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kolezko [41]
2 years ago
15

Find the diameter of this circle. a. sqrt 10 b. 4 c. 2 d. 2 sqrt 5

Mathematics
1 answer:
Gnom [1K]2 years ago
4 0

Answer:

3 sqrt 5

Step-by-step explanation:

diameter talks about the center of the circle..and the middle of the circle lies between 3 and 5

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What percent of 55 is 34?<br> please help me answer this one it might also help somone else
Kitty [74]
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34 X
---- = ------
55 100
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55x=3400
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8 0
3 years ago
Solve for x <br>40 = x/ -4/7<br> ​
Lena [83]

Answer:

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3 0
2 years ago
Jason decided to look at new trucks. Jason found a used truck for 34,000 dollars. A new truck is 40,000 dollars so what percent
nexus9112 [7]

Answer:

Percent of rise of a new truck on a used truck  = 15%

Step-by-step explanation:

Let x be the percentage of saved money if Jason buying a used truck.

Given:

Price of the used truck = $34,000

Price of the new truck = $40,000

We need to find the percent of rise Jason saves on a used truck rather than buying a new truck

Solution:

Using a percentage formula.

percentage\ cost = \frac{(100-x)}{100}\times Original\ cost

Substitute Percentage cost = 34,000 and Original cost = 40,000 in above formula.

34000 = \frac{(100-x)}{100}\times 40000

34000 = (100-x)\times 400                    (\frac{40000}{100}=400)

Using cross multiplication rule.

(100-x)=\frac{34000}{400}

85=100-x

x = 100-85

x = 15%

Therefore, Jason used 15% rise of a new truck for a used truck.

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3 years ago
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