4 years ago

travel earns $25 a day working afther school at the supermarket. how much money will he earn in d days

Mathematics

1 answer:

hichkok12 [17]4 years ago

4 0

Answer:

Hi!

Your answer is:

25d

Since we aren't aware of how many days he is working, we substitute a variable (d) in for it!

I hope this helps!

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3 years ago

The image of a parabolic lens is traced onto a graph. The function f(x) = (x + 8)(x – 4) represents the image. At which points d

alexandr402 [8]

Answer:

x = -8 and x = 4

Step-by-step explanation:

given

f(x) = (x+8) (x - 4)

recall that at any point on the x-axis, y = 0 [i.e f(x) = 0]

hence to find where the graph crosses the x-axis, we simply substitue f(x) = 0 into the equation and solve for x

f(x) = (x+8) (x - 4)

0 = (x+8) (x - 4)

Hence

either,

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Hence the graph crosses the x-axis at x = -8 and x = 4

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3 years ago

If the average of x and y is 11 and the average of x, and y z is 5 what is the value of z

qwelly [4]

If the average of x and y is 11 and the average of x, y and z is 5, then the value of z is -7

Given,

The average of x and y = 11

We know average = Sum of the terms / Number of terms

Then, the equation will become

$\frac{x+y}{2}=11$
x+y =11×2

x+y =22

Average of x, y and z = 5

$\frac{x+y+z}{3}=5$

x+y+z = 5×3

x+y+z =15

Substitute the value of x+y

22+z=15

z =15-22

x = -7

Hence, If the average of x and y is 11 and the average of x, y and z is 5, then the value of z is -7

Learn more about average here

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2 years ago

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Sergeeva-Olga [200]

The answer would be C. 3/12 (Reduced 1/4) (Decimal 0.25) I hope this helped ^^

4 0

4 years ago

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travel earns $25 a day working afther school at the supermarket. how much money will he earn in d days​

travel earns $25 a day working afther school at the supermarket. how much money will he earn in d days