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yKpoI14uk [10]
3 years ago
6

What is the answer to this question

Mathematics
1 answer:
UkoKoshka [18]3 years ago
6 0
C and do you happen to be on i ready
You might be interested in
What is the solution to this system of equations?
mixas84 [53]

Answer:

(-2,4)

Step-by-step explanation:

The solution is the point at which the two lines intersect, (-2,4).  That point is the only one that satisfies (works) in both equations:

y = x + 6

4 = -2 + 6

and

y = -0.5x + 3

4 = -0.5(-2) + 3

4 = 1 + 3

====

You can also solve it algebraically:

y = x + 6

y = -0.5x + 3

-0.5x + 3 = x + 6   [Use the value of y from the second equation in the first equation]

-1.5x = 3

x = -2

Use this is y = -2 + 6:

y = 4

(-2,4)

5 0
2 years ago
By what percent will a fraction increase if its numerator is increased by 60% and its denominator is decreased by 20%?
Strike441 [17]
Lets just use \frac{10}{20} for an example. If the number is increased by 60% and the denominator is decreased by 20% we get the new fraction being: \frac{16}{16}. Since then new one is equal to 1, and the original is equal to \frac{1}{2}, we see that this manipulation of the fraction causes an increase of 100%. 
7 0
3 years ago
Undefined Slope. Through (97 , 73)
Mnenie [13.5K]

Answer:

Equation of line through ((x_{1},y_{1})) having undefined slope is given by

 \frac{y-y_{1}}{x-x_{1}}=tan\alpha   where α =90°

Now ,it is given that line passes through (97, 93)

So , equation of line is

→ \frac{y-73}{x-97} = tan 90°

As, tan 90°=1/0

\frac{y-73}{x-97}=\frac{1}{0}\\

→  (x-97)×1= (y-73)×0

→ x-97 =0

→ x=97 , which is the required equation of line.

 

     




4 0
3 years ago
A factory produces car tires. The number of miles each tire lasts before it completely wares out follows a normal distribution w
qwelly [4]

Answer: 0.0668073

Step-by-step explanation:

Given : The number of miles each tire lasts before it completely wares out follows a normal distribution with mean μ = 50,000 miles and standard deviation σ = 8,000 miles.

Let x be the random variable that represents the number of miles each tire lasts.

z-score : \dfrac{x-\mu}{\sigma}

For x= 62,000

z=\dfrac{62000-50000}{8000}=1.5

By using the standard z-value table , the probability for a randomly selected tire to last for at least 62,000 miles will be :_

P(x\geq62000)=P(z\geq1.5)=1-P(z

Hence, the probability for a randomly selected tire to last for at least 62,000 miles = 0.0668073

4 0
2 years ago
What is the equation of a line that passes through the points (0, 5) and (4, 8)?​
Andrew [12]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope - intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 5) and (x₂, y₂ ) = (4, 8)

m = \frac{8-5}{4-0} = \frac{3}{4}

Note the line crosses the y- axis at (0, 5) ⇒ c = 5

y = \frac{3}{4} x + 5 ← equation in slope- intercept form

6 0
3 years ago
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