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Kisachek [45]
4 years ago
13

Need help solving these please help!

Mathematics
1 answer:
lyudmila [28]4 years ago
4 0

Answer:

8

kx-mx

9

kx+nx

Step-by-step explanation:

That’s all I know I’m sorry keep doing the same process I did

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Six times a number x and was added to 90 and the result is -42. What is the number​
ANTONII [103]

According to the question,

6x + 90 = -42

<h3>To Find:</h3>

The value of x.

<h3>Solution:</h3>

6x = -42 + 90

or, x = 48/6

or, x = 8

<h2>Answer:</h2>

The value of x is 8.

6 0
3 years ago
Which rule describes a translation that is 8 units to the right and 2 units up?
Fofino [41]
(x-8, y+2).

When translating figures, a translation to the right subtracts from the x-coordinate (sort of the opposite of how we think of graphs that go to the right).  Translations up would be adding to the y-coordinate.
7 0
3 years ago
Find the surface area and round to the nearest hundredths place when necessary.
pashok25 [27]

Answer:

First lets find the area of the bottom circle:

7.2 is your radius so:

7.2^2 = 51.84 the reason why you square your radius is because thats apart of the formula when finding the are of a circle.

lets continue:

51.84 x 3.14(pi) = 162.7776

Now we need to find the area of the round surface but first we need to find the circumference of one circle and multiply it by the height.

2 x 3.14 x 7.2 = 45.216

Now lets multiply it by the height:

45.216 x 17 = 768.672

Now lets add both areas:

768.672 + 162.7776 = 931.4496 dont forget to round to the nearest hundredths place! 931.4496 rounded up = 931.45 square meters is your answer.

6 0
3 years ago
5.62 as a mixed number in simplest form
Andrej [43]
5.62 would be 5 62/100 then you can simplify the fraction down
62/100 - 31/50 
5 31/50
Hope I helped :)
6 0
4 years ago
Read 2 more answers
The total cost y varies directly with the number items x sold. Write a direct variation equation if
vesna_86 [32]

Answer:

xy = 2.35

Step-by-step explanation:

8 0
3 years ago
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