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HACTEHA [7]
2 years ago
5

Pls help me with this ..I will give brainlliest​

Mathematics
1 answer:
lina2011 [118]2 years ago
3 0

Answer:

1. c Volume

2. d cubic units

3. b surface area

4. c 2(18*7) 2(17*7) 2(18*7)

5. not sure sorry

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Give examples of a 100% increase, 100%<br> decrease, and 100% error. Explain each.
lakkis [162]

Answer:

100% increase from 100 is 200, the difference is 100.

100% decrease from 100 is 0, the difference is -100

error means that you were quite a long way off from the true value.

4 0
3 years ago
Please help if you can!!!!
storchak [24]

Answer:Well, I don't know what you got so I can't tell you if it is right.

If it works in both equations, it depends of whether your equations are set up correctly.

Here is how I would do this problem.

Let x = no. of hot dogs,y = number of sodas.

First equation is just about the number of things.

x + y = 15

Second equation is about the cost of things.

1.5 x + .75 y = 18

solve x+y = 15 for y  y = 15-x    substitute into second equation

1.5x + .75(15 - x) = 18    

You should get the correct answer for number of hot dogs if you solve this correctly.  Put your answer in the x + y =15 equation to get y.  Then put both x and y into the cost equation and check your answer.

Hope this helps.

Step-by-step explanation:

5 0
3 years ago
Marking brain list..
Margaret [11]

Answer:

C

Step-by-step explanation:

You do 8 by 13 which is 104 now multiply that by 3 which is 312 then divide by 2 because it triangular

7 0
3 years ago
Thirty-two cyclists make a seven-day trip. Each cyclist requires 8.33 kilograms of food for the entire trip. If each cyclist wan
kvasek [131]

Answer:

76.16 kilograms of food

Step-by-step explanation:

Number of cyclist = 32

Food per cyclist = 8.33 kilograms

Days of the trip = 7 days

Food per cyclist per day = 8.33 kg / 7

= 1.19kg food per day for each cyclist

how many kilograms of food will the group be carrying at the end of Day 5?

5 days out of 7 days = 2 days

Each cyclist will have to carry = 2 × 1.19 kg of food for the remaining two days

= 2 × 1.19

= 2.38 kilograms of food for two days

32 cyclist for 2 days = 32 × 2.38 kg of food

= 76.16 kilograms of food

The group will be carrying 76.16 kilograms of food at the end of Day 5

3 0
3 years ago
6th grade math ! C: help please
densk [106]

Answer:

9

Step-by-step explanation:

45 Cookies... 5hrs

? cookies... 1 hr

45 ÷ 5 = 9

9 cookies per hour

7 0
3 years ago
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