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3 years ago

12y x6 My Teacher told me To answer this and she will give me 30 points

Mathematics

1 answer:

DaniilM [7]3 years ago

4 0

Answer:

its 72y

Step-by-step explanation:

12 *6=72

Add the y = 72y

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If y varies inversely with the square of x, and y = 26 when x = 4, find y when x = 2.

eduard

Answer:

D. 104

Step-by-step explanation:

$y \: \alpha \: \frac{1}{ {x}^{2} } \\ \\ y = \frac{k}{ {x}^{2} }$

when y is 26, x is 4:

$26 = \frac{k}{ {(4)}^{2} } \\ k = 416$

when x is 2:

$y = \frac{416}{ {x}^{2} } \\ \\ y = \frac{416}{ {(2)}^{2} } \\ y = 104$

3 0

2 years ago

A set of weights includes a 10 lb barbell and 8 pairs of weight plates. Each pairof plates weighs 20lbs. If x pairs of plates ar

Leni [432]

It is given that the weight of the barbel is given by:

$f(x)=20x+10$

It says that there are eight pair of weights so x can take values from 0 to 8 and f(x) can take the values as follows:

$\begin{gathered} x=0,f(x)=10 \\ x=1,f(x)=30 \\ x=2,f(x)=50 \\ x=3,f(x)=70 \\ x=4,f(x)=90 \\ x=5,f(x)=110 \\ x=6,f(x)=130 \\ x=7,f(x)=150 \\ x=8,f(x)=170 \end{gathered}$

So the range is:

$\mleft\lbrace10,30,50,70,90,110,130,150,170\mright\rbrace$

Option B is correct.

4 0

1 year ago

PLEASE, WILL GIVE BRAINLIEST! THANKS! Hey guys LOL

Doss [256]

Answer:

y=1x-4

Wait sorry I did it wrong the first time lol.

In standard Form, it should be 4x-4y=16

Step-by-step explanation:

yes yes hand me brain

5 0

3 years ago

What’s the answer and what does it equal to

Maurinko [17]

Answer:

E'F'/EF = 4/2 = 2

F'G'/FG = 3/4 = 0.75

Step-by-step explanation:

From the graph shown, the distance between E' and F' is E'F'. Hence;

E'F' = 8 - 4 = 4

EF = 4 - 2 = 2

Hence E'F'/EF = 4/2 = 2

SIMILARLY,

F'G' = G' - F'

F'G = 9 - 6 = 3

FG = G - F

FG = 5 - 1 = 4

F'G'/FG = 3/4

F'G'/FG = 0.75

7 0

3 years ago

You make a pie chart. In one pie, you see 7/8 and in the other you see 7/12.. In 7/8 there is more shaded then not... In 7/12, i

vladimir1956 [14]

7/8>7/12 so there are more shaded parts at 7/8

3 0

4 years ago

Read 2 more answers