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3 years ago

F(x)=-(x+7)^2+4 which of the following

Mathematics

1 answer:

solmaris [256]3 years ago

3 0

Answer:

(x+7)^2+4

Step-by-step explanation:

(x+7)^2 + 4

x^2+14x+49+4

x^2+24x+53

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GIVING AWAY 10 POINTS!!!!!! What is the solution to the system of equations? x = y + 4

slega [8]

Answer:

x= -6, y= 10

Step-by-step explanation:

x= y + 4

2x = 3y - 2

If we replace "x" with "y+4" in the second equation we get:

2(y+4) = 3y - 2

2y + 8 = 3y - 2

2y - 3y = -2-8

-y = -10

y = 10

Now we can go back to the first equation and solve for x:

x = y + 4

x = 10 + 4 = 14

8 0

3 years ago

There are between 24 and 40 students in a class

defon

So,whats your question????

8 0

3 years ago

Need Help me ASAP!!!!

pantera1 [17]

Answer:

First option y=3/5x

Step-by-step explanation:

Because if you look on the graph, at x=5, y=3

in the equation, plug in x=5, you cancel out denominator left with y=3

please hit the heart button :) good luck

5 0

3 years ago

If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?

erastovalidia [21]

I hope this helps you

3 0

3 years ago

A student determined that the area of the segment of c shown above is Asegment = 137.71 ft2. The student's work is shown below.

ivolga24 [154]

Answer:

Option D. The student did not use the correct formula to calculate the area of the segment

Step-by-step explanation:

step 1

Find the area of the isosceles triangle

Applying the law of sines

$A=\frac{1}{2}(12^{2})sin(60\°)=62.35\ ft^{2}$

step 2

Find the area of the sector

The area of the sector is 1/6 of the area of the circle

$A=\pi r^{2}/6$

substitute the value

$A=(3.14)(12)^{2}/6=75.36\ ft^{2}$

step 3

Find the area of the segment

The area of the segment is equal to the area of sector minus the area of triangle

$A=75.36\ ft^{2}-62.35\ ft^{2}=13.01\ ft^{2}$

therefore

The student did not use the correct formula to calculate the area of the segment

4 0

3 years ago