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3 years ago

12

jillian calculates that see will take 95 minutes to run 7 miles. she runs the distance in 80 minutes. what is jillians percent e

rror.

1 answer:

Aneli [31]3 years ago

6 0

Answer:

15.79%

Step-by-step explanation:

do 95-80 which is 15

then do 15/95 as a fraction then multiply that number by 100 to get 15 15/19 then turn that into a decimal and you get 15.79%

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Karla has $4.60 in nickles and quarters . she has a total of 36 coins. how many nickels does she have

butalik [34]

There are 22 nickels.

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3 years ago

19. 140% of 60<br> find the percent of the number. Explain your method

KonstantinChe [14]

Answer:

84

Step-by-step explanation:

is x 140

---- SO ... ------- = --------

of 60 100

(hit like pls)

60*140=100x

8400=100x

/100 /100

-------------------

84 = x

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2 years ago

21 and 22 are complementary angles. The measure of Z1 is 45 The measure of Z2 is 3x°. Find the value of x. The figure is not dra

Alex

9514 1404 393

Answer:

x = 15

Step-by-step explanation:

<u>Given</u>:

∠1 + ∠2 = 90°

∠1 = 45°

∠2 = 3x°

<u>Find</u>:

x

<u>Solution</u>:

Using the given values in the given equation, we have ...

45° +3x° = 90°

15 + x = 30 . . . . . . divide by 3°

x = 15 . . . . . . . . . . . subtract 15

6 0

2 years ago

What is the value of y?<br> у<br> 60°<br> 80°

Marina86 [1]

Answer: 40

Step-by-step explanation:

The angles form a straight angle, so y = 180 - 80 - 60 = 40.

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2 years ago

What are the zeros of the quadratic function f(x) = 6x2 – 24x + 1?

MAXImum [283]

Answer:

1

Step-by-step explanation:

6*2-24x+1=

12+1=24x

x+1= 24/12

x+1=2

x=2-1

x=1

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3 years ago