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2 years ago

The diameter of a circle is 7 ft. Find its area to the nearest tenth.

Mathematics

1 answer:

Mumz [18]2 years ago

6 0

Answer:

38.5ft²

Step-by-step explanation:

we know the formula for Area is

A=pi*r²

A=38.5

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Find the solution to the system of equations below.<br> 2y = 2x - 8<br> 2x + y = 5

ladessa [460]

Answer:

The solution to the system of equations is:

(x, y) = (3, -1)

The graph is attached below.

Step-by-step explanation:

Given the system of equations

$2y = 2x - 8$

$2x + y = 5$

Let us solve the system of equations using the elimination method

$\begin{bmatrix}2y=2x-8\\ 2x+y=5\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}2y-2x=-8\\ y+2x=5\end{bmatrix}$

Multiply y + 2x = 5 by 2: 2y + 4x = 10

$\begin{bmatrix}2y-2x=-8\\ 2y+4x=10\end{bmatrix}$

subtracting the equations

$2y+4x=10$

$-$

$\underline{2y-2x=-8}$

$6x=18$

solve 6x = 18 for x

$6x=18$

Divide both sides by 6

$\frac{6x}{6}=\frac{18}{6}$

simplify

$x=3$

For 2y - 2x = -8 plug in x = 3

$2y-2\cdot \:3=-8$

$2y-6=-8$

Add 6 to both sides

$2y-6+6=-8+6$

Simplify

$2y=-2$

Divide both sides by 2

$\frac{2y}{2}=\frac{-2}{2}$

Simplify

$y=-1$

Therefore, the solution to the system of equations is:

(x, y) = (3, -1)

The graph is attached below.

8 0

2 years ago

The net of the right circular cylinder shown is made of

max2010maxim [7]

That may be any kinda right circular cylinder it always contain a net like attachment.

There is a rectangle which is not a square for LSA
And two bases which are circles

Option D

3 0

1 year ago

What does it mean to square both sides of an equation

andreev551 [17]

Answer:using the square root on both sides of the equation

Step-by-step explanation:

3 0

3 years ago

A red kangaroo jumps along at 40 km/h. At this rate how long would it take to jump 2 km?

LenKa [72]

The solution would be like this for this specific problem:

Given: 40 km/h

2 km

t = d / v
t = 2 km / 40 km/h
t = 0.05 h * 60 minutes = 3 minutes

<span>At this rate, it would take 3 minutes for the red kangaroo to jump 2 km.</span>

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2 years ago

758 - 387 = ___ - 200l

Iteru [2.4K]

Step-by-step explanation:

5 0

3 years ago

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