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Nataly [62]
2 years ago
15

Use 3 darts. Each dart must hit the board.

Mathematics
1 answer:
Nadya [2.5K]2 years ago
4 0

THE CORRECT ANSWER: 3

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Find the sum of A and B: A=5+7i, B=7+4i
ale4655 [162]

Answer:

add real numbers together and imaginary numbers together

A + B = 12 + 11i

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which equation represents a line which is parallel to the line x-8y=48 x−8y=48?
Daniel [21]
When the slopes of two lines are equal,they are parallel.
x - 8y = 48 \\  - 8y =  - 1x + 48 \\ y =  \frac{1}{8}x  + 6
so the equation of the parallel line to this one is :
y =  \frac{1}{8} x
hope this helps
3 0
3 years ago
The local library had a sale to get rid of the books that were slightly damaged it’s on paper back books for two dollars and har
kondor19780726 [428]

Answer:

The Local Library sold <u>31</u> hardcover books.

Step-by-step explanation:

Let number of paper back books be 'x'.

Let number of hardcover books be 'y'.

Given:

Total number of books sold = 89

Now Total number of books sold is equal to sum of number of paper back books and number of hardcover books.

framing in equation form we get;

x+y=89 \ \ \ \ \ equation \ 1

Now Given:

Cost of each paper back books = $2

Cost of each hardcover books = $5

Total Amount raised by library = $271

Now We know that Total Amount raised by library is equal to Cost of each paper back books multiplied by number of paper back books plus Cost of each hardcover books multiplied number of hardcover books.

framing in equation form we get;

2x+5y=271 \ \ \ \ equation \ 2

Now Multiplying equation 1 by 2 we get;

2(x+y)=89\times2\\\\2x+2y = 178 \ \ \ \ equation \ 3

Now Subtracting equation 3 from equation 2 we get;

(2x+5y)-(2x+2y)=271-178\\\\2x+5y-2x-2y=93\\\\3y = 93\\\\y=\frac{93}{3}=31

Substituting the value of y in equation 1 we get;

x+y =89\\\\x+31=89\\\\x =89-31 = 58

Hence The Local Library sold 58 paper back books and <u>31</u> hardcover books.

8 0
3 years ago
How do i do these two while using a proportion?
AnnZ [28]
For #2, the proportion would be .40/.25 and x/15, then you would cross multiply to find x. and for #3 the proportion would be 15/6 and 75/x and again you would cross multiply to find x. (:
7 0
3 years ago
Please help me ASAP thank you
Allisa [31]

101+ 6x-5=180

6x=84

x=14

hope this helps!

5 0
3 years ago
Read 2 more answers
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