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Harlamova29_29 [7]
3 years ago
7

A right triangle is shown below: the area of the triangle above will equal one half of a rectangle that is 5 units long and_ uni

ts wide. (input whole numbers only such as 8) answer quick please!! pic below
Mathematics
2 answers:
navik [9.2K]3 years ago
5 0
The area of the triangle above will equal one half of a rectangle that is 5 units long and 3 units wide.
The area of the triangle is 7.5 units and the area of the rectangle is 15 units
yanalaym [24]3 years ago
5 0
The answer would be 3 units wide, because the triangle is 3 feet tall.

Same for length, the answer would be 5, because the triangle is 5 feet in length.

If you also want to find the area, (3*5)/2 would give us 7.5, which is the area!

Hope this helped. c:
You might be interested in
Watching tv: in 2012, the general social survey asked a sample of 1310 people how much time they spend\t watching tv each day. T
garik1379 [7]

Answer:

a) Null hypothesis:\mu \geq 3  

Alternative hypothesis:\mu < 3  

This hypothesis test is a left tailed test.

b) t=\frac{2.8-3}{\frac{2.6}{\sqrt{1310}}}=-2.784  

The p value for this case can be calculated with this probability:  

p_v =P(z  

We can conduct the test with the Ti84 using the following steps:

STAT>TESTS>T-test>Stats

We input the value \mu_o =3, \bar X= 2.8, s_x = 2.6, n=1310 and for the alternative we select < \mu_o. Then press Calculate.

And we got the same results.  

Step-by-step explanation:

Information given

\bar X=2.8 represent the sample mean

s=2.6 represent the population standard deviation  

n=1310 sample size  

\mu_o =3 represent the value to test

\alpha=0.5 represent the significance level for the hypothesis test.  

t would represent the statistic

p_v represent the p value for the test

Part a) System of hypothesis

We want to test if the true mean is less than 3, the system of hypothesis would be:  

Null hypothesis:\mu \geq 3  

Alternative hypothesis:\mu < 3  

This hypothesis test is a left tailed test.

Part b

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

Replacing the info given we got:

t=\frac{2.8-3}{\frac{2.6}{\sqrt{1310}}}=-2.784  

The p value for this case can be calculated with this probability:  

p_v =P(z  

We can conduct the test with the Ti84 using the following steps:

STAT>TESTS>T-test>Stats

We input the value \mu_o =3, \bar X= 2.8, s_x = 2.6, n=1310 and for the alternative we select < \mu_o. Then press Calculate.

And we got the same results.  

3 0
3 years ago
I'm not sure how to start the process....
lesantik [10]
Step 1; both side divide by 4, you'll get Ix-10I=8
step 2: x-10=8 or x-10=-8
x=18 or x=2
3 0
3 years ago
Plz help me answer this it is solving combinations
olga2289 [7]
I dont believe there are any

7 0
3 years ago
Please help :) Please and thank you :D
Olin [163]

Answer I think the first one

Step-by-step explanation:Hope this helps

4 0
3 years ago
Evaluate the expression for x=5, y=-3 and z=7<br> 7 - 3y – 3z
andrew11 [14]

Answer:

Step-by-step explanation:

7 - 3(-3) - 3(7) = 7 + 9 - 21 = 16 - 21 = -5

7 0
3 years ago
Read 2 more answers
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