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3 years ago

HELP I NEED HELP ASAP

Mathematics

1 answer:

sweet [91]3 years ago

4 0

I think it's D.

Step-by-step explanation:

Just a guess, I forgot about deviation

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What's the radius of a circle with an area of 64 square feet

Grace [21]

R=4.51 ft i have to have more characters lol so i hope this is enough but heres the answer

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3 years ago

Find the slope and the y-intercept of the following graph

spin [16.1K]

Answer:

The slope of the graph is 5, and the y-intercept is (0, -3).

Step-by-step explanation:

Let's start by finding the y-intercept.

The y-intercept is the point where the line intercepts the y-axis.

Looking at the graph, we can determine that the y-intercept is (0, -3).

The slope of a graph can be found using two points on the line.

Let's use (0, -3) and (1, 2):

$Slope=\frac{Rise}{Run}=\frac{y_2-y_1}{x_2-x_1}=\frac{2-(-3)}{1-0}=\frac{5}{1}=5$

Therefore the slope of the graph is 5, and the y-intercept is (0, -3).

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2 years ago

A triangle can be formed with side lengths 3 in, 5 in, and 9 in. True False

Firdavs [7]

False, No Triangle can be formed with those side lengths. Here's why:
The sum of side a and side a has to be greater than side c.
a+b>c
3+5= 8
8 is not greater than 9

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3 years ago

Read 2 more answers

If ac =x+3 and db=3x-19, find ac

AveGali [126]

We need some sort of diagram to see what they are. Is there any way to say that ac = db? Either equal angles or equal lines.
x + 3 = 3x - 19 Add 19
x + 3 + 19 = 3x Subtract x
21 = 2x
x = 21 / 2
x = 10.5

ac = 10.5 + 3
x = 13.5

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3 years ago

What is the surface area-to-volume ratio of the spherical barrel cactus

Butoxors [25]

I can't speak to the cactus specifically, but any sphere has a surface area of $4\pi r^2$ and a volume of $\frac{4}{3} \pi r^3$ , so the area-to-volume ratio wold be

$\frac{4\pi r^2}{ \frac{4}{3}\pi r^3 } = \frac{3(4\pi r^2)}{4(\pi r^3)}$

$= \frac{3\pi r^2}{\pi r^3}\\\\
= \frac{3}{r}$

Where r is the radius of the sphere.

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3 years ago