3 years ago

Can somebody please help me fill in the blanks for this !!

Mathematics

1 answer:

cupoosta [38]3 years ago

3 0

Answer:it has four side

Step-by-step explanation:

idito

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I really need some help it's hard to understand!

Vedmedyk [2.9K]

C you just add them divide by 2

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3 years ago

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if two circles have circumference of 12 pi inches and 18 pi inches,find the ratio between their radii

djverab [1.8K]

The formula for the circumference is:
$2\pi r$
So to find first radius:
$2\pi r = 12\pi \\ \\ \pi r = 6\pi \\ \\ r = 6$
Second radius:
$2\pi r = 18\pi \\ \\ \pi r = 9\pi \\ \\ r = 9$
The ratio between them is:
$\frac{6}{9} = \frac{2}{3} = 0.66667$

8 0

3 years ago

The equation 2(m-8)+3=17 has more than one solution method. Give at least two different "first steps" to solve this equation.

Troyanec [42]

1. you could distribute the 2 which would give you 2m - 16 + 3 = 17
2. You could add the 2 and 3 together and the problem would be 5(m - 8) = 17

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3 years ago

Jina wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger tr

Brilliant_brown [7]

Answer:

width of a river = 45m

Step-by-step explanation:

ration and proportion

let x = width of a river

x 20.9 m

------ = --------

56 m 26 m

x = (20.9 * 56) / 26

x = 45 m

therefore the width of a river is 45 m

7 0

3 years ago

Which is the equation of a line that passes through (1,8) and (6,4)

Sati [7]

Answer:

y = - $\frac{4}{5}$ x + $\frac{44}{5}$

Step-by-step explanation:

(6, 4)

(1, 8)

m = $\frac{8-4}{1-6}$ = - $\frac{4}{5}$

y - 4 = - $\frac{4}{5}$ ( x - 6 )

y = -  $\frac{4}{5}$  x +  $\frac{44}{5}$ ⇔ y = - 0.8x + 8.8

8 0

3 years ago