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ella [17]
2 years ago
8

Select The correct Description giving brainliest

Mathematics
2 answers:
sdas [7]2 years ago
5 0

Answer:

B I think that is the ans

Assoli18 [71]2 years ago
4 0

Answer:

A is correct

Step-by-step explanation:

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I just need 6, 7, 8, 9, and 10. Please help me if you know how to do this..
goblinko [34]

Answer:

Step-by-step explanation:

#6  

a       n

---- = ----    Solve for a.  Note that if we multiply both sides of this equation by

m       p                                     n

                  m, we get a = m * ----

                                                  p

                                                                                    m*n

                    and this simplifies to a = mn/p or  a = ---------

                                                                                       

#7     Solve mx = np for x.  We want to isolate x on the left side.  Dividing

both sides by m isolates x on the left and adds the divisor m on the right:

                            np

mx = np  =>  x = ------

                              m

#8    Solve c - x = d + r  for x       We want -x alone on the left side.  Accomplish this by subtracting c from both sides, obtaining:

-x = d + r - c.       Now multiply both sides by -1, obtaining x = -d - r + c

7 0
3 years ago
PLEASSSSSEEE HELP A GIRL OUT PLZZ​
eduard

Answer:

B. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

First, put both lines into the same format. In this example, we're going to use y=mx+b format.

x - 4y = -9

-4y = -x + -9

y = (-x + -9) / -4

y = (x+9)/-4

y = (-1/4)x + (-9/4)

y = 3x - 7

If two lines are parallel, they have the same slope. (ie 4 and 4)

If two lines are perpendicular, one line's slope is the negative reciprocal of the other. (ie 4 and -1/4)

Neither is true here.

6 0
2 years ago
Complete the chart to find the mean, variance, and standard deviation. Remember to use commas and round numbers to the nearest t
vitfil [10]

Answer: The mean of the data is 433.75, variance of the data is 99667.19 and the standard deviation of the data is 315.7011.

Explanation:

The given data is 900, 35, 500 and 300.

The number of observation is 4.

Formula of mean is,

\text{Mean}=\frac{\text{Sum of observations}}{\text{Number of observations}}

\bar{X}=\frac{900+35+50+300}{4} =433.75

The formula of variance is given below,

\sigma^2=\frac{1}{n}\sum{(X-\bar{X})^2}

\sigma^2=\frac{398668.75}{4}

\sigma^2=99667.19

The variance of the data is 99667.19

\sigma=\sqrt{99667.19}

\sigma=315.7011

The standard deviation of the data is 315.7011.

The other information or values of given chart is shown in the attached table.

8 0
3 years ago
Read 2 more answers
jodie made 8 sandwiches and cut each one into 4 equal pieces to make finger sandwiches. she wants to divide the finger sandwiche
cricket20 [7]
8 sandwiches cut into 4 pieces each gives you 32 pieces.
32 pieces divided into 2 plates equals 16 on each plate.

8×4 = 32
32/2=16
4 0
2 years ago
Read 2 more answers
I need help with geometry
satela [25.4K]

Answer:

45 is the answer

Step-by-step explanation:

first you have to know the sum of interior angle of that pentagon (540)

then add the all angle.

148 + x + 112 + 90 + 3x + 10 = 540.

or, 360 + 4x = 540

or, 4x = 540 - 360

or, 4x = 180

or, x = 180/4

or, x = 45

hope it will help you☺✌

6 0
2 years ago
Read 2 more answers
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