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swat32
2 years ago
7

It is stated that two quantities vary inversely if one changes by the inverse ratio of the second. So, what happens to the secon

d quantity y if the first quantity x doubles or triples?
Mathematics
1 answer:
yarga [219]2 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

since the quantities are related inversely,If the first quantity doubles, the second is divided by.

and If the first quantity triples, the second is divided by 3.

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Is 12 a solution to the equation × - 8 = 20? Explain how you know.
jeyben [28]

We have the following:

x-8=20

solving for x

\begin{gathered} x=20+8 \\ x=28 \end{gathered}

The solution of x is equal to 28, therefore 12 is not a solution of the equation

5 0
1 year ago
Sam received 74 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball,and bat. He ha
tigry1 [53]

Answer:

he spent 48 dollars

Step-by-step explanation:

74-x=26

or

74-26=x

8 0
3 years ago
The cost to mail a letter is a base charge of $0.42 plus $0.17 for each ounce. Write an equation that could be used to find how
tresset_1 [31]

Answer:

D) 0.42 + 0.17 x = 0.93

Step-by-step explanation:

0.93 - 0.42 = 0.51

0.51 / 0.17 = 3

3 ounces and the answer is D

3 0
2 years ago
PLZZ HELP I NEED HELP
Mkey [24]

Step-by-step explanation:

1) let the number=x

six times a number=6x

Condition:

6x+4=22

2) eleven times a number=11x

Condition:

11x-5=50

3) 9 times a number=9x

Condition:

9x-7=-16

<u>N</u><u>o</u><u>t</u><u>e</u><u>:</u><u>i</u><u>f</u><u> </u><u>y</u><u>o</u><u>u</u><u> </u><u>n</u><u>e</u><u>e</u><u>d</u><u> </u><u>t</u><u>o</u><u> </u><u>a</u><u>s</u><u>k</u><u> </u><u>a</u><u>n</u><u>y</u><u> </u><u>question</u><u> </u><u>please</u><u> </u><u>let</u><u> </u><u>me</u><u> </u><u>know</u><u>.</u>

3 0
2 years ago
Write the polynomial of least degree with roots -2, 0, 1.
joja [24]
So since -2, 0, 1 are the roots:

Therefore  x = -2,  x = 0 ,  x = 1

Implies that:

x = 2        x - 2 = 0

x = 0          x = 0

x = 1        x - 1 = 0


Therefore    (x - 2)x(x - 1) = 0

(x - 2)(x - 1) =   x(x - 1) - 2(x - 1) =  x² - x - 2x + 2 = x² - 3x + 2

(x - 2)x(x - 1) = 0

(x - 2)(x - 1)x = 0

(x² - 3x + 2)x = 0

x*x² - x*3x + x*2 = 0

x³ - 3x² + 2x = 0

This is the polynomial with the least degree, because it possible for another polynomial with higher power to still have the same root.

 x³ - 3x² + 2x = 0    is the polynomial.

I hope this helps.
6 0
3 years ago
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