3 years ago

How to turn Ratio as a fraction

Mathematics

1 answer:

beks73 [17]3 years ago

7 0

Convert the ratio to a fraction by making the left side of the ratio the numerator and the right side the denominator.

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Write an equation for the nth term of the arithmetic sequence.

tresset_1 [31]

Answer:

Step-by-step explanation:

3, 9, 15, 21, ...

9-3 = 6; 15-9 = 6; 21-15 = 6 ⇒ d = 6

first term: a = 3

difference: d = 6

so the formula:

$a_n=a+d(n-1)\\\\a_n=69+6(n-1)\\\\a_n =3+6n-6\\\\\underline{a_n=6n-3}$

and:

$a_{50}=6\cdot50-3=300-3=297$

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3 years ago

What are the intercepts for the equation? Select all that apply. x + y = 4 *

olchik [2.2K]

Answer:

y intercept (0, 4)

x intercept (4, 0)

I hope this is good enough:

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3 years ago

Solve: x + 3 = -x + 7 (5 points)

makvit [3.9K]

Answer:

x = 2

Step-by-step explanation:

x + 3 = -x + 7

Add x to each side

x+x + 3 = -x+x + 7

2x+3 = 7

Subtract 3 from each side

2x = 7-3

2x = 4

Divide by 2

2x/2 = 4/2

x = 2

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3 years ago

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The distance from Jason’s house to school is 0.5 kilometers.What is the distance in meters?

inn [45]

Answer:

Step-by-step explanation:

So we know that we have 1000 m in 1 km.

So convert 0.5 km to m we multiply 0.5 by 1000

0.5*1000 = 500

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3 years ago

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Polygon with three interior angles whose sum 180 degrees

mojhsa [17]

Answer:

Triangle

Step-by-step explanation:

A triangle has three vertexes, and therefore three interior angles. Those angles also sum to 180 degrees because of the formula (n-2)*180, where n is the number of sides that a polygon has. Plugging in 3, you get $1\cdot 180$ , or just 180 degrees. Hope this helps!

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3 years ago

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