4 years ago

How to add and subtract fractions ? How to simplify it?

Mathematics

1 answer:

sineoko [7]4 years ago

8 0

First u add or subtract the fraction and to simplify it u divide it with any common number Example 3/5+5/8=8/40=1/5

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Find the measure of each angle indicated. A) 21° C) 23 E) 25° B) 80° D) 20°

Delvig [45]

Answer:

D) 20⁰

Step-by-step explanation:

EDF = 180-100=80⁰

EFD= 80⁰+80⁰=160⁰

180⁰-160⁰=20⁰

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3 years ago

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Simplify the expression. 3⁹ x 3⁶ x 3⁶

aev [14]

Answer:

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Step-by-step explanation:

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Zeljko's father bought a new TV for $660. He is paying it off monthly for one year. How much does he pay each month?

liberstina [14]

Zeljko's father pays $55 each month.

The cost of the TV bought by Zeljko's father = $660

The payment for the TV is divided monthly for a year.

But one year = 12 months.

Therefore, the amount of money he will pay per month would be the total amount divided by 12, that is,

= 660/12

= $55

Therefore, Zeljko's father pays $55 each month.

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3 years ago

An algebra 2 question..... about cosine.

zvonat [6]

Answer:d i believe

Step-by-step explanation:

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3 years ago

Find the seventh term of the geometric sequence 1, 2, 4, ... and the sum of the first seven terms. t7= S7=

IrinaK [193]

Answer:

Seventh term is 64

Sum of the first seven terms is 127

Step-by-step explanation:

The common ratio is 2

$a_{n} = a_{1} r^{n - 1}$

n = 7 and the first term is 1. So,

$a_{7} = 1(2^{7 - 1} ) = 2^{6} = 64$

Seventh term is 64

$S_{n} = \frac{a_{1} (r^{n} -1)}{r - 1}$

$S_{7} = \frac{1(2^{7} -1)}{2 - 1}$

$= \frac{128 - 1}{1} = 127$

Sum of the first seven terms is 127

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3 years ago