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kotykmax [81]
3 years ago
8

I have never learned this before please help

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0

Answer:

V =165 ft^3

Step-by-step explanation:

V = Bh  Where B is the area of the base and h is the height

B is the area of the triangular base

B = 1/2 (5) *6

B = 15 ft^2

V = 15 * 11

V =165 ft^3

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The correct answer (reported to the proper number of significant figures) to the following is:(1712 - 1615) × (8.66 × 7.66) = __
Ilia_Sergeevich [38]

Answer:

Value of given expression is 6434.5532 and number of significant figures is 8.

Step-by-step explanation:

The given expression is

(1712 - 1615) \times (8.66 \times 7.66)

We need to find the value of given expression.

On simplifying the parentheses we get

(97) \times (66.3356)

On multiplication we get

6434.5532

Therefore, the value of given expression is 6434.5532 and number of significant figures is 8.

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3 years ago
32. What is the perimeter of a regular octagon with a side length of 7 units?
katovenus [111]

Answer:

56

Step-by-step explanation:

solution

Here

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1 year ago
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11) A map of North Carolina is scaled so that 3 inches represents 93 miles. How far apart are Raleigh
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Answer:

Step-by-step explanation:

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2 years ago
A particular model rocket kit uses the scale 1:144. The actual rocket is 168 ft tall. How tall will the model rocket be when com
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Answer:

1.16ft tall.

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168/144= 1.16 ft tall

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7 0
2 years ago
Jon's coin collection consists of quarters, dimes and nickels. If the ratio of quarters to dimes is 5:2, and the ratio of dimes
Margarita [4]

Answer:

The ratio of quarters to nickels is:

  • <u>15:8</u>

Step-by-step explanation:

To solve the exercise, you must first consider how big is the ratio of each one to the other, when it is mentioned that the ratio of quarters to dimes is 5:2 it means that for every 5 quarters, Jon has 2 dimes, for the more quarters there are with respect to the dimes, we simply divide the larger value by the smaller:

  • 5/2 = 2.5

Thus, we know that there are 2.5 more quarters than dimes. Now the following proportion: the ratio of dimes to nickels is 3:4, which means that for every 3 dimes there are 4 nickels, as the nickels are greater in quantity, we are going to see how many times they are greater in proportion than the dimes making again a division of the major over the minor:

  • 4/3 = 1.33333333333 (<em>we are going to use the fractional number so as not to lose decimals</em>).

As we can see, the nickels are a little more than 1 with respect to the dimes, now we are going to create two formulas with those values:

  • <em>q = 2.5d </em>
  • <em>n = 4/3 d</em>

Where:

  • q = quarters
  • d = dimes
  • n = nickels

As you see. We only express the calculated proportions, at first glance you can identify that the number of quarters is greater, but to know how much greater with respect to nickels we are going to divide the two values ​​that accompany "d" in the formulas:

  • <u>2.5 / (4/3) = 15/8</u>

If we express it in ratio as it is in the exercise, we obtain:

  • <u>15:8</u>

So, <u>15:8 is the ratio of quarters to nickels</u>, <em>which means that for every 15 quarters, jon has 8 nickels.</em>

8 0
2 years ago
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