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Vera_Pavlovna [14]
3 years ago
6

What is the following simplified: -2(b+6)

Mathematics
2 answers:
vekshin13 years ago
6 0
-2b -12 that is the simplified form of the equation
dedylja [7]3 years ago
3 0
What we have to do here is distribute the -2 through the parenthesis....all that means is multiply -2 by everything in the parenthesis,

-2(b + 6) = (-2 * b) + (-2 * 6) = -2b +(-12) = -2b - 12
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2 years ago
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Rectangle ABCD has vertices at (-7,-2); (1, -2); (1, -8); and (-7, -8) respectively. If GHJK is a similar rectangle where G(2, 5
Gennadij [26K]

Answer:

Points J and K could be located at:

J(2,2)

K(6,2)

Step-by-step explanation:

Consider the vertices have a x and y coordinate:

A: x coordinate=-7  y coordinate=-2

B: x coordinate=1  y coordinate=-2

C: x coordinate=1  y coordinate=-8

D: x coordinate=-7  y coordinate=-8

G: x coordinate=2  y coordinate=5

H: x coordinate=6  y coordinate=5

Then it is possible to calculate the distance between the x and y coordinates:

x coordinate of Vertices AB:

x coordinate of B- x coordinate of A=1-(-7)=8

The distance between A and B is 8

y coordinate of Vertices AC:

y coordinate of A- y coordinate of C=-2-(-8)=6

The distance between A and C is 6

Then we know that the side AB of Rectangle ABCD measures 8 and the side AC, measures 6.

Repeat the analysis  with Rectangle GHJK. In this case, is only possible to calculate the distance with x coordinate.

x coordinate of Vertices GH:

x coordinate of H- x coordinate of G=6-(2)=4

The distance between G and H is 4

We can see that the distance in x of the Rectangle ABCD is 8, and the distance in x of the Rectangle GHJK is 4, it means that <em>the measure of ABCD is twice GHJK.</em>

Then, if the distance in y coordinate of Vertices AC is 6, we could say that the distance in<em> y coordinate of Vertices GJ is 3.</em>

<em />

Points J and K could be located at:

J(2,2)

K(6,2)

3 0
3 years ago
What is obtained by squaring the standard deviation?
anastassius [24]
<h2>Answer:</h2>

Variance

<h2>Step-by-step explanation:</h2>

The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma \sigma, while the variance measures how far a set of  numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as \sigma^{2}

3 0
3 years ago
Find the value if x and if nessesary express your answer as a simplified radical
tekilochka [14]

Answer:

10 rad 3 / 2

Step-by-step explanation:

x = missing angle of the full traingle

180 - (90 + 60) = x

180 - 150 = x

30 = x

10 rad 3 / 2 = x

this is just my understanding of the problem- im sorry if im incorrect

4 0
3 years ago
I need help!!<br> I don’t get it!!
Len [333]

Answer:

170

Step-by-step explanation:

3 0
3 years ago
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