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tino4ka555 [31]
3 years ago
14

Dean downloaded 9 apps onto his tablet in 12 seconds. At this rate, how many apps could he download in one minute?(12 seconds =1

minute)
Mathematics
1 answer:
Maurinko [17]3 years ago
6 0

Answer:

45 apps

Step-by-step explanation:

1 minute has 60 seconds

If 12 seconds equals to 9 apps

60 seconds equals to x apps

Cross multiplying

x=\frac {60\times 9}{12}=45 apps

Therefore, Dean downloads 45 apps in 1 minute

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A cylindrical vase has a diameter of 6 inches. At the bottom of the vase, there are 8 marbles, each of diameter 3 inches. The va
DIA [1.3K]

Answer:

  π(3 in)²(10 in) -8(4/3)(1.5 in)³

Step-by-step explanation:

The volume of a cylinder with a radius of 3 inches and a height of 10 inches is ...

  V = πr²h = π(3 in)²(10 in)

The volume of 8 spheres with a radius of 1.5 inches is ...

  V = 8(4/3)πr³ = 8(4/3)π(1.5 in)³

The volume occupied by the water is the volume of the cylinder not occupied by the spheres. So, it is ...

  V = π(3 in)²(10 in) -8(4/3)(1.5 in)³ . . . . . . matches the 4th choice

5 0
3 years ago
Am I correct on 12?
lukranit [14]
Yes, HL would be correct.

This states that if two hypotenuses are congruent (they have the same one)

and if one pair of legs are congruent,

the figure is congruent.

I hope this helps!
~cupcake
7 0
4 years ago
Sue need 1 1/4 cups of flour for a batch of cookies.
MA_775_DIABLO [31]

4 batches: 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 = 4 4/4 = 5

6 batches: 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 = 6 6/4 = 7 1/2

7 batches: 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 = 7 7/4 = 8 3/4

8 batches: 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 + 1 1/4 = 8 8/4 = 10

The answer is C because 8 batches needs 10 cups of flour, and 7 batches is closest to 9 cups than 6 batches.

You can also look at it like this:

1 1/4c ≤ 9 (c is # of cups)

Or you could have multiplied 4, 6, 7, 8 to 1 1/4 or 1.25

8 0
4 years ago
How many times can 3 go into 500
AlladinOne [14]
All you have to do is divide 500 by 3.
500 divided by 3 is 166.666667

I hope this helps:)
3 0
4 years ago
Read 2 more answers
Please help I will reward brainly. This needs done now Thanks
kenny6666 [7]
Use Desmond use desmos, it’s an app you can get and it’s free and it’ll grapgh things for you
7 0
3 years ago
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