3 years ago

Jaqui estimates that the water in a pool is 90 cm deep. The pool is actually

Mathematics

1 answer:

77julia77 [94]3 years ago

8 0

Answer:

25%

Step-by-step explanation:

90 / 120 = .75 or 75%

Verify: 120*.25 = 30

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Really struggling with this, can someone please help me out and give me a brief explanation? Id seriously appreciate it.

Bogdan [553]

Answer:

314 m²

Step-by-step explanation:

the surface area of a sphere (As) is

As = 4×pi×r²

our radius r (half of the diameter) here is 5m.

As = 4×3.14×5² = 4×3.14×25 = 100×3.14 = 314 m²

8 0

2 years ago

Kelvin divides 3 pieces of paper into fourths. how many fourths does he have

-Dominant- [34]

Answer:

Step-by-step explanation:

3 x 4 = 12

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2 years ago

Help you don’t have to explain

kolezko [41]

Answer:

-4

Step-by-step explanation:

umm you might want to learn this. I cheated in middleschool/ highschool and was an honor student. I am barely surving college though, you'll need math for your general education requirement.

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2 years ago

Question 1 (1 point) Point M is the midpoint of AB. The coordinates of point A are (-6, 3) and the coordinates of M are (-1, 1).

konstantin123 [22]

Answer:

The answer to your question is: (4, -1)

Step-by-step explanation:

M = midpoint (-1, 1)

A = (-6, 3)

B = (x, y)

$xm = \frac{x1 + x }{2}$

x = 2xm - x1

x = 2(-1) + 6

x = -2 + 6

x = 4

$ym = \frac{y1 + y }{2}$

y = 2ym - y1

y = 2(1) - 3

y = 2 - 3

y = -1

4 0

3 years ago

40% of the students in a school are boys. lf there are 240 boys, how many student are therein the school?

Stells [14]

40/100 = 96/240

Hope this helps

3 0

2 years ago