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Lynna [10]
3 years ago
13

Please help me I’m just learning this

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

64 cm^2

Step-by-step explanation:

Area of Shaded Region = Area of Parallelogram - Area of Rectangle

Area of Parallelogram = 10 * 7 = 70

Area of Rectangle = 2 * 3 = 6

70 - 6 = 64 cm^2

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Solve for x, -4(x+3)=-12-4x
stira [4]
There is No Solution
8 0
2 years ago
Lines m and p are perpendicular if the slope of line m is -3 what is the slope of line p
fenix001 [56]

If thei are perpendicular their slopes will be the opposite inverse of each other, so if the slope of line m is -3 the slope of line p will be [(-3).(-1)]^{-1} = 3^{-1}=\frac{1}{3}

3 0
3 years ago
Three boys were running around the track. The first can run 1 lap in 15 min. The second can run 1 lap in 25 min. and the third c
Juliette [100K]

Answer:

At 15:15

Step-by-step explanation:

Given,

the 1st boy can run a lap in 15 minutes

the 2nd boy can run a lap in 25 minutes

the 3rd boy can run a lap in 10 minutes

Now if they start running at 12:45,they will meet after the time which will be equal to the L.C.M. of their time need to run a lap.

L.C.M. of 15,25 & 10 = 150

So,they will pass each other after 150 minutes or 2 hours & 30 minutes.

If we add it with 12:45 we'll get 15:15 or 3:15 pm

3 0
3 years ago
Helllllllp please ASAP​
fgiga [73]

Answer:

The second one

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
There are 4 identical wooden blocks that are 20 inches long, 2 inches
Talja [164]

Answer:

Step-by-step explanation:

Each block has two 20×1 faces, two 20×2 faces, and two 2×1 faces.

Surface area of one block = 2(20×1) + 2(20×2) + 2(2×1) = 124 sq in

Total surface area = 4(124) = 496 sq in.

Largest surface area: Assemble the blocks end-to-end into a block that is 80 by 2 by 1. Six of the 2 by 1 faces are hidden, so the surface area is 496 - 6(2×1) = 484 sq in.

Smallest surface area: Assemble the blocks into a block that is 20 by 4 by 2. Four of the 20 by 2 faces and four of the 20 by 1 faces are hidden, so the surface area is 496 - 4(20×2) - 4(20×1) = 256 sq in.

Difference in surface area = 484-256 = 228 sq in.

3 0
3 years ago
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