3 years ago

What is a multiple of 7 and is also a factor of 7

Mathematics

1 answer:

olga2289 [7]3 years ago

4 0

28 is a multiple of 7 and also a factor of seven!

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Find the permeter of a quadrilateral with vertices at C (2,4), D(1,1), E(5,0), and F(3,4). Round your answer to the nearest hund

denpristay [2]

Answer:

12.76

Step-by-step explanation:

This is much easier to solve if you draw it out on a graph. The perimeter is the sum of all the sides. I used the Pythagorean theorem to find the hypotenuse.

${a}^{2} + {b}^{2} = {c}^{2} \\ c = \sqrt{ {a}^{2} + {b}^{2} }$

$dc = \sqrt{ {3}^{2} + {1}^{2} } = \sqrt{10} \\ cf = 1 \\ fe = \sqrt{ {4}^{2} + {2}^{2} } = \sqrt{20} \\ de = \sqrt{ {1}^{2} + {4}^{2} } = \sqrt{17} \\ \sqrt{10} + 1 + \sqrt{20} + \sqrt{17} = 12.76$

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I work in a warehouse, I pick 30 lines in 30 minutes. how many lines total will that be for 8 hours

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It takes you 1 minute 40 seconds to walk 550 feet. What is your average speed?

erica [24]

Answer:

5.5 feet per second or 330 feet per minute

Step-by-step explanation:

550/100 seconds = 5.5 feet per second

5.5 x 60 = 330 feet per minute

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Which statement is true about lines a and b?

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If they intersect at a 90 degree angle it’s B. If they never intersect if they continued for ever it’s A. If they intersect but it’s not at a 90 degree angle it’s D.

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After 5 tests Dara's average score was 88 what score must she average on the next two tests to have a seven-test average of 90?

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