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SashulF [63]
3 years ago
5

Can someone please answer this

Mathematics
1 answer:
MakcuM [25]3 years ago
5 0
A) 31%

B) 31%

For the first problem, we know that 25 out of 80 tokens are black. To find the percentage all we have to do is divide 25 by 80, which equal 0.31. To convert this to percentage form, you move the decimal two places to the right, giving you 31%.

And for the second problem you do the same thing. Divide 5 by 16, giving you 0.31. Convert that into percentage, also giving you the percent of 31%.
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The braking time of a car is it discrete or continuous?
Rom4ik [11]

Answer:

IT'S DISCRETE

Step-by-step explanation:

I looked it up-

So be grateful

3 0
3 years ago
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If ABCD is dilated by a factor of 1/2, the coordinate of C' would be:​
rewona [7]

Answer:

Hello Love! Answer: 1, 2

Step-by-step explanation:

dilating by 1/2 is just a fancy way of saying divide the coordinates by 2 so 2÷2 = 1 and 4 ÷ 2 = 2

Hope this helps! Was doing this is math this week!

4 0
3 years ago
John is hanging 146 feet of Halloween lights on the sides of his rectangular fence that encloses his property. The length is fiv
Kamila [148]

Answer:

I think its c. 40

Step-by-step explanation:

8 0
3 years ago
mr. Nolan's code for ATM card is a four digit number. the digits of the code are prime factors of 84 listed from least to greate
Artemon [7]

Answer:

84/2= 42, 42/7= 6, 6/3= 2

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8 0
3 years ago
Please solve all questions
fredd [130]

Answer:

1)x=-6,y=1 2)a=0,b=-8 3)j=8,k=1 4)m=3,n=-6

Step-by-step explanation:

1)x-4y=-10,2x+y=-11

x-4y=-10

x=4y-10

2\left(4y-10\right)+y=-11

8y-20+y=-11

9y-20=-11

9y=9

y=1

x=4-10

x=-6

x=-6,y=1

2)a-3b=24,a+2b=-16

a-3b=24

a=3b+24

3b+24+2b=-16

5b+24=-16

5b=-40

b=-8

a=3\left(-8\right)+24

a=-24+24

a=0

a=0,b=-8

3)k-j=-7

4j-5k=27,-j+k=-7

4j-5k=27

4j=5k+27

j=\frac{1}{4}\left(5k+27\right)

j=\frac{5}{4}k+\frac{27}{4}

-\left(\frac{5}{4}k+\frac{27}{4}\right)+k=-7

-\frac{1}{4}k-\frac{27}{4}=-7

-\frac{1}{4}k=-\frac{1}{4}

k=1

j=\frac{5+27}{4}

j=8

j=8,k=1

4)m+n=-3,m-4n=27

m+n=-3

m=-n-3

-n-3-4n=27

-5n=30

n=-6

m=-\left(-6\right)-3

m=6-3

m=3

m=3,n=-6

3 0
3 years ago
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