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Debora [2.8K]
4 years ago
13

Find the height of a triangle with an area (A) of 35 square inches and base of 7 use the formula A= 1/2bh

Mathematics
1 answer:
slega [8]4 years ago
5 0

Answer:

D. 10

Step-by-step explanation:

Since you divided by 2. You want to multiply to go back wards.

35×2=70

They already give you base(b=7) so to find the height you need to divide to go backwards since you multipled bh.

70÷7=10

now plug it in to see if the equation is right.

35= 1÷2 (7×10)

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4. Compare/contrast the data sets below. Which data set has a range of 9, a mean of
VladimirAG [237]

Let's first find the mode of each data set.

Mode = the largest value - the smallest value.

A. 20 - 11 = 9

B. 31 - 5 = 26

C. 20 - 11 = 9

D. 15 - 6 = 9

B fails because its mode does not equal 9.

Let's find the mean of A, C, and D

The mean = the sum of all data values divided by the number of data values.

A. (11 + 11 + 13 + 15 + 20) / 5 = 14.2

C. (11 + 11 + 14 + 19 + 20) / 5 = 15

D. (6 + 10 + 14 + 15 + 15) / 5 = 12

Options A and D fail because their mean does not equal 15.

Let's find the median and mode of option C

Median = the value which falls into the middle of our data set

11, 11, 14, 19, 20 = 14

Mode = the value which appears most often

In option C, 11 appears twice and every other number appears once, therefore, 11 is the mode.

7 0
3 years ago
Need help question #3. Show steps please
Oksana_A [137]

Answer:

B.

Step-by-step explanation:

We are given:

\displaystyle \int \sqrt{x}\Big(9x^3-2\sqrt{x}+\frac{8}{x}\Big)\, dx

And we want to select its equivalent form.

Note that A is not valid. No integration property allows us to separate factors unless that factor is a constant.

We can simply rewrite and then distribute. First, by rewriting:

\displaystyle =\int x^{1/2}\Big(9x^3-2x^{1/2}+8x^{-1}\Big)\, dx

Distribute. Recall exponent properties;

\displaystyle =\int(9x^{3+1/2}-2x^{1/2+1/2}+8x^{-1+1/2})\, dx

Simplify:

\displaystyle=\int9x^{7/2}-2x+8x^{1/2}\, dx

This can then be separated (since its addition/subtraction) and integrated individually.

Hence, our answer is B.

8 0
3 years ago
The pool table has a height of 7ft. Side one is 18ft and side two is 17 ft. What is the area and perimeter?
prohojiy [21]

Answer:  

area = 2,142

perimeter = 70

Step-by-step explanation:

area = length x width x height

a=18 x 17 x 7

perimeter = all sides added together and assuming it is a rectangle...

p=18 + 18 + 17 + 17

8 0
3 years ago
A computer randomly selects a number from the given set.
Leokris [45]
Best answer would be 4 out of 9 (4/9).  This is in simplest form.  To find probability in this form, find the amount of numbers less than ten (4), then put it over the amount of numbers in the list (9).

Hope this helped :)
If you want to help me out, and you found this answer to be correct, could you mark it as Brainliest? Thanks :)
6 0
3 years ago
A basketball player made 40% of the shots she attempted. She made 32 baskets how many shots did she attempt
bogdanovich [222]
Since 40% does not nicely go into 100% you split the 32 baskets she made. (32/2)
This means 16 baskets is 20%. Now that 20% goes nicely into 100% you multiply 16 by 5 and 20 by 5 to get 80.
The basketball player made 80 shot attempts.
5 0
3 years ago
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