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blsea [12.9K]
2 years ago
14

Use the product to sum formulas to write the product as a sum or difference

Mathematics
1 answer:
alina1380 [7]2 years ago
6 0
Ok can you please show the formula or give more information please
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Discount City gives a 15% discount on all merchandise on Tuesdays. The sales tax
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Answer: f(x)=.85x

i think..

Step-by-step explanation:

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There are 4 veggie pizzas for every 5 cheese pizzas. How many cheese pizzas are there if 108 pizzas total are ordered?
kirill [66]
I believe the answer is 60
4 0
2 years ago
Someone tell me how to do this
Yuri [45]

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
90 students take a test.
Anika [276]

Answer:

Step-by-step explanation:

If there are 90 students and the ratio of boys to girls is 3:2, that means 3x+2x=90

Combine like terms: 5x=90

x=18

2x (girls)=36

3x (boys)=54

1/3 of the boys scored full marks, so 54/3=18 boys scored full marks

The number of girls who scored full marks is half of the number who did not score full marks means that 1/3 of the girls scored full marks. 36/3=12, so 12 girls scored full marks.

(I don't know what the question is sorry if it's incorrect but there's not enough information)

Hope this helps!

5 0
2 years ago
Staples recently charged $3.79 per ream (package of 500 sheets) of regular paper and $5.49 per ream of paper made of recycled fi
Ipatiy [6.2K]
<h3>Given</h3>

regular paper costs $3.79 per ream

recycled paper costs $5.49 per ream

$582.44 was spent for 116 reams

<h3>Find</h3>

the numbers of reams of each type that were purchased

<h3>Solution</h3>

Let r and g represent the numbers of reams of regular and recycled ("green") paper, respectively.

... r + g = 116 . . . . . . . . 116 reams were purchased

... 3.79r + 5.49g = 582.44 . . . . this is the total cost of the purchase

Solve the first equation for r and substitute that into the second equation.

... r = 116 - g

... 3.79(116 - g) + 5.49g = 582.44 . . . . . use the expression for r

... 1.70g + 439.64 = 582.44 . . . . . . . . . simplify

... g = (582.44 -439.64)/1.70 = 84 . . . . subtract the constant, divide by 1.70

... r = 116 -84 = 32 . . . . . . . . . . . . . . . . . use the equation for r

32 regular reams and 84 recycled reams were purchased

3 0
3 years ago
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