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zloy xaker [14]
3 years ago
8

Explanation ASAP please.​

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

Estimate = 1/2(12)(7) = 42 cm²

actual area = 42.25 cm²

Step-by-step explanation:

area = 1/2bh = 1/2(11.9)(7.1) = 42.25 cm²

postnew [5]3 years ago
3 0
Triangle area is 1/2 bh
So 11.9 is about 12, 7.1 is about 7.
7x12 = about 84 sq, cm
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What's the w for sin w=1/7?!
VMariaS [17]
\sin w=\dfrac{1}{7}\\\\
w=\arcsin \left (\dfrac{1}{7}\right)+2k\pi \vee w=-\arcsin \left (\dfrac{1}{7}\right)+\pi + 2k\pi

6 0
3 years ago
the length of a rectangle is 4 times its width. The rectangles perimeter is 68 feet what is the rectangles length and width ??
kodGreya [7K]

Answer:

Length = 27.2

Width = 6.8

Step-by-step explanation:

P = L+L+W+W

68 = 4(L+L)+W+W

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68 = 4x+4x+x+x

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7 0
3 years ago
Transform the following linear equation to the "Aha" line. Give a brief explanation as to what kind of solution(s) you expect th
mote1985 [20]
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3 0
3 years ago
Which answer is right?
yanalaym [24]

Answer:

i think A

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me! Answer in pic not correct !
sladkih [1.3K]

Answer:

Q'=(4,1)\\R'=(6,-5)\\S'=(3,-4)\\T'=(1,-1)

Step-by-step explanation:

First we have to find the coordinates of the original ordered pairs then we will do the translation.

Q=(1,3)\\R=(3,-3)\\S=(0,-2)\\T=(-2,1)

Now we will add 3 to every x value and add a -2 to every y value.

Q=(1_{+3},3_{+(-2)})\\R=(3_{+3},-3_{+(-2)})\\S=(0_{+3},-2_{+(-2)})\\T=(-2_{+3},1_{+(-2)})

When you do that you will get the new prime points.

Q'=(4,1)\\R'=(6,-5)\\S'=(3,-4)\\T'=(1,-1)

8 0
3 years ago
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