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Savatey [412]
2 years ago
13

Please help equation below

Mathematics
1 answer:
qaws [65]2 years ago
7 0

Answer:

3y √21 + 2 y√15

Step-by-step explanation:

To simply, we open up the bracket

We have this as;

√(189y^2) + √60y

= 3y √21 + 2 y√15

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PLZ quick!! It's not hard (except for me)
sweet [91]

Step-by-step explanation:

-(75×338,2) solución -25,365

4 0
2 years ago
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Pls help I’ll brainlest ASAP and add extra points I’m failing
Step2247 [10]

Step-by-step explanation:

you drew already the right things, you have everything.

so, what is the problem ?

the most common form of line equation is

y = ax + b

a is the slope of the line. it is expressed as the ratio

y coordinate change / x coordinate change

when going from one point to the other.

b is the y-intercept (the y value when x = 0).

once we have the slope, we get b by using the coordinates of one of the given points as x and y in the equation and solve for b.

so, for the 2 marked points you showed correctly the differences :

x changes by +8 (from -4 to 4).

y changes by -2 (from 3 to 1).

so the slope is -2/+8 = -1/4

the y-intercept we also see directly in the chart : +2.

3 0
2 years ago
2. Which two line segments are skew? <br> DE and GE<br> El and GK<br> GK and DH<br> Hi and DF
ludmilkaskok [199]

Answer:

2nd option i think

Step-by-step explanation:

bro i highly doubt your in high school and look like that like naw

6 0
1 year ago
Which of the following statements are not true in developing a confidence interval for the population mean?
frutty [35]

Answer:

b) The width of the confidence interval becomes narrower when the sample mean increases.

Step-by-step explanation:

The confidence interval can be calculated as:

\bar{x} \pm \text{Test Statistic}\displaystyle\frac{\sigma}{\sqrt{n}}

a) The width of the confidence interval becomes wider as the confidence level increases.

The above statement is true as the confidence level increases the width increases as the absolute value of test statistic increases.

b) The width of the confidence interval becomes narrower when the sample mean increases.

The above statement is false. As the sample mean increases the width of the confidence interval increases.

c) The width of the confidence interval becomes narrower when the sample size n increases.

The above statement is true as the sample size increases the standard error decreases and the confidence interval become narrower.

8 0
3 years ago
Find the 25th term of the arithmetic sequence.
dybincka [34]
The answer is -80, i have done all the math and -80 is the answer
8 0
3 years ago
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