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fiasKO [112]
3 years ago
9

Wilson paints 40% of a bookcase in 20 minutes. How much more time will it take him to finish his bookcase

Mathematics
1 answer:
aivan3 [116]3 years ago
8 0
It will take 60 more minutes to complete the entire bookshelf
40%+60%=100% of the bookshelf
20+20+20=60
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Tony has 6 rectangle shaped pieces of wood. He places them down right next to each other. The dimensions of the wood shape are 2
sleet_krkn [62]

Answer: The whole area of all the wood is 36

Step-by-step explanation:

The formula for area of a rectangle is length times width. A=lw

You plug the numbers into the formula: A=2*3 = 6

The area for one piece of wood is 6 ft

If you take multiply one area of wood by the amount of wood - you get the whole area amount of all the wood. So 6*6 = 36.

5 0
3 years ago
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Emma naked a cake for her class she cut the cake into equal size slices after passing out the slices of cake to her friends , th
dalvyx [7]

the answer is 32 because 32×(1/4) or 32/4 is 8 there for 8 is a fourth of 32

6 0
3 years ago
3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d
Alexxx [7]

Expand the right side:

(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)

=ab^2x^3-b^2cx^2-ad^2x+cd^2

Notice that 98 = 2 * 7 * 7, so we have c=2 and d=7.

Then

-ad^2=-147\implies a=\dfrac{147}{49}=3

and

ab^2=3\implies b^2=1\implies b=1

6 0
3 years ago
Which of the following correctly uses absolute value to show the distance between −60 and 13? (5 points)
ioda

A.)|−60 − 13| = |−73| = 73 units is the answer

7 0
3 years ago
Find the slope of (-9,18),(-13,5)
Jet001 [13]

Answer:

3.25

Step-by-step explanation:

The slope formula is slope = y2 - y1 / x2 - x1 and the variables are found by assigning them with their corresponding values. Here, x1 = -9, x2 = -13, y1 = 18, and y2 = 5. Next, substitute these values in and get 5 - 18 / -13 - (-9). This can fully simplify to 13 / 4 or 3.25.

6 0
3 years ago
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