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enot [183]
3 years ago
12

Ax + bx - 15 = 0;x How do you solve this?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Answer:

Step-by-step explanation:

ax+bx-15=0\\=> (a+b)x-15=0\\=>(a+b)x=15\\=>x=\frac{15}{(a+b)}

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Applying Math<br> 8. Solve the equation to<br> show how/= becomes<br> R= Show your work.
Simora [160]

Answer:

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Step-by-step explanation:

5 0
2 years ago
The level of nitrogen oxides (NOX) in the exhaust after 50,000 miles or fewer of driving of cars of a particular model varies No
Greeley [361]

Answer:

For a level of 0.0174 or more of nitrogen oxide, the probability of fleet is 0.01.              

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 0.02 g/mi

Standard Deviation, σ = 0.01 g/mi

Sample size, n = 81

We are given that the distribution of  level of nitrogen oxides is a bell shaped distribution that is a normal distribution.

Standard error due to sampling:

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{0.01}{\sqrt{81}} = 0.0011

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.01

P(X > x)  

P( X > x) = P( z > \displaystyle\frac{x - 0.02}{0.0011})=0.01  

= 1 -P( z \leq \displaystyle\frac{x - 0.02}{0.0011})=0.01  

=P( z \leq \displaystyle\frac{x - 0.02}{0.0011})=0.99  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 0.02}{0.0011} = -2.326\\\\x = 0.0174

For a level of 0.0174 or more of nitrogen oxide, the probability of fleet is 0.01.

5 0
2 years ago
Explain how the values of h and k in y=|x-h|+k affect the graph of y=|x|
Dvinal [7]

Answer:

Horizontal shift:

For the parent function f(x) and a constant h, the function given by   g(x) = f(x-h)  can be sketched by shifting f(x) h units horizontally.

The values of h determines the direction of shifts:

If :

  • h>0, the parent graph shifts h units to the right
  • h < 0, the parent graph shifts h units to the left.

Vertical shifts:

For the parent function f(x) and  a constant k, the function given by  g(x) =f(x) +k  can be sketched by shifting f(x) k units vertically.

The value of k determines the direction of shifts;

if:

  • k > 0, the parent graph shifts k units upward, and
  • k < 0, the parent graph shifts k units downward.

Therefore, the values of  h and k in y=|x-h|+k affect the graph of y=|x| tells us how far the graph shifts horizontally and vertically.



8 0
3 years ago
What is the length of line segment s a? 1.89 ft 2.43 ft 3 ft 7 ft
Slav-nsk [51]

The ratio of the sides will be constant. Then the value of the length of line segment SA will be 3 ft.

The missing diagram is given below.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

The triangles ΔABC and ΔSBT are the similar triangles.

Then the ratio of the sides will be constant.

BS / SA = BT / TC

10 / SA = 9 / 2.7

      SA = 3

Then the value of the length of line segment SA will be 3 ft.

More about the triangle link is given below.

brainly.com/question/25813512

#SPJ1

3 0
2 years ago
Factor of 4-(2a+3b)^2
Anna71 [15]

4-(2a+3b)^2

(2a+3b)^2 :

4a^2+12ab+9b^2

= 4-(4a^3+12ab+9b^2)

=-(4a^2)-(12ab)-(9b^2)

apply minus -  plus rules :

+(-a)=-a

Refine:

=-4-4a^2-12ab-9b^2

<span>hope this helps!</span>
7 0
3 years ago
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