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yanalaym [24]
3 years ago
14

IM DESPERATE! PLEASE PLEASE PLEASE PLEASE HELP!!!

Mathematics
1 answer:
Maslowich3 years ago
6 0

Answer:

1. Obtuse angle

2. Acute angle

3. Right angle

4. Right angle

5. Right angle

You might be interested in
If a girl lifts a load of 60N to a height of 3m, find work. ​
taurus [48]

Let the mass of the object exists at 60 N and the height exists at 3m then work

exists in 1764.

What is work?

The work done by a force exists determined to be the product of a component of the force in the direction of the displacement and the magnitude of this displacement.

Work can be estimated by multiplying Force and Distance in the direction of force as follows.

W = F × d. Unit.

Given data:

m = mass of the object = 60 N

h = height = 3 m

Work = Fh = mgh

g = gravity = 9.8 m/s²

work = Fh = mgh

= 60*3*9.8

= 1764

Therefore, the work exists in 1764.

To learn more about work refer to:

brainly.com/question/15908595

#SPJ9

5 0
1 year ago
Ellie compared 4/7 and 5/3 by first comparing each fraction to 1/2 and 1.
Sliva [168]

Answer:

Step 3

Step-by-step explanation:

She made her first mistake in Step 3.

This is because 4/7 is actually less than 5/3.

Step 1 and 2 are mathematically accurate.

1/2 is less than 1.

So, since 4/7 is only greater than 1/2 and not greater than 1 as compared to 5/3 which is actually greater than 1, she should have concluded that 4/7 is less than 5/3.

Therefore, Step 3 contains the mistake.

3 0
3 years ago
Plz help i will give brainliest
expeople1 [14]
These are the y intercepts
1. (0, 1/3)
2. (0, 26/3)
5 0
3 years ago
Read 2 more answers
If you want to construct a 90% confidence interval, what critical value (z*) should you use? Group of answer choices 2.576 1.960
Rom4ik [11]

Answer:

For this case we know that the confidence level is 90% so then the significance level is \alpha=1-0.9 =0.1 and \alpha/2 =0.05. And we can find in the normal standard distribution a value who accumulates 0.5 of the area on each tail and we got:

z_{\alpha/2}= \pm 1.645

And the best option would be:

1.645

Step-by-step explanation:

We assume that the parameter of interest is \theta and we can assume that the distribution for this parameter is normally distributed so then the confidence interval assuming a two sided interval is given by:

\hat \theta \pm z_{\alpha/2} SE

Where \hat \theta represent the estimator for the parameter, SE the standard error and z_{\alpha/2} the critical value.

For this case we know that the confidence level is 90% so then the significance level is \alpha=1-0.9 =0.1 and \alpha/2 =0.05. And we can find in the normal standard distribution a value who accumulates 0.5 of the area on each tail and we got:

z_{\alpha/2}= \pm 1.645

And the best option would be:

1.645

6 0
3 years ago
What is equivalent to 7(3x-4)?
notsponge [240]
The answer is 21x-28 hope it helps
5 0
3 years ago
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