3 years ago

792m rounded to 2 significant figures

Mathematics

1 answer:

deff fn [24]3 years ago

8 0

Answer:

790 with a dash over the 9

Step-by-step explanation:

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If P=2L+2W, solve for W.

vodka [1.7K]

Answer:

W = (P-2L)/2

Step-by-step explanation:

Isolate W

P = 2L + 2W

subtract 2L from each side

P - 2L = 2W

divide each side by 2

(P-2L)/2 = W

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3 years ago

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2). What is the distance from A to A'? 2 5 2

stepan [7]

For this case, we have that by definition, the distance between two points is given by:

$d = \sqrt {(x_ {2} -x_ {1}) ^ 2+ (y_ {2} -y_ {1}) ^ 2}$

We have to:

$A: (x_ {1}, y_ {1}) = (- 2,3)\\A ':( x_ {2}, y_ {2}) = (x + 4, y + 2) = (- 2 + 4, 3 + 2) = (2,5)$

Substituting:

$d = \sqrt {(2 - (- 2)) ^ 2+ (5-3) ^ 2}\\d = \sqrt {(4) ^ 2 + (2) ^ 2}\\d = \sqrt {16 + 4}\\d = \sqrt {20}$

Answer:

$d = \sqrt {20}$

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4 years ago

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The measure of an obtuse angle is 5y + 45 what are the restrictions on y?

Allushta [10]

5y+45=180
5y=135
y=135/5
y=27

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4 years ago

Mr.Johansen is cutting construction paper for An art project. He has 24 students and six large pieces of construction paper.

swat32

Answer:

24/6 = 4 pieces

Step-by-step explanation:

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3 years ago

Caleb scored 60 on his first math test. He studied diligently for the next test and earned a score of 90. What is his percent of

Scrat [10]

Your answer would be C. 50%

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4 years ago