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andriy [413]
3 years ago
7

I WILL MARK BRAINLIEST!!!! An underground mine elevator descends 12% of the total depth every minute. The total depth of the ele

vator is 75 meters below the ground. How many meters below the ground is the elevator after 2 minutes? −18 meters −9 meters −4.5 meters −22.5 meters
Mathematics
2 answers:
JulijaS [17]3 years ago
6 0

Answer:

-18 meters

Step-by-step explanation:

Total depth = 75 meters

<u><em>1 Minute:</em></u>

=> -12% of 75

=>- \frac{12}{100} *75

=> -(3*3)

=> -9 meters

<u><em>After 2 minutes:</em></u>

=> 2(-9)

=> -18 meters

Dahasolnce [82]3 years ago
3 0

Answer:

after 1 Min it's -9

after 2 mins it's -1.08

Step-by-step explanation:

12% X 75 = 9

12% X 9 = 1.08

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Yoko runs 7 miles in 50 minutes at the same rate how many miles would she run in 75 minutes
Vsevolod [243]

Answer: 10.5 miles

Step-by-step explanation: If she runs 7 miles for 50 minutes, if you half it, she runs 3.5 miles in 25 minutes. This means if you add 7 and 3.5 miles, you would add 50 and 25 minutes,

So 10.5 miles in 75 minutes in your answer

6 0
3 years ago
Read 2 more answers
Help! will appreciate
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Sorry I've got on idea
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3 years ago
Consider the function f(x)=x3+3x2â51x+91. What is the remainder if f(x) is divided by (x+9)? Do not include (x+9) in your answer
makkiz [27]

Answer:

The remainder is 64

Step-by-step explanation:

Consider the function f(x)=x^3+3x^2-51x+91

Use synthetic division to divide by x+9

x+9=0, x=-9

divide the given f(x) by -9 using synthetic division

-9               1           3       -51       91

                  0          -9     54        -27              

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

                  1           -6      3         64

The remainder is 64

                 

         

5 0
3 years ago
Hastings Diner reported losses of $475 each day for three days. What wa the loss for the three days?
Evgen [1.6K]

Answer:

-1425

Step-by-step explanation:

Day 1 - 475

Day 2 -475

Day 3 - 475

-475+ -475  + -475 = -1425

7 0
2 years ago
Which relationship describes angles 1 and 2?
MissTica
<span>1) supplementary angles => sum of angles' measure is 180°


Two lines intersecting creating four angles with the left obtuse angle labeled one and the acute angle to the right labeled two

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Then those two match.


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Then those two match

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Those two matches because the angle label 1 and the angle label 2 are vertical angles as per the definittion.

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Two lines intersecting in a V shape with the left angle of one hundred fifty seven degrees and a bottom angle of X degrees

Those two match becasue the angle of 157° and the angle of X° are adjacent.
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3 years ago
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