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3 years ago

11

A coffee shop sells a ceramic refill mug for $8.95. Each refill cost $1.50. Last month rose spent $26.95 on a mug and refills. H

ow many refills did she buy?

1 answer:

raketka [301]3 years ago

4 0

Answer:

12 refills

Step-by-step explanation:

$26.95-$8.98=$18 left after buying a refill mug

18/1.5=12 the refills she can buy

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13=2f+5 f=two step equation

stepan [7]

2f+5=13 subtract 5 from both sides

2f=8 divide both sides by 2

f=4

6 0

3 years ago

olga nikolaevna [1]

Answer:

Fraction of the original board left = $\frac{2}{15}$

Step-by-step explanation:

Let the length of the board is = l feet

Marty saws off $\frac{1}{5}$ of a wooden board.

Length of the board left = l - $(\frac{1}{5})l$

= $(\frac{4}{5})l$ feet

He saws off $\frac{3}{4}th$ of the remaining board,

Board left = $(\frac{4}{5})l-[(\frac{4}{5})l\times (\frac{3}{4})]$

= $\frac{4}{5}l-\frac{3}{5}l$

= $\frac{1}{5}l$ feet

He finally saws off $\frac{1}{3}$ rd of the remaining board.

Board left = $\frac{1}{5}l-[\frac{1}{5}\times \frac{1}{3}]l$

= $(\frac{1}{5}-\frac{1}{15})l$

= $\frac{2}{15}l$ feet

Fraction of the original board left = $\frac{\frac{2}{15}l}{l}$

= $\frac{2}{15}$

6 0

3 years ago

The value of y varies directly as x, and y is 10 when x is 5. What is the value of y when x is 4?

Ksenya-84 [330]

Answer:

8.

Step-by-step explanation:

As seen in the pattern y seems to be two times x so 4 x 2 = 8.

Hope that helps

8 0

3 years ago

fomenos

for -2 is 0

for -1 is 0

for 0 is 6

for 2 is 1

for 3 is 2

<h3>Answer: {(-2, 0), (-1, 0), (0, 6), (2, 1), (3, 2)}</h3>

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3 years ago

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Which function has a constant additive rate of change of –1/4? A coordinate plane with a straight line with a negative slope. Th

pickupchik [31]

Answer:

a) ◇G = ◇H - T◇S wiĺl be negative.

b) It will be a spontaneous reaction.

Explanation:

As ◇H is less than 0 and T◇S is greater than 0 so if we put it in the equation we would get the negative maximum result. And when the energies are with negative sign they are said to be spontaneous.

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3 years ago

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