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Olin [163]
3 years ago
11

(_x2) + (_x3)=12 In four different ways

Mathematics
1 answer:
il63 [147K]3 years ago
3 0
If you substitute a variable for each blank, for example x*2+x*3 you get 5x=12, which can then be solved to get that x=12/5, so 12/5 is the answer.
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Aneli [31]

Answer:

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Step-by-step explanation:

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3 years ago
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A woman is randomly selected from the 18-24 age group. For women of this group, systolic blood pressures (in mm Hg) are normally
dybincka [34]

Answer:

0.0274

Step-by-step explanation:

The mean is \mu =114.8 and the standard deviation is \sigma =13.1.

Calculate

Z=\dfrac{X-\mu}{\sigma}

for X=140:

Z=\dfrac{140-114.8}{13.1}\approx 1.9237.

If X\sim N(114.8,\ 13.1), then Z\sim N(0,1)

and

Pr(X>140)=Pr(Z>1.9237).

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Sophie invested 5,000 into an account that will increase in value by 2.3% each year. Write a function to model this situation, t
Zarrin [17]

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Step-by-step explanation:

Given data

Princiapal= $5000

Rate=2.3%

Time= 15years

The function that will model this situation is given as

A=P(1+rt)

The above function is a simple interest function

Substitute our data we can find the amount A

A=5000(1+0.023*15)

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A=5000(1.345)

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GrogVix [38]
The answer would be -2! :)
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3 years ago
If you knew that the vertical intercept for a straight line was 150 and that the slope of the line was 4, then the dependent var
Maslowich

Answer:

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Step-by-step explanation:

y-intercept form of a straight line is represented by the equation,

y = mx + b

here y = dependent variable

        m = slope

        b = y intercept or vertical intercept

        x = independent variable

In our question,

y-intercept 'b' = 150

slope of the line 'm' = 4

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We will plug in these values in the equation of the line to get the value of the independent variable.

250 = 4x + 150

250 - 150 = 4x

x = \frac{100}{4}

x = 25

Therefore, value of the independent variable is 25.

7 0
3 years ago
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