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ryzh [129]
3 years ago
13

If y varies inversely as x and x = 4 when y = 15, find y when x=6

Mathematics
1 answer:
lord [1]3 years ago
7 0

Answer:

y = 10

Step-by-step explanation:

Given y varies inversely as x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition x = 4 when y = 15 , then

15 = \frac{k}{4} ( multiply both sides by 4 )

60 = k

y = \frac{60}{x} ← equation of variation

When x = 6 , then

y = \frac{60}{6} = 10

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Which ordered pair is a solution of the equation? − 7 x + 3 y = 2 −7x+3y=2
Viefleur [7K]

Answer:

Hello There. ☆~\---___`:•€`___---/~☆ The correct answer is C. Both (1,3) and (-2,-4).

To check whether (-2,-4) is a solution of the equation let's substitute x= -2 and y= -4 into the equation:

-7x+3y=2

-7*(-2)+3*(-4)=2

14-12=2

2=2

Do the same thing with (1,3)

-7x + 3y = 2

-7 * 1 + 3 * 3 = 2

-7 + 9 = 2

2 = 2.

Hope It Helps!~ ♡

ItsNobody~ ☆

8 0
3 years ago
What’s the area of this face ?
zloy xaker [14]

Answer:

Step-by-step explanation:

Remark.

I take it we are only concerned with the deep lime face that we can see closest to us.

Construction

Draw one line that goes from the right of the left foot up to the 18 foot line

Draw another line that goes from the left of the right foot up to the 18 foot line.

label the width of the right foot as 18 - 6 - 6 = 6

Solution

Right foot

Area = L * w

L = 12 feet

w = 6 feet

Area = 12*6 =                        72

Left foot   (same area)         72

Area above the door.

Height = 12 - 6 = 6

width  6

Area = 6 * 6 =                       36

Answer: Total Area = 72 + 72 + 36 = 180

3 0
3 years ago
PLEASE HELP! FIRST AND BEST ANSWER WILL BE MARKED BRAINLIST!!<br> second sections
Vika [28.1K]

Answer:

Well, for one thing I can't read the image--it's too small!

But I know these problems well. If I am correct, this is a spinner probability problem.

Your spinner appears to have 5 sectors, all equal in area, therefore making their probability equal.

So each of those has a prob of 1/5 in the scheme of things.

To find the combonational probability below, multiply the prob of each outcome together to find each.

Have a great day, and feel free to comment with questions!

:)

3 0
3 years ago
What is the area of this figure?​
Kipish [7]

Answer:

Area is measured in "square" units. The area of a figure is the number of squares required to cover it completely, like tiles on a floor. Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared.

Step-by-step explanation: hope this helps

4 0
3 years ago
Onyango bought p oranges and later on 1%are bad how many oranges remained​
Paraphin [41]

Answer:

100% all of them

Step-by-step explanation:

he bought (p) oranges so if 1% are bad they are still there, so there are still 100% of the oranges remaining because he hasn't aten any or disposed of any.

3 0
3 years ago
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