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Ratling [72]
3 years ago
10

Find the sum precal I really need help I don’t know how to do it

Mathematics
1 answer:
Evgen [1.6K]3 years ago
7 0

Answer:

11

Step-by-step explanation:

Plug in

0 for j to get 1

1 for j to get -2

2 for j to get 4

3 for j to get -8

4 for j to get 16

Then add 1 - 2 + 4 - 8 + 16 = 11

You might be interested in
Math question down below
Nataly_w [17]
The answer would be 2 2/3.
8 0
3 years ago
I need help please, I dont know how to do this
Oliga [24]

Answer:

Step-by-step explanation:

Odd numbers backwards - 9, 7, 5, 3

1 = -2+9=7

2 = -1+7=6

3 = 0+5=5

4 = 1 +3=4

3 0
3 years ago
Can someone please answer step by step?
alukav5142 [94]

Answer:

George is correct

Step-by-step explanation:

if the jacket is in sales for 20% off, Jane's coupon would give her a discount of 10% on top of the already discounted 20%.

Jane is incorrect because, if she added the 2 discount together, she gets a total of 30%, but that is a 30% discount of the original price of $75 which isn't correct. what we want to do is find how much the jacket cost after 20% discount THEN use the coupon to get a further 10% discount on the sales price of the jacket. and for this reason, George is correct.

hope this helped

3 0
3 years ago
If PQ=RS, which of the following must be true?
maw [93]

<u>Answer:</u>

If PQ=RS then PQ and RS have the same length. Hence option D is correct

<u>Solution:</u>

Given that, pq = rs  

And, we have to find which of the given options are true.

<u><em>a) pq and rs form a straight angle </em></u>

We can’t decide the angle in between pq and rs just by the statement pq = rs.

So this statement is false.

<u><em>b) pq and rs form a zero angle. </em></u>

We can’t decide the angle in between pq and rs just by the statement pq = rs.

So this statement is false.

<u><em>c) pq and rs are same segment. </em></u>

If two things equal then there is no condition that both represents a single item.

So this statement is false.

<u><em>d) pq and rs have the same length </em></u>

As given that pq = rs, we can say that they will have the same length  

Hence, option d is true.

4 0
3 years ago
How many times does 20 go into 74??
Dima020 [189]
About three times. Just divide 74 by 20 which is 3 but exactly it is 3.7. 
                        hoped it helped
7 0
3 years ago
Read 2 more answers
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