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3 years ago

I need help but not that much I’m I supposed to find the gCf are the lcm are add subtract multiply are divided

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

3 0

You are not making ANY sense!

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The slope of a line parallel to y=2x+1 is 2

Ann [662]

Yes. Parallel means same slope as original line. So it’s 2

7 0

3 years ago

What polynomial function could be represented by the graph below

kotegsom [21]

Answer:

(B). F(X)=2x^2+2x-4

Step-by-step explanation:

-4 means it passes through -4 at the y axis

B and D have -4

graph passes thru x axis at -2 and 1

if you enter x = -2 or 1 in the formula

(B). F(X)=2x^2+2x-4

you get 0

it's not D because when you enter -2 or 1 for x

you don't get 0

you get 8 and -4

3 0

2 years ago

Read 2 more answers

Find the quadratic equation for y=4x^2-5

marta [7]

Answer:

y=4/x^3

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

A box is contructed out of two different types of metal. the metal for the top and bottom, which are both square, costs $5 per s

patriot [66]

Total cost, C = 8x^2 + 12xz
volume, V = (x^2)*z = 10
C = 8x^2 + 12x*10/x^2
= 8x^2 + 120/x
dC/dx = 16x - 120/x^2 = 0
16x = 120/x^2
x^3 = 120/16
x = 1.957 ft

d^2C/dx^2 = 16 +240/x^3 = +ve for x = 1.957
so, C is minimum when
x = 1.957 ft z = 2.61 ft

Length of the base x is 1.957 ft and height of side z is 2.61 ft

3 0

4 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!

snow_lady [41]

Answer:

A. The area is $78.54m^2$

B. She needs to cover 1661.9 square feet of tiles for the base of the swimming pool

Step-by-step explanation:

Question A:

Let us assume that the leash is pegged to the ground using a stake. as a result, the dog can move around the stake. The path that the motion of the dog would trace is a circle, and the radius of the circle will be the length of the leash.

Since we know this, we can easily find the area of the circle using $\pi r^2$

Area of the circle = $\pi \times 5 \times 5 = 78.54m^2$

Question B

Dulce wants to cover the whole surface area of the floor of the circular swimming pool with tiles.

We already know that the swimming pool is circular, hence, the surface area of the base of the swimming pool will be the same as the area of a circle, with the same radius.

The area of the circle can be calculated using $\pi r^2$

Area of circle = $\pi \times 23 \times 23 = 1661.9ft^2$

8 0

3 years ago