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Semenov [28]
3 years ago
10

Andy is scuba diving. He starts at sea level and then descends 10 feet in 2 1/2 minutes. Represent Andy's descent in feet per mi

nute.
Mathematics
1 answer:
Sergeu [11.5K]3 years ago
6 0

Answer:

4 ft/min

Step-by-step explanation:

I'm sorry no one has helped you in 40 minutes, so let me.

Theres a fun trick when it comes to saying something 'per' something;

as you can look at the word per as a fancy word for divide.

So if I have Xylophones per Megaphone then I'm basically saying:

Xylophones divided by megaphones

So in this case its 10 feet per 2 1/2 minutes and we'd understand it as 10/2.5

Lets show this

10 ft per 2 1/2 minutes = 10/2.5 ft/min = 4 ft/min

Hope this helps :)

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A circle with the diameter of 20 mm is showing what is the exact Sir conference obvious and then question to what is the approxi
yaroslaw [1]

Answer:

The approximate circumference is 62.8 mm

Step-by-step explanation:

Circumference is basically the perimeter of the circle

Circumference is given by

2 *\pi *r

Here the diameter is 20 mm, so the radius will be half of diameter = 10 mm

Substituting the given values, in above equation, we get -

Circumference =

2 *3.14 * 10 \\62.8mm

The approximate circumference is 62.8 mm

3 0
3 years ago
If two angles are complementary, which is the sum of their measurements?
Anna [14]

Answer: a complimentary angle measures 90 degrees. The measure of 2 complimentary angles would be 2x90=180


Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
help????? A sixth grade basketball team has 3 centers, 5 forwards, and 6 guards. Write a ratio using a colon for centers to tota
Alexus [3.1K]

Answer: 3:14

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4 0
3 years ago
I need helppp on my test and i can't get it wrongggg
Artyom0805 [142]

Answer:

Perimeter = 16x + 16

Area = 40x + 15

Step-by-step explanation:

Perimeter = the sum of all the side lengths

Perimeter = 2(8x+3) + 2(5) = 16x + 6 + 10 = 16x + 16

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6 0
3 years ago
There are 7 boxes stacked on the floor in the math department supply closet. Each box has a height of 10 inches or 8 inches. The
Orlov [11]

Answer:

5 of the 7 boxes are 8 inches in height

Step-by-step explanation:

Mathematically;

1 ft = 12 inches

So, 5 ft will measure 5 * 12 = 60 inches

So from what we have ,

We want to combine 8 and 10 inches to give 60 inches total

Let the number of 10 inches be x and the number of 8 inches be y

Mathematically;

x + y = 7 •••••(i)

10x + 8y = 60 ••••(ii)

From equation i, x = 7-y

Put this in equation ii

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y = 5

5 0
3 years ago
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