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mixer [17]
4 years ago
14

10) → Michael paid $8.40 for a DVD after having been given a 30% discount.

Mathematics
1 answer:
tatyana61 [14]4 years ago
5 0

Answer:

Step-by-step explanation:

If the presale price is x,

then x*(1-0.30)=8.40\\0.70x=8.40\\x=8.40/0.70=12.0\\

Thus the presale price is $12.0

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W is greater than 5 and less than or equal to 9<br> Use w only once in your inequality.
aleksley [76]

Answer:

5<w<=9

Step-by-step explanation:

hope this helps good luck

3 0
3 years ago
A psychologist wants to know if the difficulty of a task influences our estimate of how long we spend working at it. She designs
Delicious77 [7]

Solution :

It is given that a psychologist wants to determine the difficulty of the task influences on the estimate of how long people spend working on it.

Now we have to describe a experiment by using a completely randomized design and learn the effect of the difficulty on the estimated time is by randomly assigning 15 students to a Group 1 of easy mazes and other 15 students to the second group 2 of hard mazes. And then we compare the time estimates of the two groups.

7 0
3 years ago
HeLP ME!!! 2/5w-2=7/5w solve the equation using the addition property of equality.
dangina [55]

The answer would be -2 i had the same problem on my quiz and the correct answer was -2

4 0
4 years ago
What is 6y−12=−3x in standard form?
aalyn [17]
3x + 6y = 12.
In standard form.

5 0
3 years ago
Use the function F(3)<br> F(x) =(1/5)^x<br> A.)1/15<br> B.)1/125<br> C.)3/5<br> D.)3/125
nalin [4]
Here is your answer

B) 1/125

REASON:

Given,

F (x)={(1/5)}^{x}

for F (3)

Putting x=3, in above function we get

F (3)= {(1/5)}^{3}= 1/125


HOPE IT IS USEFUL
6 0
3 years ago
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