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ikadub [295]
3 years ago
6

Can someone help me please

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0
Add 5x + 5 and that is the bottom of it and the top stays 1
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Find the slope of the line whose equation is 3x+6y=9. <br> How do I solve this?
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If you need to get to nine the answer is...
6+3 or 3x1+6
8 0
3 years ago
An apple farmer is deciding how to use each day’s harvest. She can use the harvest to produce apple cider or apple juice for the
vitfil [10]

Answer:

A)

There are 18 bushels of apples.

1 bushel of apples will make 20 quarts of apple cider.  

1 bushel of apples will make 15 quarts of apple juice.

x = number of bushels to make cider out of.

y = number of bushels to make juice out of.

B)

As there are 18 bushels

x + y = 18

The apple farmer needs to produce a total of 330 quarts.

1 bushel of apples will make 20 quarts of apple cider.  

1 bushel of apples will make 15 quarts of apple juice.

20x + 15y = 330

C)  

x + y = 18. Thus we can express y in terms of x:

y = 18 - x

We can substitute the y in 20x + 15y = 330 and solve for x:

20x + 15 (18 - x) = 330

20x + 270 - 15x = 330

5x = 60

x = 12

And as y = 18 - x

y = 18 - 12  

y = 6

[ C_1 ]: We could have done the same with x, expressing x in terms of y:

x = 18 - y, substitute the x in 20x + 15y = 330 and solve for y:

20 (18 - y) + 15y = 330

360 - 20y + 15y = 330

-5y = -30

y = 6

And as x = 18 - y

x = 18 - 6

x = 12

D)

As we had defined in A)  

x = number of bushels to make cider out of

y = number of bushels to make juice out of,

there will 12 bushels of apples be processed into cider and

there will 6 bushels of apples be processed into juice

in order to produce

20 quarts of cider per bushel * 12 bushels = 240 quarts of cider, and

15 quarts of juice per bushel * 6 bushels = 90 quarts of juice,

which sum up to a total of

240 + 90 = 330 quarts of apple beverages, as required.

5 0
3 years ago
Help pls ????????!!!!!!
7nadin3 [17]

Answer:

let the number of steps taken by friend 1, 2 and 3 be: x, y and z respectively

we know that the mean of the total steps taken by all the friends is 10,350

Since the formula for mean is: sum of all values / number of values

here, the total values is the total number of steps taken

So,

steps taken by friend 1  +steps taken by friend 2 +steps taken by friend 3 +steps taken by friend 4 +steps taken by friend 5 +steps taken by friend 6

all that divided by 6 will give us the mean

so,  <em>7800 + 8000 + 9800 + x + y + z / 6</em>

<em>(25600 + x + y + z)/6 = 10350</em>

<em>25600 + x + y + z = 10350 * 6</em>

<em>x + y + z = 62100 - 25600</em>

x + y + z = 36500

So since the sum of x, y and z is 36500,

we can say that the average value of x , y and z is 12167 (36500/3)

So the next thing to make an equation out of is Median

to find the median, we need to arrange the values in any order you like, i will arrange in descending order

so since the estimated value of all x , y and z is greater than the greatest known value:

x > y > z > 9800 > 8000 > 7800

Since this set of values has an even number of values, we will take the average of the middle 2 values as the median

<em>(9800 + z)/2 = 10000</em>

<em>9800 + z = 20000</em>

z = 10200 -------- we have found one of the three values! getting closer

Now, the final equation will be found from the range

since we already have sorted our data, and the difference of the highest and lowest is the range

x > y > z > 9800 > 8000 > 7800

So, x - 7800  = 7500

x = 15300 ------- now that we have x and z, we can use the first equation to find the value of y and we will be done!

<em>x + y + z = 36500</em>

<em>replacing the values</em>

<em>15300 + y + 10200 = 62100</em>

<em>y = 36500 - 25500</em>

<em>y = 11000</em>

So the three remaining friends walked

15300, 11000 and 10200 steps

6 0
3 years ago
Student researchers investigated whether balsa wood is less elastic after it has been immersed in water. They took 60 pieces of
kolbaska11 [484]
I actually dont know this
5 0
2 years ago
If a football player passes a football from 4 feet off the ground with an initial velocity of 36 feet per second, how long will
Sergeeva-Olga [200]

Answer:

A. 0.72

Step-by-step explanation:

When the ball hits the ground, h = 0.

0 = -16t² + 6t + 4

0 = 8t² − 3t − 2

Solve with quadratic formula:

t = [ 3 ± √(9 − 4(8)(-2)) ] / 16

t = (3 ± √73) / 16

t = 0.72

8 0
3 years ago
Read 2 more answers
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