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Setler79 [48]
2 years ago
15

William bought 5 rulers for $7.50. If r represents the cost of one ruler, which equation represents this situation?

Mathematics
1 answer:
kkurt [141]2 years ago
3 0

Answer:

5r = 7.50

Step-by-step explanation:

As, the cost of 1 ruler = r

So, r times 5 ruler will give u the cost of 5 rulers, which is 7.50

So, 5r = 7.50

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Helphelphelphelp please
jek_recluse [69]

Answer:

25.12 inch³

Step-by-step explanation:

The volume formula for a cone is 1/3 πr²h

sub in the numbers to get the volume

1/3 x 4 x 3.14 x 6 = 25.12

5 0
2 years ago
A cylindrical can of soup has a diameter of 7 cm and a height of 10 cm. How much soup is in the can, in terms of π?
Natasha2012 [34]

Answer:

B) 122.5π cm3

Step-by-step explanation:

Volume of a cylinder = \pi r^{2} h

r= radius , but we are given diameter or 7cm, radius = diameter/2 =7/2 = 3.5cm

h= height, given as 10cm

\pi = constant

Next, plug in the numbers into the formula;

=\pi *3.5^{2} *10\\ \\ =\pi *12.25 *10\\ \\ =122.5\pi

Therefore, the volume of soup in the can is 122.5\pi cm^{3}

7 0
3 years ago
Read 2 more answers
32. The debate team plans to make and sell trail
Paraphin [41]

Answer:

C

Step-by-step explanation:

The first equation has to be the ratio of raisins to sunflower seeds. If r is raisins and p is sunflower seeds and there are 3 times as many raisins as sunflower seeds then the first equation must be 3r=p

The second equation should model the prices properly. Raisins are 1.5 per pound and sunflower seeds are 4 per pound, because of this we should have 1.5r (r being each pound of raisins) and 4p (p being each pound of sunflower seeds). From this we know the second equation must be 4p+1.5r=34

8 0
2 years ago
Find the slope of the line on the graph.
Delicious77 [7]
The answer would be slope= -5/4

Hope this helps

Have a great day/night

Feel free to ask any questions
8 0
2 years ago
Do you guys know what 12x34 is need a little help
pickupchik [31]
12 times 34 is 408. Hope that helped.
4 0
3 years ago
Read 2 more answers
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