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boyakko [2]
3 years ago
11

During a sale, all pillows are 1/4 off the regular price. which expression shows the amount of money saved on a pillow that had

a regular price of d dollars.
Mathematics
1 answer:
DiKsa [7]3 years ago
8 0
3/4*d = amount of money saved, because you're taking 1/4 away, so you're left with 3/4 of the price. 
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What is the greatest common factor GCF of 10 and four
Pani-rosa [81]

Answer:

Take the numbers 50 and 30. Their greatest common factor is 10, since 10 is the greatest factor that both numbers have in common. To find the GCF of greater numbers, you can factor each number to find their prime factors, identify the prime factors they have in common, and then multiply those together.

Step-by-step explanation:


3 0
3 years ago
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When adding and subtracting numbers do you add and subtract the denominator​
NNADVOKAT [17]

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No, you don't.

Step-by-step explanation:

The denominator only changes if you're multiplying/dividing. You may need to create an <em>equivalent fraction</em> to add the fractions together, but you <em>don't</em> add or subtract the denominator.

Hope this helps! Have a great day!

4 0
3 years ago
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Find the slope of the line that passes through (-11, 75) and (27, -9).
Marrrta [24]

Answer:

\frac{y__2-y__1}{x__2-x__1}

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x = 27-(-11) = 27 + 11 = 38

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5 0
2 years ago
-2/3 divided by (-1/2)
denis23 [38]

Answer:

4/3

Step-by-step explanation:

multiply by the reciprocal

-\frac{2}{3} × -\frac{2}{1} = \frac{4}{3}

7 0
3 years ago
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Brett is 75 feet from the base of a building. he measures the angle of elevation to the top of the building and records it as 80
SashulF [63]
This is the concept of trigonometry, we are required to calculate the number of floors the building has given the information above;
# floors=[height of the building]/[height of each floor]
height of each floor=17 ft
let the height of the building be,h.
h is given by;
tan theta=opposite/adjacent
theta=80
opposite=h
adjacent=75 ft
thus
tan 80=h/75
h=75 tan 80
h=425.35 ft
thus the number of floors will be:
425.35/17
=25.020≈25 floors


8 0
3 years ago
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