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2 years ago

PLEASE HELP ME!!! AWARDING BRAINLIEST!!! MATHEMATICS

Mathematics

2 answers:

Troyanec [42]2 years ago

8 0

6x-6

Step-by-step explanation:

add both equations together, then multiply that by 2

2*(2x+3+x-6)

Murrr4er [49]2 years ago

6 0

Answer:

6x and -6

Step-by-step explanation:

2x+3 * 2 4x+6

x-6 * 2 = 2x-12

4x+6 + 2x-12 = 6x and -6 inches

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Simpl following 12mn+4m²n-3mn+2m²n

almond37 [142]

Answer:

9m+6m^2n

Step-by-step explanation:

12mn-3mn=9mn

4m^2n+2m^2n=6m^2n

==> 9m+6m^2n

or rewrite as 3m(3+2mn)

5 0

2 years ago

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hodyreva [135]

I think the answer is ( 28 degrees

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A random variable r is normally distributed with a mean of 7 and a standard deviation of 1.5. Find the value of w so that P (8.8

a_sh-v [17]

Answer:

The answer is explained below

Step-by-step explanation:

Given that:

mean (μ) = 7 and standard deviation (σ) = 1.5.

The z score is used in statistic used to measure the number of standard deviation by which the raw score is above or below the mean value. It is given by:

$z=\frac{x-\mu}{\sigma}, where\ x\ is\ the \ raw\ score$

To find the Probability that x < 8.8, we first find the z score using:

$z = \frac{x-\mu}{\sigma}=\frac{8.8-7}{1.5}=1.2$

From the z tables, P(x < 8.8) = P(z < 1.2) = 0.8849 = 88.49%

4 0

2 years ago

Sonia read 2 pages of book per minute. If sonia read all the pages of the book at the same rate, which equation shows the tital

Fudgin [204]

2x=y
two times the number of minutes = the amount of pages

5 0

2 years ago

CDs costs $4 each and DVD cost $8 each.

Licemer1 [7]

Answer:

0 and 4

1 and 3

2 and 2

3 and 1

4 and 0

Step-by-step explanation:

If you need 4 gifts and you want to spend less than $40, then you could buy

1 cd+ 3 dvds for $25

2 cds + 2 dvds for $24

3 cds + 1 dvd for $20

4 cds and 0 dvds for $16

0 cds and 4dvds for $32

Any of these solutions will work

8 0

2 years ago