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vivado [14]
3 years ago
11

8 is 40% of what

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

Answer:

20

Step-by-step explanation:

40/100 of x = 8

x = 8 x 100 / 40 = 20

( I hope im right!!)

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Mike and his friends bought cheese wafers for $2 per packet and chocolate wafers for $1 per packet at a carnival. They spent a t
trapecia [35]
A. 2x+y=25; x+y=20
x represents cheese wafers and y represents chocolate wafers.

B. I will choose elimination since there is y and y. I can multiply one equation by -1 to get y and -y, which cancels out.
2x+y=25
-x-y=-20

Add equations
x=5

Plug x in
5+y=20
y=15

Final answer: 5 cheese wafers, 15 chocolate wafers
4 0
3 years ago
This means we increase the x value by 1.
velikii [3]

Answer:

The answer is option C, that is, (2,6)

6 0
3 years ago
When a window is open, the temperature in a room falls 5ºF every 15 minutes. Before the window is opened, the temperature was ​
tester [92]

Answer:

Answer:(15,65) (30,60)(45,55)

Step-by-step explanation:

Sorry for that kid that did not answer

7 0
3 years ago
Read 2 more answers
What is the solution to x4 - 12x2+10>0
alexira [117]

Answer:

  (-√(6-√26) < x < √(6-√26)) ∪ (x < -√(6 +√26)) ∪ (√(6 +√26) < x)

Step-by-step explanation:

Using x^2 = z, the equation can be rewritten as ...

  z^2 -12z +10 > 0

  (z -6)^2 -26 > 0

  |z -6| > √26

This resolves to two equations.

This one ...

  x^2 -6 < -√26 . . . . substitute x^2 for z

  |x| < √(6-√26) . . . . add 6, take the square root; use √a^2 = |a|

  -√(6-√26) < x < √(6-√26)

__

and this one ...

  x^2 -6 > √26

  |x| > √(6 +√26)

  x < -√(6 +√26) ∪ √(6 +√26) < x

5 0
3 years ago
Please can you help me??
ladessa [460]

Answer:

Why

Step-by-step explanation:

Did you report my answer ?

Did u notice u lost 40 points so then u tricked me into answering it for free ?

4 0
2 years ago
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