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Bond [772]
3 years ago
7

What is the approximate volume of the sphere

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0
It’s the first one I think!
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The frame is a rectangle that’s 16 inches by 20 inches. The craft store has 7 feet of orange ribbon. Is that enough ribbon for L
Nutka1998 [239]
Hi!

Imagine a rectangle with a width of 20 inches, and a height of 16. Find the length around the rectangle (the perimeter).

16+20+16+20=72

There are 12 inches in a feet. How many feet are in 72 inches?

72/12=6

Lana needs 6 feet of ribbon. She bought 7 feet.

7-6=1

It is enough ribbon.
1 foot will be leftover.

Hope this helps! :)
-Peredhel
5 0
3 years ago
Solve for x in the equation 3 x squared minus 18 x + 5 = 47.
Lana71 [14]

Answer:

first option

Step-by-step explanation:

3x² - 18x + 5 = 47 ( subtract 5 from both sides )

3x² - 18x = 42 ( divide through by 3 )

x² - 6x = 14

Using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 3)x + 9 = 14 + 9

(x - 3)² = 23 ( take square root of both sides )

x - 3 = ± \sqrt{23} ( add 3 to both sides )

x = 3 ± \sqrt{23}

6 0
3 years ago
Solve (5y+2)(y+2)=3(5y+2)
DiKsa [7]

Answer:

y=1, y=-2/5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Lori buys a $672 certificate of deposit (CD) that earns 7.1% interest that compounds monthly. How much will the CD be worth in 1
MAVERICK [17]

The formula is

A=p(1+r/n)^nt

A future value ?

P present value 672

R interest rate 0.071

N compounded monthly 12

T time 14 years

A=672×(1+0.071÷12)^(12×14)

A=1,810.45

Hope it helps!

4 0
4 years ago
Read 2 more answers
If f(x)=1/9 x-2,what is f-1(x)?
MAVERICK [17]

Answer:

f^-1(x) = 9x+18

Step-by-step explanation:

To get the inverse of a function, we exchange x and y then solve for y

y = 1/9x -2

Exchange x and y

x = 1/9y -2

Add 2 to each side

x+2 = 1/9y-2+2

x+2 = 1/9y

Multiply by 9

9(x+2) = 9*1/9y

9x+18 = y

f^-1(x) = 9x+18

3 0
4 years ago
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