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REY [17]
3 years ago
8

What is the answer to 18-4K=-10-4k?

Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

  no solution

Step-by-step explanation:

add 4k to both sides of the equation and you have ...

  18 = -10  . . . .  false

There is no value of k that will make this statement true. There is no solution.

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10 QUESTIONS FOR THE TOTAL OF 50 POINTS!! PLEASE ANSWER QUICKLY!!!!! I NEED HELP AND FAST!!! AND WILL MARK BRAINLIEST!!!
prohojiy [21]

Answer:

  1. B) 48
  2. D) 81
  3. A) 11
  4. B) -81
  5. -246
  6. C) 5
  7. A) 19 9/25
  8. D) 11
  9. A) 48
  10. D) m-c/-b =a

Step-by-step explanation:

comment if you want the explanation, but you said you wanted it fast and it would take me like 10 minutes to right it all out

8 0
3 years ago
Read 2 more answers
Michaels test scores for this semester were 83,80,91,74,66,99,87,72,95,98. What was the median of his scores
atroni [7]

Answer:

85

Step-by-step explanation:

Write the numbers in order

66, 72, 74, 80, 83, 87, 91, 95, 98, 99

Find the middle number

83 and 87 are in the middle, so find the mean of them. 83+87= 170

170/2 = 85.

5 0
2 years ago
Read 2 more answers
Abby earns $9.95 per hour doing landscape work. She worked 8.5 hours last week.
Salsk061 [2.6K]

Answer:

$84.58

Step-by-step explanation:

You would do 9.95 times 8.5 which gives you 84.575 which in money case you round to two decimal places you keep the 5 but 7 you round to 8 because "5 or more you add one more"

Hope this helps

8 0
2 years ago
The width x of your iris decreases from 4 millimeters to 2 millimeters when you enter a dark room. How many times greater is the
inysia [295]

Answer:

The area of the Iris is 4 times greater.

Step-by-step explanation:

Firstly, we have to realize that we cannot solve this problem without knowing the radius of the iris. because from the information given, the radius of the iris could well be the size of the galaxy and contract from width of 4mm to 2mm and we wouldn't know!

The average radius of the iris is 6mm, so we take this value.

Now, initially the width of the iris is 4mm, that means the radius of the pupil is:

6mm-4mm=2mm

Therefore it's area A is:

A=\pi r^2=\pi (2)^2=4\pi

When the iris contracts to 2mm, the radius of the pupil becomes:

6mm-2mm=4mm

Then it's area is A:

A=\pi r^2=\pi (4)^2=16\pi

To find how many times greater this final area is than the initial area, we just divide it by the initial area:

\frac{16\pi }{4\pi } =4

This is 4 times greater than the initial area.

3 0
3 years ago
Elle can buy 2 quarts of milk for $3 or 1 gallon of milk for $3, Which Is The Better Deal.... Because Im not sure..
GrogVix [38]
1 gallon is equal to 4 quarts. 

So you can either get 2 quarts for $3, or 4 quarts for 3$

1 gallon is the better deal.
5 0
3 years ago
Read 2 more answers
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