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marta [7]
3 years ago
15

The value of y varies directly with x, and y = 1 when x = 3. Find y when x = 18. A. 9 B. 3 C. 6 D. −2

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0
<span>C. 6 is your answer

1/3 = y/18 
3y = 18
y = 6</span>
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Pls I need help this
Citrus2011 [14]

Answer:

the third side is 4.

Step-by-step explanation:

Using  Pythagorean theorem of a^2 + b^2 = c^2 for right triangles, substitute

the numbers to show (\sqrt{65})^{2} + b^{2} = 9^{2} and solve for b. The square root and square cancel each other out, so you get 65 + b^{2} = 81.

Subtract 65 from both sides to get b^{2} = 16.

Then take the square root of both sides to get b = \sqrt{16} which equals 4.

6 0
3 years ago
A book sold 35400 copies in its first month of release. Suppose this represent 9.7 % of the number of copies sold to date. How m
Nata [24]

Answer:

ADDDDDDDD

Step-by-step explanation:

7 0
2 years ago
Place values for 249.673
irakobra [83]
Hi! 

This question is worded a little funny, but i think in understand what it's asking. Forgive me if i'm wrong. 

Place values in math are pretty self-explanatory. It's just asking you what place each number is in.

For example:

If you were to write the number 12, the 1 would be in the tens place and the 2 would be in the ones place. 

When speaking about decimals, you pretty much just have to add the letters 'th' to the end of the place value, but instead of decreasing as the numbers grow smaller, you increase and the ones place doesn't exist. 

So in this case:

With 249.637, 2 is in the hundreds place. 4 is in the tens place. 9 is in the ones place. 6 is in the tenths place. 7 is in the hundreths place. 3 is in the thousandths place. 

Hope this helps :)
3 0
3 years ago
Which situation could best be represented by this linear equation?<br><br> 2.75x + 3.25y = 215
Zepler [3.9K]
<span>2.75x + 3.25y = 215
</span>
answer is the last one (D)

4 0
2 years ago
Read 2 more answers
What is the 100th term of the sequence if the first term is 5<br> and the common difference is 2?
BabaBlast [244]

Answer:

505

Step-by-step explanation:

sn=2a+(n-1)d

2*5+(100-1)5

10+(99)5

505

4 0
2 years ago
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