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Andreyy89
2 years ago
12

Find the difference. Express your answer in simplest form. z-7/z+8-(-2z-7)/z+8​

Mathematics
1 answer:
Levart [38]2 years ago
3 0

Answer:

z^2x+10zx+8z^2+73z+7z/(z+8)(z+8)

(IMAGE DOWN BELOW)

Step-by-step explanation: Simplify the expression.

Hope this helps you out! ☺

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Which graph represents the solution set of the system y ≤ x2 – 1 and x > y2 – 6?
mario62 [17]

Answer:

The answer is the fourth option.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Unit rate for 3 ounces for every 3/4 cup
Vanyuwa [196]

Answer:

4 ounces per cup

Step-by-step explanation:

To find the unit rate, we take the ounces and divide by cups.  We want a 1 in the denominator

3 ounces÷3/4 cup

Copy dot flip

3 ounces * 4/3  per  cup

4 ounces per cup

7 0
3 years ago
What is the slope of the line that passes through (2,12) and (4,20)
iris [78.8K]

Answer:

D. 4

Step-by-step explanation:

Use rise over run, (y2 - y1) / (x2 - x1)

Plug in the points:

(y2 - y1) / (x2 - x1)

(20 - 12) / (4 - 2)

8 / 2

= 4

So, the slope is 4.

6 0
3 years ago
Please help me understand this!
Fiesta28 [93]
8 divided by 3.14
12•3.14
4• square root of 3.14 divided by 3.14
16 divided by 3.14
144•3.14 squared

Hope it helped:)
6 0
2 years ago
A circle has a circumfernce of 6. It has an arc length of 1
fomenos

Answer:

The circumference formula for a circle is C=πd where C is the circumference, d is the diameter of the circle and π is a constant. If you plug in 6 for C and solve the equation for d like:

6= πd and then divide both sides of the equation by π you get that d = 1.90

To find the central angle of an arc you would use the equation S = rθ where S is the length of the arc, r is the radius of the circle, and θ is the measure of the angle which in this case is unknown. So with S = 1 and r = d/2 = 1.90/2 = 0.9549 you would have an equation that looks like this:

1 = 0.9549θ.  

If you divide both sides of the equation by 0.9549 you get θ = 1.047197 radians.  

The question asked for the angle measure in degrees so you would need to convert the angle measure to degrees by multiplying the degree measurement by 180/π

1.047197 x 180/π =  60°

8 0
3 years ago
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