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3 years ago

PLEASE HELP ME!

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

4 0

Answer:

d. 12 cm

Step-by-step explanation:

Corresponding sides have the given ratio:

EG/AC = 3/2 = EG/8 . . . . . . . fill in for AC

EG = 8(3/2) = 12 . . . cm . . . . . . . multiply by 8

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Trent told his friends it would take him 90 minutes to mow the lawn. It only took him

marta [7]

Answer:

The answer is 16%

Step-by-step explanation:

use the percent error formula.

$\frac{|E-T|}{|T|} *100$

in this problem,

e= 75

t=90

substitute and solve.

$\frac{|75-90|}{|90|} *100\\\frac{|-15|}{|90|}*100\\\\ .16667*100\\$

16%

we are dealing with percents so rounding to nearest whole number will suffice.

hope this helps!

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4 years ago

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Answer:

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3 years ago

ollegr [7]

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3 years ago

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465 mile on 15.5 gallons gasoline in city what is the rate in per gallon

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3 years ago

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Tell whether the sequence is arithmetic. If it is, what is the common difference? (1 point)

larisa [96]

Since an arithmetic sequence is a sequence of numbers and the difference of any two successive members of the sequence is a constant

So this question is arithmetic because it keep minus by 7

from 19 - 7 = 12

12 - 7 = 5

5 - 7 = -2

so common difference is -7

or you can check with arithmetic formular as

$a_{n}$ = $a_{1}$ + (n−1)d

I will just put in the 4th term which is -2 and n will equal to 4

and $a_{1}$ is the 1st term which is 19

-2 = 19 + (4−1)d

-2 - 19 = 3d

d = $\frac{-21}{3}$

d = -7

7 0

3 years ago