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Ostrovityanka [42]
3 years ago
11

How do you find the area of a triangle?

Mathematics
2 answers:
Doss [256]3 years ago
8 0
Its base × hight / 2
guapka [62]3 years ago
7 0
The formula to find the area of a triangle is

\frac{h_{b}b }{2}

If you have any more questions let me know!
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Convert 3/8 to its decimal form and round to the nearest thousandths
dsp73

Answer:

.375

Step-by-step explanation:

plug it into calc.

3 0
3 years ago
Read 2 more answers
What is the most precise name for quadrilateral ABCD with vertices A(-4, -4), B(-4, -2), C(-1, -2), and D(-1, -4)?
baherus [9]
D a rectangle because it has four sides easy for abcd
5 0
3 years ago
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Point (-4,-8) Reflected across the x-axis
kkurt [141]

Answer:

(-4 , 8)

Step-by-step explanation:

The x-axis is the horizontal line. In this case, if you are reflecting over the x-axis, you are flipping the sign of the y-coordinate.

Same with the y-axis. If you are reflecting over the y-axis, you are flipping the sign of the x-coordinate.

In this case, reflect across the x-axis. Flip the sign of the y: (x , y)

(-4 , -8) reflected over the x-axis is (-4 , 8).

~

8 0
3 years ago
A professor believes the students in a statistics class this term are more creative than most other students attending the unive
djverab [1.8K]

Answer:

Correct option: B

Step-by-step explanation:

The professor can perform a One-mean <em>t</em>-test to determine whether the average score of the students in his class is more than the average score of all the students attending university.

A <em>t</em>-test will be used instead of the <em>z</em>-test because the population standard deviation is not provided instead it is estimated by the sample standard deviation.

The hypothesis for this test can be defined as follows:

<em>H₀</em>: The average score of the students in his class is not more then the entire university, i.e. <em>μ ≤ 35</em>.

<em>Hₐ</em>: The average score of the students in his class is more then the entire university, i.e. <em>μ > 35</em>.

Given:

\bar x=40\\SE_{\bar x}=1.63

The test statistic is:

t=\frac{\bar x-\mu}{SE_{\bar x}}=\frac{40-35}{1.63}=3.0674\approx3.07

Thus, the correct option is (B).

4 0
3 years ago
A bicyclist rides 1/5 mile in 1/65 hour. Write this rate as a unit rate.
andrey2020 [161]
1/5 over 1/65 hour. as in 1/5 divided by 1/65 hr

4 0
3 years ago
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