4 0
3 years ago
A = {1, 3, 5, 7, 9}
lutik1710 [3]

The upside down U means the numbers the sets have in common.

Do what is in parenthesis first:

(B ∩ C) = 6 is the only common number in set B and Set C.

A ∩ (B ∩ C) = Would be all the numbers in A plus the number 6 from (B ∩ C).

The answer would be A) {1, 3, 5, 6, 7, 9}

8 0
3 years ago
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What is the length of DD'?
zavuch27 [327]
The length of DD' is 5.39 units.
6 0
3 years ago
Read 2 more answers
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