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Colt1911 [192]
2 years ago
6

a new set of slalom water skis is priced at 315.90, which is 9/10 of the original price. find the original price of the water sk

ies?
Mathematics
1 answer:
Reil [10]2 years ago
6 0
\frac{315.90}{x} =  \frac{9}{10}

So, cross multiply and you get 3159.0 = 9x.
Divide by 9 to get $351.00
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A building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18 \pi18π18, pi
katrin [286]

The area of the cross section of the column is 18 \pi \ m^2

Explanation:

Given that a building engineer analyzes a concrete column with a circular cross section.

Also, given that the circumference of the column is 18 \pi meters.

We need to determine the area of the cross section of the column.

The area of the cross section of the column can be determined using the formula,

Area= \pi r^2

First, we shall determine the value of the radius r.

Since, given that circumference is 18 \pi meters.

We have,

2 \pi r=18 \pi

   r=9

Thus, the radius is r=9

Now, substituting the value r=9 in the formula Area= \pi r^2, we get,

Area = \pi (9)^2

Area = 81 \pi

Thus, the area of the cross section of the column is 18 \pi \ m^2

5 0
2 years ago
Create a set of data that contains 11 test scores and satisfies each condition below:Mean: 83Median: 81Mode: 80Range: 26
Lunna [17]

64 78 80 80 80 81 81 82 83 89 90 Not ecaxt but close, it should help atleast, everything is right except mean

4 0
2 years ago
Below is how many wild unicorns live in each of the six enchanted forests on Mystical Island.
zlopas [31]

Answer:

The histogram of the data is attached below.

Step-by-step explanation:

A histogram is a demonstration of statistical data that uses bars to illustrate the incidence of data values in successive numerical intervals of same size. In the most basic form of histogram, the independent variable is marked along the x-axis and the dependent variable is marked along the y-axis.

The data provided is:

X   Frequency

1           12

2           3

3           7

4           9

5          18

6          14

The histogram of the data is attached below.

5 0
2 years ago
As part of a community service project at your high school, you are organizing a fund-raiser at the neighborhood movie theater.
kirill115 [55]
So the questions ask to write an equations that shows how much money will be donated and then solve. So let Y be the amount of money and X will be the number of people attending. So the equation would be y=(10-5.5)X so the answer would be Y=2250. I hope you are satisfied with my answer and feel free to ask for more 
8 0
2 years ago
Read 2 more answers
In ΔGHI, the measure of ∠I=90°, IG = 6.8 feet, and HI = 2.6 feet. Find the measure of ∠G to the nearest degree.
Luda [366]

Answer:

\angle G=20.8\approx 21^{\circ}

Step-by-step explanation:

Given: In ΔGHI, \angle I=90°, IG = 6.8 feet, and HI = 2.6 feet

To find: \angle G

Solution:

Trigonometry defines relationship between the sides and angles of the triangle.

For any angle \theta,

tan\theta = side opposite to \theta/side adjacent to \theta

In ΔGHI,

tan G=\frac{HI}{GI}

Put HI=2.6  \,\,feet\,,\,GI=6.8\,\,feet

So,

tan G=\frac{2.6}{6.8}=0.38

Therefore, \angle G=20.8\approx 21^{\circ}

Download pptx
3 0
2 years ago
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