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DENIUS [597]
3 years ago
11

two boxes of apples contain a total of 24 apples. if you halve the number of apples in the first box and add 4 apples to the sec

ond box, the total changes to 20 apples. how many apples are in each box initially?
Mathematics
2 answers:
Llana [10]3 years ago
8 0
There was 16 apples in the first box and 8 apples in the second box initially.
stira [4]3 years ago
3 0

Answer:

16 in first and 8 in second

Step-by-step explanation:

Let the number of apples be x in the first box then the number in the second box will be 24-x

if we half the number of apples in first box we get  \frac{x}{2}

And we add 4 apples in the second box we get 24-x+4=28-x

Since the apples in the two boxes were 20  we get

\frac{x}{2}+28-x=20

x+56-2x=40

After simplification we get:

x=16

Hence, number of apples in first box were x that is 16

And number of apples in second box were 24-x that is 24-16 is 8


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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bars(s).
kirza4 [7]

Answer:

(a)23 (b)90 (c)3

Step-by-step explanation:

The equation for the line of best fit for this situation is given as

y=\frac{3}{10}x+8

where x=average temperature in degrees

y=average number of hot dogs she sold,

(a) The expected number of hot dogs sold when the temperature is 50° would be___hot dogs.

When x=50°

y=\frac{3}{10}X50+8=15+8=23

When the temperature is 50°, the expected number of hot dogs sold would be 23.

(b)If the vendor sold 35 hot dogs, the temperature is expected to be ___degrees.  

If y=35

35=\frac{3}{10}x+8\\35-8=\frac{3}{10}x\\27=\frac{3}{10}x

Multiply both sides by 10/3

27 X \frac{10}{3}= \frac{3}{10}x X \frac{10}{3}\\x=90^{0}

If the vendor sold 35 hot dogs, the temperature is expected to be 90 degrees.  

(c) Based on the line of best fit, for every 10-degree increase in temperature, she should sell 3 more hot dogs.

3 0
3 years ago
What is this answer?
Shtirlitz [24]

Answer:

1/2

Step-by-step explanation:

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4 0
3 years ago
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Rzqust [24]
So she has 400 and 500 so far.

now if she were to have an average of 2300 for the next 5 years, that means some years she made more, some she made less, but in the 5 years run, she made 2300 * 5 or 11500 total.

Neverminding the lows and highs, if we bundle up the 11500 bucks and divide by 5, that'd 2300, which is what's called the average, the average amount doesn't take into account that some numbers are higher than others, it kinda just flattens them out.

so in total she would have made 11500 in each account.

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so if she earns 3666.67 each year, for the next 3 years, she'd have 11500 bucks in 5 yeas with an average of 2300.
4 0
3 years ago
13.79-x for x=2.54<br> What is the answer
schepotkina [342]

Answer:

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Step-by-step explanation:

13.79-x

Let x= 2.54

13.79-2.54

11.25

3 0
4 years ago
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Question 5 PLEASE HELP What is the graph of 3x+6y=-18
Crank

Answer:

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