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riadik2000 [5.3K]
3 years ago
10

HELP, 30 POINTS !!

Mathematics
2 answers:
sasho [114]3 years ago
8 0
The first one is S(s-4)=7 , and the Second one is 7
vampirchik [111]3 years ago
6 0

Answer: s(s+4)=7, 7 shelves

Step-by-step explanation:

I think it's easiest to find these type of answers by finding the common factors of a number. First 77, they are 1×77 & 7×11.so you can have 11 rocks on 7 shelves or 7 rocks on 11 shelves. The question states the number or rocks on the shelf is more than the number of shelves, so you must have 11 rocks on 7 shelves. You know you have 77 rocks, so the equation must equal 77. I plugged 7 in for s in the equations to determine the correct answer. 7(7+4)=77.

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At the market, 5 light bulbs cost $9.85. How much do 7 light bulbs cost?
ser-zykov [4K]
First, find what one lightbulb costs.

9.85 / 5 = 1.97

Then multiply the product by 7.

1.97 * 7 = 13.79

Seven light bulbs will cost $13.79
5 0
3 years ago
an ice cream shop manager lowered the price for a single scoop of ice cream from 2.50 to 2.00 what is the precent of decrease in
igomit [66]
2.50-2.00=0.5
2.50/0.5= 5 = 100%
2.00/0.5=4 = 80%
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6 0
2 years ago
HELP! After finding area explain the reasoning you used to find the area and I’ll give brainliest!
UkoKoshka [18]

Answer:

The answer is 180 yds squared.

Step-by-step explanation:

Segment the areas.  One area has the measurements 5 and 6. Then the other one has measurements 15 and 10. This means you get 150 + 30. The answer is 180 yds squared.

4 0
2 years ago
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Rzqust [24]

Answer

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Step-by-step explanation:

8 0
2 years ago
Jennifer is planning a holiday. The hotel costs $60 per night and her flights cost $150. She has a budget of $500 for hotel and
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3 0
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