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Diano4ka-milaya [45]
2 years ago
11

Lin needs to save up $20 for a new game. How much money does she have if she has saved 25% of her goal?

Mathematics
2 answers:
ira [324]2 years ago
7 0
The answer is 5$
Save25% of 20 =( 20*25/100=5)
Vlada [557]2 years ago
7 0
25% is the same as 1/4, 1/4 of 20 is 5.
ANSWER
5$
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Find the smallest number by which 8788 must be multiplied so that the quotient is a perfect cube. Also, find the cube root of th
joja [24]

Answer:

Hi ,

Cube of a number :

_______________

For a given number x we define cube

of x = x × x × x , denoted by x^3.

A given Natural number is a perfect

Cube if it can be expressed as the

product of triplets of equal factors.

Now ,

Write given number as product of

prime .

8788 = 2 × 4394

= 2 × 2 × 2197

= 2 × 2 × 13 × 169

= 2 × 2 × 13 × 13 × 13

= 2 × 2 × ( 13 × 13 × 13 )

Here we have only triplet of equal

factors i.e 13

To make 8788 into perfect Cube we

have multiply with 2.

Now ,

2 × 8788 = ( 2 × 2 × 2 ) × ( 13 × 13 × 13 )

17576 = ( 2 × 13 )^3 = ( 26 )^3 perfect

Cube

I hope this will useful to you.

7 0
3 years ago
A puppy and a kitten are 180 meters apart when they see each other. The puppy can run at a speed of 25 m/sec, while the kitten c
ser-zykov [4K]

Answer: 36 sec

Step-by-step explanation:

Let

x------> distance the kitten runs before being caught by the puppy

Remember that

The speed is equal to divide the distance by the time

v=d/t

solve for t

t=d/v

so

equate the time

x/20=(180+x)/25

25x=20(180+x)

25x=3,600+20x

25x-20x=3,600

x=3,600/5=720 m

t=d/v=720/20=36 sec

or

t=(720+180)/25=900/25=36 sec

6 0
3 years ago
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A) 0.5 would be the greater number out of them all.
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The answer is 6(-11x+7)
6 0
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pychu [463]
Do 24/30, which is 0.8. Convert this to a percentage

==============> 80%
4 0
3 years ago
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