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ch4aika [34]
4 years ago
14

write the equation of a line in slope intercept form perpendicular to y=2/3x+7 and with a y intercept of 19

Mathematics
1 answer:
Rus_ich [418]4 years ago
5 0

Answer:

y=-3/2+19

Step-by-step explanation:

all you do if it's perpendicular is make the slope the opposite

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A researcher analyzed the results of her data from 30 subjects and calculated the variance of scores at 113.00. What is the stan
Alla [95]

Answer:

10.63

Step-by-step explanation:

Data provided  in the question

Data = 30 subjects

The Variance of scores = 113.00

The calculation of standard deviation is shown below:-

As we know that

Variance = Standard deviation^2

Therefore,

Standard deviation = \sqrt{variance}

=  \sqrt{113}

= 10.63

Therefore for computing the standard deviation we simply applied the above formula.

8 0
3 years ago
Find the value of x. Show all work.
Mashutka [201]

Answer:

x = -8°

Step-by-step explanation:

Angle 2

Since the triangle is isosceles, Angle 2 is the same as the missing angle

So angle 2 would be:

180 - 34 = 2(angle 2)

So 146 = 2(x + 81)

146 = 2x + 162

146 - 2x = 162

-2x = 16

x = -8

Check

146 = 2(-8+81)

146 = 2(73)

146 = 146

Correct!

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

6 0
3 years ago
Read 2 more answers
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matrenka [14]

डर से भी नहीं है कि वो भी नहीं है कि वो लोग तो क्या आप सभी के बाद में भी

Step-by-step explanation:

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8 0
3 years ago
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I need help with 1-11 please
VMariaS [17]
35 is the answer to this equation I think
7 0
3 years ago
Use sigma notation to represent the following series for the first 10 terms. 3+ (-6) +12+(-24)
pshichka [43]

Answer: - 1023

Step-by-step explanation:

Given

Sequence is 3+(-6)+12+(-24)...

The following sequence is a geometric series with common ratio r=-2

first term a=3

Sum=\sum _{i=1}^{n}ar^{n-1}=\dfrac{a(1-r^n)}{1-r}

Sum=\sum _{i=1}^{n}3(-2)^{n-1}=\dfrac{3(1-(2)^10)}{1+2}

Sum=\sum _{i=1}^{n}3(-2)^{n-1}=-1023

5 0
3 years ago
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