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maw [93]
3 years ago
15

I need help with 3 and 4

Mathematics
2 answers:
tiny-mole [99]3 years ago
8 0
3)21.5 (rounded)
4)15.2(rounded)
inn [45]3 years ago
3 0
Simply divide the whole by the two HCF, Such as 5 and 3, and 7 and 3.
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What is the value of E(-1) n (3n+2)?
RoseWind [281]
<h3>Answer:  C) 6</h3>

====================================================

Explanation:

The weird looking E symbol is the greek uppercase letter sigma. It refers to a sum.

It tells us to add up terms in the form (-1)^n*(3n+2) where n is an integer ranging from n = 1 to n = 4.

------------------

If n = 1, then we have

(-1)^n*(3n+2) = (-1)^1*(3*1+2) = -5

Let A = -5 as we'll use it later.

------------------

If n = 2, then

(-1)^n*(3n+2) = (-1)^2*(3*2+2) = 8

Let B = 8 since we'll use this later as well

------------------

If n = 3, then

(-1)^n*(3n+2) = (-1)^3*(3*3+2) = -11

Let C = -11

-------------------

If n = 4, then

(-1)^n*(3n+2) = (-1)^4*(3*4+2) = 14

Let D = 14.

--------------------

We'll add up the values of A,B,C,D to get the final answer

A+B+C+D = -5+8+(-11)+14 = 6

This means that

\displaystyle \sum_{n=1}^{4}(-1)^n(3n+2) = 6

6 0
3 years ago
A navigator marks three locations on a satellite map as shown. If the distance from Serravalle to San Marino is 982 miles, and t
valentina_108 [34]
THE ANSWER 

let be S1 = <span>Serravalle
S2= </span><span>San Marino and 
S3= </span><span>Chiesanuova

for finding the distance </span><span>Chiesanuova from Serravalle,

(distance S1 to  S2)  +  (distance S2 to S3) = </span><span>982 miles + 833 miles =1.815 miles

the answer is </span>B. 1, 815 miles
7 0
3 years ago
Read 2 more answers
Please help me with both parts?
Neko [114]
I'm willing to help you with both parts
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3 years ago
A local hamburger shop sold a combined total of 639 hamburgers and cheeseburgers on Monday. There were 61 fewer cheeseburgers so
Anastaziya [24]
The answer to the question

7 0
3 years ago
QUESTION 2 - Part C) Kyle is ready to place an order with Patty's Printing when he hears that a new company recently opened in t
Svetradugi [14.3K]

Answer:

idk im just trying to get these 5 points

Step-by-step explanation:

5 0
3 years ago
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