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2 years ago

How would I organize the calculation

Mathematics

1 answer:

Viefleur [7K]2 years ago

6 0

Answer:

52 should be the answer

Step-by-step explanation:

first, love the parathesis. subtract 7-2

second 3 raised to the second power

third times 3 raised to the third power by 5 the answer a few u substrates 7-2

fourth 14 divide 2

finally I would add (14/2) 7 + 45 (which is 9 times 5)

read through it carefully by the end if the problem, you should have 52 as the ans

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Help anyone please i need it

zheka24 [161]

Answer:

The sum is equal to $-905,200$

Step-by-step explanation:

we know that

The formula to calculate the sum is equal to

$Sn=n\frac{(a1+an)}{2}$

In this problem

$n=775$ -----> number of terms

a1 is the first term

$a1=(-3(1)-4)=-7$

an is the last term

$an=(-3(775)-4)=-2,329$

substitute

$Sn=775\frac{(-7-2,329)}{2}=-905,200$

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3 years ago

Jenny goes to the store with $9.87. She then spends $2.81 of it. How much money does she have left?

Blababa [14]

Answer:

Step-by-step explanation:

$9.87

- <u>2.81</u>

$7.06 Jenny has left

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2 years ago

Read 2 more answers

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barxatty [35]

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3 years ago

Simplify the expression (2x)^2y•(2x)^y+1•(2x)^2

Varvara68 [4.7K]

Answer:

Step-by-step explanation:

8x3(y+1)

is the answer of the question

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2 years ago

Simplify<br> (6.89 + 14.52) + (-14.52) =

RUDIKE [14]

Answer:

6.89

Step-by-step explanation:

Add 6.89 and 14.52 together. Subtract 14.52 from that. You should get 6.89. Hope this helps.

4 0

3 years ago