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nignag [31]
3 years ago
5

A parabola has its vertex at (4,-2). one of the zeros is 1. what is the other zero?

Mathematics
1 answer:
Andre45 [30]3 years ago
6 0
0.0045 is the answer so if wrong
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4 years ago
the school decides to raise prices of lunches. The old price for a lunch was $0.75 . Seth buys the school lunch 5 days a week. w
Elina [12.6K]

Answer:

5*0.75= 3.75 he'll spend $3.75 on lunch every week.


Step-by-step explanation:


5 0
3 years ago
X+y=0.5<br> x-y=1<br> elimination meathod
user100 [1]

Answer:

x=0.75, y=-0.25

Step-by-step explanation:

We can add the two equations to eliminate y and solve for x.

x+y+x-y=0.5+1

2x=1.5

x=0.75

Now, we can find for y by using substitution:

x+y=0.5 (given)

0.75+y=0.5

y=-0.25

Hope this helps :)

8 0
3 years ago
Consider function f.
tekilochka [14]

Given:

The function is:

f(x)=\sqrt{7x-21}

To find:

The steps of finding the inverse function f^{-1}(x).

Solution:

We have,

f(x)=\sqrt{7x-21}

The steps of finding the inverse function are:

Step 1: Substitute f(x)=y.

y=\sqrt{7x-21}

Step 2: Interchange x and y.

x=\sqrt{7y-21}

Step 3: Taking square on both sides, we get

x^2=7y-21

Step 4: Adding 21 on both sides, we get

x^2+21=7y

Step 5: Divide both sides by 7.

\dfrac{1}{7}x^2+3=y

Step 6: Substitute y=f^{-1}(x).

\dfrac{1}{7}x^2+3=f^{-1}(x), where x\geq 0.

Therefore, the inverse of the given function is f^{-1}(x)=\dfrac{1}{7}x^2+3 and the arrangement of steps is shown above.

7 0
3 years ago
Solve the following please
Dima020 [189]

Answer:

x=4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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