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nadezda [96]
2 years ago
9

What is the solution to this?? 4x + 12x =320 then using the solution to this do _x=_

Mathematics
1 answer:
kozerog [31]2 years ago
3 0

Answer:

x=20

Step-by-step explanation:

Add like terms:

4x + 12x = 16x

16x = 320

320/16 = 20

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What is (13x + 9k) + (17x + 6k), simplified?
Mazyrski [523]
The answer is 15x+30k
7 0
3 years ago
Let’s assume that human body temperatures are normally distributed with a mean of 98.20° F and a standard deviation of 0.62° F.
uysha [10]

Answer: It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

Step-by-step explanation:

Since we have given that

Mean = 98.20°F

Standard deviation = 0.62°F

If  Bellevue Hospital in New York City uses 100.6°F as the lowest temperature considered to be a fever.

So, \bar{X}=100.6^\circ F

So, using the normal distribution, we first find the value of z.

z=\dfrac{\bar{x}-\mu}{\sigma}\\\\x=\dfrac{100.6-98.2}{0.62}\\\\z=3.87

Since z = 3.87

So, p = 0.0001 =0.1%

So,It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

4 0
3 years ago
forty yards of fabric are used to make 9 school banners. how many yards of fabric does banner use? between what 2 whole numbers
saul85 [17]

Answer:

4 4/9,4 and 5

Step-by-step explanation:

6 0
2 years ago
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Taylor will need cup of raisins
Oduvanchick [21]

Answer:

yes get those raisins taylor

Step-by-step explanation:

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7 0
3 years ago
Its line segment please
joja [24]

Answer:

A) 29

Step-by-step explanation:

DG = GJ

GJ = DG = 4x + 17

DJ = DG + GJ

11x + 25 = 4x + 17 + 4x + 17

11x + 25 = 4x + 4x + 17 + 17    {Combine like terms}

11x + 25 = 8x + 34

Subtract 25 from both sides

11x = 8x + 34 - 25

11x = 8x + 9

Subtract 8x from both sides

11x - 8x = 9

3x = 9

Divide both sides by 3

x = 9/3

x = 3

DG =  4x + 17

     = 4*3 + 17

    = 12 + 17

DG = 29

6 0
3 years ago
Read 2 more answers
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