4 years ago

School sells 2 pencils for 25 cents. what is the constant proportionality of cents per pencil?

Mathematics

1 answer:

timurjin [86]4 years ago

8 0

1 pencils = 12.5 cents.

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Answer:

7.280 k

Step-by-step explanation:

Given that 1 g = 0.001 k

If he uses 520 grams of flour each day for 2 weeks, since there are 7 days in a week, the total weight of flour used in two weeks

= 520 g * 2 * 7

= 7280 g

In kilograms

Since

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7280 g = 7280/1 * 0.001 k

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How many triangles can be formed with segments measuring 6 1/4 in., 10 5/8 in., and 4 1/3 in.?

dsp73

Answer:

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Step-by-step explanation:

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3 years ago

Determine whether The given segments have the same length. Justify your answer

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We know the distance formula is

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

Here A( -4,2) and B(1,4)

So length of AB

= $\sqrt{(1-(-4))^2+(4-2)^2} =\sqrt{5^2+2^2} =\sqrt{29}$

Also C(2,1)

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= $\sqrt{(2-1)^2+(-1-4)^2} =\sqrt{1^2+(-5)^2} =\sqrt{26}$

So we can see that length of AB is not equal to length of BC

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Now AB = $\sqrt{29}$

Also C(2,-1) & D(4,4)

Length of CD

= $\sqrt{(4-2)^2+(4-(-1)) ^2} =\sqrt{2^2+5^2} =\sqrt{29}$

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