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Over [174]
3 years ago
5

John averaged 82 out of 100 on his first three tests. What was John’s score on the fourth test if his average after the fourth t

est dropped to 79 out of 100?
Mathematics
1 answer:
Natalija [7]3 years ago
3 0

Answer:70

Step-by-step explanation:82+82+82+70=316/4=70

To find the average of multiple number you have to add up all of the numbers and then divide by the amount of numbers (in this case 4). You could easily do this by guess&check in a calculator.

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A computer processes information in nanoseconds. A nanosecond is one-billionth of a second. Write this number as a decimal.
Archy [21]

Answer:

0.000000001

Step-by-step explanation:

Let's convert this :

0.000000001

  tHT      M    B

t=tenths

H=Hundredths

T=Thousandths

M=millionths

B=Billionths

7 0
2 years ago
En un huerto se siembra frijol. Si se pone una planta, produce 3kg de frijol. por cada planta extra que se ponga, todas las plan
Ad libitum [116K]

Answer:

y = -0.07x2 + 3.07x

Step-by-step explanation:

For each plant we add, there is a decrease of 70 grams for all plants from the inicial value of 3 kg of beans.

So, for 2 plants, we have (3 - 0.07) * 2

For 3 plants, we have (3 - 2*0.07) * 3

For x plants, we have (3 - (x-1)*0.07) * x

So we can model the final result of the amount of beans 'y' with the equation:

y = (3 - (x-1)*0.07) * x

y = (3 - 0.07x + 0.07) * x

y = (3.07 - 0.07x) * x

y = -0.07x2 + 3.07x

(In this equation we have a = -0.07, b = 3.07 and c = 0)

7 0
3 years ago
Which number lint represents the solution set for the inequity -1/2x>4
g100num [7]

Answer:

B. x < -8

Step-by-step explanation:

Well first we need to get x by itself.

To do that we do 4 / -1/2 = -8

And since a negative was divided the > changes to a <.

So x<-8.

If x is less than -8 the line starts at -8 and goes to the left.

<em>Thus,</em>

<em>the answer is choice b.</em>

<em />

<em>Hope this helps :)</em>

5 0
3 years ago
Please help guys ♡♡♡♡♡♡​
Oksanka [162]

Answer:

I'm pretty sure the Y position of the eyes is 70.

If the Variable Y is equal to 70, and the Y variable is where the Y axis value goes. Then the Y position of the eyes is equal to the Y variable which is 70. I think that makes sense, but feel free to comment if it does not so that I can help you figure it out.

4 0
3 years ago
(5, 3) and (6, r) m = -1
Rzqust [24]

Answer:

r = 2

Step-by-step explanation:

(2-3)/(6-5)

= -1/1

= -1

6 0
3 years ago
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