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3 years ago

Changing this into General Form (Ax + By + C = 0) x = -9 {2 ≤ y ≤ 6}

Mathematics

1 answer:

ahrayia [7]3 years ago

4 0

Answer:

0x8y

Step-by-step explanation:

x is negative so i turned it into a negative number b, y is - so 8 and o is slope

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What is the equation of the parabola?

frutty [35]

Y=-1/20(x+3)^2

Your could always tell by which way the curve is pointing and if pointing down it’s a negative it’s pointing up it’s a positive

Hope that helped

7 0

3 years ago

Evaluate the piecewise function by matching the domain values with the range values

belka [17]

Answer:

What are the rangle and domain values

Step-by-step explanation:

5 0

2 years ago

Almost all companies utilize some type of year-end performance review for their employees. Human Resource (HR) at a university's

balu736 [363]

Answer:

The Answer is 76.

Step-by-step explanation:

Given the normal distribution " 10% of employees (rated) exemplary, 20% distinguished, 40% competent, 20% marginal, and 10% unacceptable'', we can see that exemplary employees are top 10% rated employees.

We have the formula for normal distribution:

z=(X-M)÷σ

where z is the minimum z-score for top 10% employee, X is the minimum score for top 10% employee, M is the mean of the score distribution, σ is the standard deviation of the score distribution.

The z-score we are looking for is the value "a" that separates the highest 10% from the lowest 90% i.e. P(z≤a)=0.90

If we look at z-table, corresponding value for a is 1.28155

We can now put the values in the formula:

1.28155= $\frac{X-50}{20}$

So X=(1.28155×20)+50=75.631

Therefore minimum score for exemplary employee is 76.

3 0

2 years ago

I need help with this ASAP.

Tomtit [17]

Answer:

Step 1 write the equation for perimeter (2L+2W =24)

Step 2 write the equation for area L x W = 32

Step 3 rewrite the equation of area so that one variable is on the right side L=32/W

Step 4 substitute L from step 3 into Equation 1 and simplify 2(32/W)+2W=24

Step 5 having found the width in step 4, use equation 3 to find the length

Step-by-step explanation:

This is just added to show you how to solve but limit your answer to the answer above: rate brainliest please

Area = L*W

Perimeter = 2(L+W)

So say L*W=32

and 2(L+W) = 24 which is 2L+2W =24

From area L=32/W

Then substitute it into perimeter

2(32/W)+2W=24 if you simplify this you get Width is 4 and 8

then length =32/W but W is 4 and 8 So L= 8 and 4

Meaning you have two options first rectangle is W=4 and L is 8, second triangle W=8 and Length=4

3 0

3 years ago

What is the area of the figure? The figure is not drawn to scale.thank you ! :)

Rina8888 [55]

Solution

- The formula for finding the area of a triangle is given below:

$\begin{gathered} A=\frac{1}{2}\times b\times h \\ where, \\ b=\text{ The base of the triangle} \\ h=\text{ The perpendicular height} \end{gathered}$

- We have been given:

$\begin{gathered} b=5.4cm \\ h=2cm \end{gathered}$

- Therefore, we can find the area as follows:

$\begin{gathered} A=\frac{1}{2}\times2cm\times5.4cm \\ \\ \therefore A=5.4cm^2 \end{gathered}$

Final Answer

The area is 5.4cm²

3 0

1 year ago