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vitfil [10]
3 years ago
8

Suppose f(x)=x.Find the graph of f(x)+4

Mathematics
1 answer:
Anton [14]3 years ago
3 0

Answer:

Step-by-step explanation: the slope would be 1 and the y intercept would be 4.

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Judy is selling small candles at the fair for $4 each and large candles for $6 each. She collected $144 selling a total of 28 ca
Pepsi [2]

Answer:

Number of small candles = 12

Number of large candles = 16

Step-by-step explanation:

Total candles = 28

x + y = 28 ---------------(I)

Cost of 'x' small candles = 4 *x = 4x

Cost of 'y' large candles = 6 *y = 6y

Total amount = $144

4x + 6y = 144 -------------(II)

Multiply equation (I) by (-4) and then add the equation. So, x will be eliminated and we can find the value of 'y'

(I) * (-4)            -4x - 4y = -112

(II)                  <u>  4x  + 6y = 144</u>              {Now, add}

                               2y = 32

                                y = 32/2

y = 16

Plug in y = 16 in equation (I)

x + 16 = 28

       x = 28 - 16

x = 12

4 0
2 years ago
Read 2 more answers
the first group of students consists of 10 and their average age was 13 years old the next group consisted of 30 students and th
Kazeer [188]

Answer: The average was 9 years old find the average age of both groups is 10 years old.

Step-by-step explanation:

Formula foe average : \text{Average} =\dfrac{\text{Sum of all observations}}{\text{Number of observations}}

Given : The first group of students consists of 10 and their average age was 13 years old.

i.e. 13=\dfrac{\text{Sum of ages of students of first group}}{10}\\\\\Rightarrow\ \text{Sum of ages of students of first group}=13\times10=130      (1)

The next group consisted of 30 students and their average was 9 years old.

i.e. 9=\dfrac{\text{Sum of ages of students of next group}}{30}\\\\\Rightarrow\ \text{Sum of ages of students of nextgroup}=9\times30=270      (2)

Then from (1) and (2) , the sum of both groups (first group and next group )students = 130+270 =400

Combined students of both groups (first and next group )= 10+30=40

Now , the average of both groups =\dfrac{\text{Sum of combined students}}{\text{combined students}}

=\dfrac{400}{40}=10

Hence, the average was 9 years old find the average age of both groups is 10 years old.

4 0
3 years ago
Hao dog ate 40 cans of dog food in 31 days how many cans does hao need to buy for the next 6 days
guajiro [1.7K]

40 divides by 31 = 1.29 which is 1 1/3 cup per day

1.29 x 6 days = 7.74 cans

About 7 3/4 cans in 6 days

5 0
3 years ago
one serving of a cookie recipe calls for 6 tablespoons of sugar. if one serving makes enough for 4 people, how much sugar is nee
Whitepunk [10]
15 tablespoons of sugar is needed for 10 people
8 0
3 years ago
Suppose milk is selling for 87.5¢ per litre. How many litres can you buy with $20?
lutik1710 [3]
3 becuse you put the numbers wrong
8 0
2 years ago
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