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Komok [63]
3 years ago
9

At the end of an experiment, a rat weighed 3.1 times its original weight. If the rat originally weighed 5.8 ounces, about how mu

ch did it weigh after the experiment?
A: 15 ounces

B: 18 ounces

C: 20 ounce

D: 24 ounces
Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Answer:

sorry for the late response but its B

Step-by-step explanation:

i have this on edge2020 :)

forsale [732]3 years ago
5 0

Answer:

B

Step-by-step explanation:

5.8 multiplied by 3.1 equals 17.98, and you can round to 18 ounces.

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ziro4ka [17]
X = 2y
2x + 2y = 24
So if x = 2y that means 2x = 4y. Which means that 2x + 2y = 24 can be written as 4y + 2y = 24. Simplified to 6y = 24. Now we need to get 1y so we divide both sides by 6, 6y/6 = y and 24/6 = 4. so y = 4. so x= 2y can be written as x = 8.
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marissa [1.9K]
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3 years ago
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Lena [83]

Answer:

Manufacturers has to produce 63 DVD/Blu-Ray players to achieve a minimum cost of $644

Step-by-step explanation:

The cost equation is given as:

C=0.04x^2-5x+800

This is a quadratic equation in general form, which is:

y=ax^2+bx+c

Matching, we can say:

a = 0.04

b = -5

c = 800

The minimum occurs at  x=-\frac{b}{2a}

and the minimum value would be to place that "x" value into the equation.

First, we find the minimum using values of a and b:

x=-\frac{b}{2a}=-\frac{-5}{2(0.04)}=\frac{5}{0.08}=62.5

Plugging this into original, we get:

C=0.04x^2-5x+800\\C=0.04(62.5)^2-5(62.5)+800\\C=643.75

Rounding off to nearest whole number, we can say:

Manufacturers has to produce 63 DVD/Blu-Ray players to achieve a minimum cost of $644

4 0
3 years ago
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bija089 [108]

Answer:

It is either 2 or 4, I think it might 2, kind of hard to tell. Sorry if neither of my educative guesses are correct.

Step-by-step explanation:

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Determine how the next term in each sequence can be found 1.5, 3.9, 6.3, 8.7​
scoray [572]

Answer:

The next term in the sequence can be determined by subtracting 1.5 from 3.9 which is 2.4 and then you test it and say 3.9 plus 2.4 is 6.3 then plus 2.4 is 8.7 then the next term would be 11.11

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3 years ago
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