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fenix001 [56]
4 years ago
12

If y varies directly with x and y = 6 and x = -3, find y when x = 4.

Mathematics
2 answers:
Ber [7]4 years ago
8 0

Ask questions in the comment section if you have questions. I'm happy to help! <3

Step-by-step explanation:

What the question is telling you is that x and y and proportional, almost like a ratio.

<h2>x : y</h2><h2>-3 : 6</h2>

Now we have to find y when x is four.

<h2>-3 : 6</h2><h3>     to </h3><h2> 4 : y</h2><h2 />

Let's create a proportional equation...

<h3>(-3 / 6) = 4 / y</h3><h3>- 1 / 2 = 4 / y</h3>

What can we divide by four to create -1/2?

<h2>y = -8.</h2>
Citrus2011 [14]4 years ago
6 0

Answer:

y = -8

Step-by-step explanation:

6/-3 = -2

4 * -2 = -8

y = -8

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More "work"...

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7 0
3 years ago
If
Allisa [31]

Answer:

t= 0

Step-by-step explanation:

Using the rules of logarithms

log x + log y = log(xy)

log_{b} 1 = 0

Given

log_{x} a + log_{x} \frac{1}{a} = t ,then

log_{x} (a × \frac{1}{a} ) = t

log_{x} 1 = t , thus

t = 0

7 0
3 years ago
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Find the surface area of the prism.
Katen [24]

Answer:

204

Step-by-step explanation:

6*10=60

6*6=36

6*8=48

2((10*6)/2)=60

60+60+36+48=204

8 0
2 years ago
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In 5 blank, 278, the difference between the value of the digits in the blank and the blank. What is the blank digit in
Katarina [22]

Answer: The digit in the thousand place is '9'.

Step-by-step explanation: The given number is 5_278.

The difference between the values of the digits in the thousandth place and the tenth place is 8930.

The digits in the tenth place is already given, which is 7

Let's assume the digits in the thousandth place is x,

8 0
3 years ago
Susana runs 2 3/4 miles every 1/4 hour. Enter the number of miles Susana can run in 1 hour
DerKrebs [107]

Answer:

Step-by-step explanation:

If Susana runs 2 3/4 miles per 1/4 hour

in one hour

2 3/4=11/4

1h=11/4 *4=11 miles

11 miles/hour

7 0
3 years ago
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