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3 years ago

You want to know about how long it takes to walk around a circular pond.

Mathematics

1 answer:

vova2212 [387]3 years ago

5 0

Answer:

A. Circumference

General Formulas and Concepts:

Geometry

Circumference is the length of the edge of a shape
Area is the space it takes up in total

Step-by-step explanation:

Since we are walking around the lake and not trying to figure out how much space it is taking up, we would be dealing with circumference in this case.

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A parallelogram has side length of 9x+12 and 3x-4.what is the perimeter ?

Karo-lina-s [1.5K]

2(9x+12) + 2(3x-4)
because there are four sides, and it is a parallelogram, the opposite sides are equal. the answer is 24x+16

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2 years ago

PLEASE HELP I NEED TO PASS MATH!

fgiga [73]

Answer:

a translation moves a thing up and down or left and right.

Step-by-step explanation:

so true?

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2 years ago

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A sweater costs $12 more than a shirt. Together they cost $46. What was the price of the shirt

enyata [817]

Answer:46 by 46 that is how much for two tshirts will cost

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3 years ago

HELP ME!! im so stumped. will give brainliest!

Olegator [25]

Answer:

$x=1+\sqrt{3}$ and $x=1-\sqrt{3}$

Step-by-step explanation:

We have been given the parabola with vertex (1, -9) and y intercept at (0, -6).

Now we need to find the x-intercepts of that parabola. So first we begin by finding the equation of parabola using vertex formula:

$y=a\left(x-h\right)^2+k$

Vertex for this formula is given by (h,k)

Compare that with given vertex (1,-9), we get: h=1, k=-9

So plug these into vertex formula:

$y=a\left(x-1\right)^2-9$ ...(i)

Plug given point (0, -6). into (i)

$-6=a\left(0-1\right)^2-9$

$-6=a\left(-1\right)^2-9$

$-6=a\left(1\right)-9$

$-6+9=a$

$3=a$

Plug a=3 into (i)

$y=3\left(x-1\right)^2-9$

Now to find x-intercept, we just plug y=0 and solve for x

$y=3\left(x-1\right)^2-9$

$0=3\left(x-1\right)^2-9$

$9=3\left(x-1\right)^2$

$3=\left(x-1\right)^2$

$\pm \sqrt{3}=x-1$

$1+\pm \sqrt{3}=x$

Hence final answer are

$x=1+\sqrt{3}$ and $x=1-\sqrt{3}$

4 0

3 years ago

Elmer has a collection of 30 fossils. Of these, 21% percent are fossilized snail shells. How many fossilized snail shells does E

postnew [5]

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here is your answer
hope it help you....

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2 years ago