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soldi70 [24.7K]
2 years ago
8

You want to order some T-shirts that cost $14 each. Shipping is $7 per order. If you buy 11 T-shirts, what will the order cost?

Mathematics
2 answers:
poizon [28]2 years ago
8 0
14 x 11 = 154
7 x 11 = 77
154 + 77 = 231
netineya [11]2 years ago
4 0
First you do 14x11 which equals 154. And then add 7 which is 161, thats your answer! HOpe it helped!
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In the third degree polynomial function f(x) =x^3 + 4x, why are 2i and -2i zeros?
IgorC [24]

Answer:

We just need to evaluate and get f(2i)=0, f(-2i)=0.

Step-by-step explanation:

Since i^2=-1, then i^3=i^2i=-i, and we can apply this when we evaluate f(x) =x^3 + 4x for 2i and -2i.

First we have:

f(2i) =(2i)^3 + 4(2i)=2^3i^3+8i=8(-i)+8i=0

Which shows that 2i is a zero of f(x).

Then we have:

f(-2i) =(-2i)^3 + 4(-2i)=(-2)^3i^3-8i=-8(-i)-8i=8i-8i=0

Which shows that -2i is a zero of f(x).

4 0
3 years ago
D. Direction: Plot following irrational numbers in the given number line.
Tju [1.3M]

Answer:

<u>Numbers and plot location given below:</u>

<u />

  1. √15 = 3.9  located between 3.8 and 4.0
  2. √46 = 6.8 located between 6.7 and 6.9
  3. √55 = 7.4 located between 7.3 and 7.5
  4. √60 = 7.7 located between 7.6 and 7.8
  5. √96 = 9.8 located between 9.7 and 9.9
  6. √14 = 3.7 located between 3.6 and 3.9
  7. √22 = 4.7 located between 4.6 and 4.8
  8. √75 = 8.7 located between 8.6 and 8.9
  9. √34 = 5.8 located between 5.7 and 5.9
  10. √57 = 7.5 locate between 7.4 and 7.6
8 0
2 years ago
Help me answer this please
nikitadnepr [17]

Answer:

x=115 y=65

Step-by-step explanation:

You get 115 for X because angle x is vertical to 115 degrees.

You get 65 because y is supplementary to x, and 180-65=115.

4 0
3 years ago
Read 2 more answers
At a raffle, 1000 tickets are sold at $5 each. There are 20 prizes of $25, 5 prizes of $100, and 1 grand prize of $2000. Suppose
Flauer [41]
What is the question of the problem.
4 0
3 years ago
I just need to find the value of b
WITCHER [35]

Answer:

straight line add up to 180 so subtract 42 from 180 thts ur answer

8 0
2 years ago
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