Cayenne bought 20 pencils for 1.60 dollars at that rate how much would 35 pencils cost

Mathematics

1 answer:

yanalaym [24]3 years ago

4 0

35 pencils would cost $2.80,

$1.60 / 20 = $.08
Each pencil costs $0.08 each

.08 * 35 = 2.80

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Which number line models the expression -1 1/4 - (-1/2)

aniked [119]

Answer:

option on c or under the first answer

8 0

3 years ago

The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. Find the width of the rectangle.

Alexandra [31]

The area of the triangle could be determined by multiplying the length and the width. Since, we are given the area and the length, to find the width, you divide the area by the length:

w = A ÷ l
w = (x2 - 2x - 15) ÷ (x+3)

What do you have to multiply to (x+3) to yield x2 - 2x - 15? That would be x - 5. Since the sum of -5 and 3 = -2 (middle term) and the their product is -15 (last term).

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3 years ago

Which pair shows equivalent expressions?

Dmitry_Shevchenko [17]

Which pair shows equivalent expressions?

A.2(2/5x + 2)=2 2/5x + 1

B.2(2/5x + 2)=4/5x + 4

C.2(2/5x + 4)=4/5x + 2

D.2(2/5x + 4)=2 2/5x + 8

Solution:

$2(\frac{2}{5}x + 2)$