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Vera_Pavlovna [14]
3 years ago
9

Miss Collins but two dozen rulers for $2.25 how much to each ruler cost

Mathematics
1 answer:
pychu [463]3 years ago
6 0
Each ruler would cost about 9 cents 
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What is the circumference of circle P?<br><br> Express your answer in terms of π.
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Answer:

Circumference of a circle= 2\pi r

Step-by-step explanation:

The circumference of any circle is the total length of its boundary which can be calculated by the formula:

                Circumference of a circle= 2\pi r

               Where 'r' is the radius of the circle

For, the given circle the circumference can be find in terms of \pi  by putting some value of radius in the formula, which gives the circumference in terms of \pi.

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Which expression has the value of 4
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Factorise fully 2x^2-8x
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2x(x-4)

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If f(x) = 3x - 2 and g(x) = 2x+1, find (f+ g)(x).<br><br> A. 5x-1<br> B. X-3<br> c. 5x-3<br> D. X-1
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A. 5x - 1

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  3x - 2

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Lisle bought 38 pounds of red grapes and 512 pound of green grapes how many pounds of Grapes did he buy
Svet_ta [14]

Answer:

19/24

Step-by-step explanation:

From the question we are informed that Lisle bought 3/8 pounds of red grapes and 5/12 pound of green grapes

✓3/8 pounds of red grapes and 5//12

✓First thing to do is to add the fractions

But we need " the least common denominator" because their denominator are not the same, we need to make it the same...

✓ The two denominator ( 8 and 12) are both factor of 24, therefore their "least common denominator" is 24.

✓To make 3/8 pounds of red grapes has a denominator of 24, we multiply both the denominator & numerator with factor of 3.

3/8 = (3×3)/(8×3)=9/24

✓To make 5/12 pounds of green grapes has a denominator of 24, we multiply both the denominator & numerator with factor of 2.

5/12= (5×2)/(12×2)= 10/24

✓ we can see they both have the same denominator, then we can now "add both denominators"

(9+10)=19

✓ Then place the addition of the denominators on the least common denominator.

= 19/24.

Therefore, he bought 19/24 of grapes

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