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Vladimir [108]
3 years ago
7

a class needs a total of $500 for a filed trip. They already have $285. They are selling jars of peanuts to make the rest of the

money for a filed trip. They make $6 for each jar they sell. What equation can be used to find "n" the number of jars they need to sell?​
Mathematics
1 answer:
ivanzaharov [21]3 years ago
4 0

Answer:

215=6n or 500=6n-285

Answer: 36 bags

Step-by-step explanation:

the first one with 215, the 215 is 500-285

same with the other one

<em><u>Answer:</u></em>

First to find the answer, i will use the first equation.

<u>Divide both sides by 6:</u>

215/6= 35.833333333........

35.83333333........=n

since we cant have .33333333 boxes we have to round up to 36 so t is even

i hope this helps u pls give a brainliest and a thx ;)

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I need help asap thxss​
s2008m [1.1K]

Answer: the first choice

4 0
3 years ago
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Solve??????????????????
faltersainse [42]

Answer:

for me the answer is letter B.

7 0
2 years ago
2(n2 + 1) – 3(n2 – 3) + 3(2n2 – 2),<br> n=(1/4)
IceJOKER [234]

]Answer:

5\frac{5}{16}

Step-by-step explanation:

Substitute the value of the variable into the equation and simplify.

2(\frac{1}{4} ^{2} +1-3(\frac{1}{4} ^{2} -3)+3((2*\frac{1}{4}^{2}  )-2)

Solve it out.

Multiply / divide / add / subtract everything out.

4 0
3 years ago
The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. One day, she counts 21 s
Artemon [7]
U=-2b+30

u+b=21 
<span>in slope intercept form this is </span>
<span>u=-b+21 </span>

<span>The same thing for wheels is </span>
<span>2b+u=30 </span>
<span>or </span>
<span>u=-2b+30</span>
6 0
3 years ago
Let sugar be the explanatory variable and calories be the response variable; which scenario best describes ŷ = 57 + 2.5x?
algol13

Answer: Choice E)

The amount of calories in fruit juice increases by 2.5 for every one gram of sugar. The calorie amount estimated by this model is 57 if there are zero grams of sugar.

=============================================================

Explanation:

x = amount of sugar (in grams)

y = number of calories in the juice

ŷ = estimate of y, so its the estimate of calories in the juice

The regression equation rearranges to ŷ = 2.5x + 57

This is in the form y = mx+b where m = 2.5 is the slope and b = 57 is the y intercept.

The slope tells us what the rate of change is. Specifically, it tells us how much the amount of calories (y) is going up each time the amount of sugar (x) goes up. Each time x goes up by 1, y goes up by 2.5

The y intercept 57 is the starting or initial amount of calories. If you have 0 grams of sugar, the lowest amount of sugar possible, then you start off with 57 calories. We can see this by plugging x = 0 into ŷ = 2.5x + 57 (you should get ŷ = 57). Visually, the y intercept is where the line crosses the y axis.

All of these facts point to choice E as the final answer.

6 0
3 years ago
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