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NikAS [45]
3 years ago
10

Suppose that y varies inversely with x. Write an equation for the inverse variation. y=6 when x=8

Mathematics
2 answers:
bazaltina [42]3 years ago
8 0

Answer:

y = 48/x

Step-by-step explanation:

"Inverse variation" means y is proportional to the inverse of x. If the constant of proportionality is represented by k, then ...

y = k/x

Multiplying by x, we find k to be ...

xy = k

So, the given values tell us k is ...

8·6 = k = 48

and the desired equation is ...

y = 48/x

Harrizon [31]3 years ago
5 0

Answer:

i think y = 48/x

Step-by-step explanation:

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PLEASE HELP!!<br><br><br>Find the area of the following triangle enter the exact answer as a decimal
Marta_Voda [28]

Answer:

75.06239187

Step-by-step explanation:

1/2bh= Area of a Triangle

6^2+b^2=8.5^2 because we are missing a side we need to use the pythagorean theorem.

36+b^2=72.25

b^2=36.25

b=6.02

6.02+19= base

25.02

Now area

1/2bh

1/2 (25.02*6)

25.02*6= 150.1247

150.1247/2= 75.06239187 is Area

The above decimals before area are rounded.

6 0
3 years ago
In a fundraiser for thanksgiving a student sells pizza. If a box of pizza cost $14.50 and he sold it for $20.50. What is the mar
oee [108]

Answer:

The markup rate on each box=41%

Step-by-step explanation:

The markup rate is the additional price that a good is sold at expressed as a percentage. This can be expressed as;

R={(S-C)/C}×100

where;

R=markup rate

S=selling price

C=cost

In our case;

R=unknown

S=$20.50

C=$14.50

replacing;

R={(20.5-14.5)/14.5}×100

R=(6/14.5)×100

R=41.38% rounded off=41%

The markup rate on each box=41%

8 0
3 years ago
Student A believes v2/8 is a rational number because it can be written as a fraction
My name is Ann [436]
If so then it is not rational  Square root of 2 is irrational  and any  number formed by multiplying or dividing it by a rational number is also irrational.
8 0
4 years ago
Solve each system by substitution <br> x^2 − 14x + 49 = 4?
DiKsa [7]
The answer would be x=5 or x=9

3 0
4 years ago
Solve for x. Round all answers to the nearest tenth.<br> 9<br> X<br> 12
maria [59]

Step-by-step explanation:

x=54

use pyth then the other line = 15

then 15÷90 = 9÷x

then x = 54

8 0
3 years ago
Read 2 more answers
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