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qwelly [4]
3 years ago
5

What’s the inverse of y=100-x^2

Mathematics
1 answer:
erastova [34]3 years ago
7 0
y=100-x^2\ \ \ |+x^2\\\\y+x^2=100\ \ \ |-y\\\\x^2=100-y\\\\x=\sqrt{100-y}\\\\\text{Answer:}\ y^{-1}=\sqrt{100-x}
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Convert 88% to a decimal.<br> a .088<br> b .0088<br> c .88<br> d 8.8
Hitman42 [59]

Answer:

your answer will be c hope ur help and mark me brainlist

8 0
3 years ago
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Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub. What is the area
harkovskaia [24]

Answer:

The area  of the cover for the hot tub must be:

  • <u>38 square feet</u>.

Step-by-step explanation:

First, you must understand that since a hydromassage tub is mentioned and the diameter, it is assimilated that it is round in its upper part, which is why the formula is used to find the area of a circle:

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Since the diameter is mentioned, it can be replaced in the formula:

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  • <u>Area of a circle = 38,465 square feet. Approximately 38 square feet</u>.
7 0
3 years ago
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Solve 5n+7=7(n+l)-2n <br>​
notsponge [240]

Answer: The answer is 1 =n and my work is in the bottom and hope this help :)

Step-by-step explanation:

5n+7=7(n+l)-2n distributive property

5n+7=7n+7-2n  Combines Like Term

5n+7= 12n  subtract 5n to both side

-5n      -5n

    7 = 7n   divide 7n to both side

     7    7

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7 0
3 years ago
1/2x + 6= 3x - 4<br> Solve the system of equations
shepuryov [24]
1.Combine multiplied terms into a single fraction

2. Multiply by 1

3. Subtract 6 from both sides of the equation

4.Simplify

5.Subtract 3x from both sides of the equation

6.Simplify

7.Multiply all terms by the same value to eliminate fraction denominators

8.Simplify

9.Divide both sides of the equation by the same term

10.Simplify

Solution:x=4
5 0
2 years ago
The area of a rectangle is greater than 60 ft. The width of the rectangle is 2x - 3 ft and the
34kurt

Answer:

Inequaliy: 2x-3(12)>60

X>48

Step-by-step explanation:

Since area of a rectangle is W(L)=A

The inequality given right here including length And width and area Plugged in would be

2x-3(12)>60.  (It’s >60 because the area stated in the problem said to be greater then 60 so we put a Greater then sign)

Combine like terms and solve

2x-36>60

Add 36 on both sides

2x>96

Divide 2 on both sides to isolate variable

x>48

Check:

2(50)-36>60 ( I used 50 because it’s greater then 48 and it’s a easy number to work with for just a check)

solve:

100-36>60

64>60✔️

7 0
3 years ago
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