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Anna35 [415]
3 years ago
9

What is the polar form of 7 StartRoot 3 EndRoot minus 7 i?

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

14(cos(330 degrees) + i sin(330 degrees))

option D

Step-by-step explanation:

edge 2020

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Joe buys candy that costs $7 per pound. He will spend at least $56 on candy. What are the possible numbers of pounds he will buy
Westkost [7]

Answer:

8 pounds(lbs)

Step-by-step explanation:

If a candy costs $7 per pound, $56 divided by $7 will equal 8 pounds.

6 0
3 years ago
Read 2 more answers
2605 rounded to the nearest hundred
Fittoniya [83]
It would round to 2600
8 0
3 years ago
A gift shop sells 140 wind chimes per month at $90 each. The owners estimate that for each $5 increase in price, they will sell
guapka [62]

Answer: $95

Step-by-step explanation:

Te new price will be 90 + 5x, if the price increases "x" times

The number of wind chimes sold per month will become 140 - 7x

\begin{aligned}&\text {Revenue, } \mathrm{R}(\mathrm{x})=(90+5 \mathrm{x})(140-7 \mathrm{x}) \\&R^{\prime}(x)=5(140-7 x)-7(90+5 x) \\&R^{\prime}(x)=700-35 x-630-35 x \\&R^{\prime}(x)=70-70 x=0 \\&70 x=70 \\&x=1\end{aligned}

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum

6 0
3 years ago
PLS HELP ME, PLS THIS IS DUE FIRST CORRECT ANSWER GETS BRAINLIEST​
AysviL [449]

Answer:

Step-by-step explanation:

The first choice is correct

The rate is 20 per dog, thus we get the equation:

c= 20d

However the first dog is free, so the equation becomes

c = 20(d - 1)

And he also has a walking fee of 85 dollars and thus the equation becomes

c= 85 + 20(d-1)

5 0
2 years ago
11. Find the area of each figure. Show all your calculations a. 3 cm 13 cm
Firlakuza [10]

Answer:

39

Step-by-step explanation:

A=lw

Area = length * width

A = 3 * 13

A=39

Hope this helps

6 0
3 years ago
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