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Elan Coil [88]
3 years ago
12

How are Ratios,rates and unit rates used to solve problems?

Mathematics
2 answers:
insens350 [35]3 years ago
6 0

Answer:

hope u understand

Step-by-step explanation:

Unit rates can conveniently be multiplied by any desired number in order to answer questions about differently scaled questions. E.g. If three marbles cost 30 cents, how much will eleven marbles cost?

A unit rate is a ratio such as 30 cents : 3 marbles = 10 cents per (1) marble, after doing the division.

umka2103 [35]3 years ago
5 0

Answer:

ratios, rates, and unit rates can be used to solve how much of something there is compared to another thing.  Ex: There are 3 times the amount of apples compared to oranges.  How many apples are there if you have 2 oranges?  For a ratio, you would make it 3:1.  Then substitute the 1 for 2.  For a rate, you would make it 3 apples per oranges.  Then do the same thing you would do for the ratio.  Unit rates work the same way.

Step-by-step explanation:

sorry if this isn't the answer you were hoping for, but I tried

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Please help, I’m struggling
Naddika [18.5K]

Answer:

49.5 mi

Step-by-step explanation:

Area of a triangle is   A = (height) X (base) / 2

So if you plug in the numbers you get:

806.9 = (32.6) X (base) / 2

1613.8 = (32.6) X (base)

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3 years ago
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Answer:

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Mrs. Summers polled the students in her 7th and 8th grade classes to determine the number of pets each student has at home. The
Burka [1]

Answer:

There are 32 kids in Mrs. Summers's class. The percentage is 5.30% of kids have one pet. 6 kids have one pet in Mrs. Summer's class.  

                                          I hope this helps :)

Step-by-step explanation:  There are 32 students in the 7th grade/Number of pets

Step-by-step explanation:

Just count all of the x's

8 0
3 years ago
Read 2 more answers
Suppose a triangle has two sides of length 2 and 3 and that angle between these two sides is 60 degrees. What is the length of t
Arturiano [62]

Answer:

Apply cosine rule:

c²=b²+a²-2ba cosC

C= pi/3 = 180/3 = 60 degrees

cosine 60 deg = 0.5

c²=2²+3²-[2×2×3×0.5]

c²=7

c=√7

c=2.645 ;length of third side of angle

Step-by-step explanation:

6 0
3 years ago
Helppp i’m not sure about this one
Gre4nikov [31]

Answer: l×w divided by 2, then subtract the area from the rectangle.

Step-by-step explanation: 7×12=84/2=42

2×3=6

42-6=36

Hope this helps!

8 0
3 years ago
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