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galben [10]
2 years ago
15

Suppose y varies inversely with x, and y = 32 when x = 4. What is the value of y when x = 8?

Mathematics
1 answer:
bulgar [2K]2 years ago
6 0

Answer:

16

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

x=4 and y = 32

4*32 = k

128 = k

xy = 128

Let x = 8

8y = 128

Divide each side by 8

8y/8 = 128/8

y =16

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The product of two numbers is 20. If one number is 5/7 what is the other number
Nostrana [21]
28. 5/7(x)=20

X=28

Hope this helps! :)
5 0
2 years ago
Can you answer this pls its for my test
Troyanec [42]

Answer:

I think it is D becuz if we did this on the mincrosoft math solver we get this D

Step-by-step explanation:

OK hope it help you

7 0
2 years ago
Choose the equation below that represents the line passing though the point(-5, 1) with a slope of 2/3
neonofarm [45]
Y=2/3x+7/3 is an equation that passes through the point (-5,1) with a slope of 2/3
3 0
3 years ago
I WILL GIVE BRAINLEST PLEASE HELP
guapka [62]

Answer:

A

Step-by-step explanation:

In this question, we are concerned with selecting which of the options best represents the difference of two squares.

Let’s have an exposition below as follows;

Consider two numbers, which are perfect squares and can be expressed as a square of their square roots;

a^2 and b^2

where a and b represents the square roots of the numbers respectively.

Inserting a difference between the two, we have;

a^2 - b^2

Now by applying the difference of two squares, these numbers will become;

a^2 - b^2 = (a + b)(a-b)

So our answer out of the options will be that option that could be expressed as above.

The correct answer to this is option A

Kindly note that;

x^2 -9 can be expressed as x^2 - 3^2 and consequently, this can be written as;

(x-3)(x + 3)

7 0
3 years ago
TX is the perpendicular bisector of Su. What is the length of SU?
9966 [12]

Answer:

SU = 20

Step-by-step explanation:

Given

Triangle TSU

Bisector TX

Required

Length of SU

A line is said to be a perpendicular bisector if and only if it divides a line segment into two equal lengths;

This means that line TX divides line SU into two equal part.

This implies that

SU = SX + UX

and

SX = UX

Substitute SX = UX; The expression becomes

SU = UX + UX

Recall that UX = 10;

So, the above expression becomes

SU = 10 + 10

SU = 20

Hence, the length of is 20

6 0
3 years ago
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