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romanna [79]
3 years ago
10

What is f(-6) A. -8 B. -6 C. 6 D. 8

Mathematics
2 answers:
Step2247 [10]3 years ago
6 0

f(x) = y.

f(-6) means what is y when x is equal to -6.

Answer: y = f(-6) = 6.

Answer: C

Bess [88]3 years ago
3 0

Answer:

C. 6

Step-by-step explanation:

We want to find f(-6)

This means we want to find the y value when x=-6

Looking at the graph

f(-6) = 6

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Find the area of the rhombus 6cm, 8cm
Igoryamba

Answer:

A=24cm²

Step-by-step explanation:

Area=1/2(product of the diagonals)

A=1/2(6×8)

A=1/2(48)

divide by 2

A=24cm²

5 0
3 years ago
Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the
Assoli18 [71]

The diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

<h3>What is of volume of cylinder?</h3>

Volume of cylinder is the amount of quantity, which is obtained by it in the 3 dimensional space.

The volume of the cylinder can be given as,

V=\pi r^2h

Here, (r) is the radius of the base of the cylinder and (h) is the height of the cylinder.

Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the diameter of the barrel was.

She needs to know the diameter so that she can build a platform for it to sit on.

The seller told her the volume of the barrel is 6,925pi cubic in and its height is 38 in.

V=\pi r^2h\\6925=\pi r^2(38)\\\dfrac{6925}{38\pi}= r^2\\r=\sqrt{\dfrac{6925}{38\pi}}\\r\approx7.62 \rm\; in

The diameter of the cylinder is twice the radius of it. Thus, the diameter of the cylinder is,

d=7.62\times2\\d=15.23\rm\\d\approx15\rm\; in

Thus, the diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

Learn more about the volume of cylinder here;

brainly.com/question/12748872

#SPJ1

7 0
2 years ago
Please help!!! Use the Pythagorean theorem to find the missing value
Alika [10]

Answer: 1. is 50 2. is 111  3. is 26 4. is 45  and 5. is 51

Step-by-step explanation: The formula for Pythagorean theorem is A^2 plus B^2 = c^2

Sry that took so long did it wrong at first

3 0
3 years ago
Aaron travels 125 miles in 2.5 hours. At this rate, how far will he be able to travel in 6 hours?
Serga [27]

Answer:

I believe it is 687.5 miles

Step-by-step explanation:

3 0
3 years ago
What is the rectangular equivalence to the parametric equations?
denpristay [2]

Answer:

For x(θ) = 3cosθ + 2

y² = [9x²/(x - 2)²] - x²

For x(θ) = 3cosθ + 2

x² = [4y²/(y - 1)²] - y²

Step-by-step explanation:

Given the following equivalence:

x² + y² = r²

r = √(x² + y²)

x = rcosθ

cosθ = x/r

y = rsinθ

sinθ = y/r

Applying these to the given equations,

x(θ) = 3cosθ + 2

x = 3(x/r) + 2

xr = 3x + 2r

(x - 2)r = 3x

r = 3x/(x - 2)

Square both sides

r² = 9x²/(x - 2)²

(x - 2)²r² = 9x²

(x - 2)²(x² + y²) = 9x²

(x² + y²) = 9x²/(x - 2)²

y² = [9x²/(x - 2)²] - x²

y(θ) = 2sinθ - 1

y = 2y/r - 1

yr = 2y - r

(y - 1)r = 2y

r = 2y/(y - 1)

Square both sides

r² = 4y²/(y - 1)²

x² + y² = 4y²/(y - 1)²

x² = [4y²/(y - 1)²] - y²

8 0
3 years ago
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