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4 years ago

12

I’m not really good at answering these with letters in it so would the answer be H to the power of six

1 answer:

r-ruslan [8.4K]4 years ago

5 0

The answer is h to the power of 7 because you add the exponents

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9x + 12 - 5x =-4<br><br> Help

Talja [164]

Answer:

x = -4

Step-by-step explanation:

I'm assuming we solve for x, so Let's solve for x!

First, combine like terms.

4x + 12 = -4

Now subtract -12 from each side.

4x = -16

Now, divide by 4 from each side.

x = -4

8 0

3 years ago

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You offer senior citizens a 20% discount on their tune-ups at your gas station. Assuming that an average of 50 senior citizens g

GREYUIT [131]

X over 49.5 and 20 over 100 then you cross multiply and you get 100x is equal to 990 you divide 100x and 990 both by 100 and get x and 9.9 then you have 50 seniors a month that you give the discount to so you multiply 9.9 by 50 and get 495 so the total discount you give on an average monthly basis is $495.00 Hope this helped

7 0

4 years ago

Use f(x) = 5x+2 and g(x)=x-3<br> to find (f+g)(x).<br> A 5x-1<br> B 5x^2-6<br> c 6x-1<br> D 6x+5

kykrilka [37]

Answer:

d took test

Step-by-step explanation:

egdgxyzydd7fufyfgdvdvxvxhdfrhrhthrueurgrgrhrhrbr

5 0

3 years ago

What is 15.25 percent of 900

riadik2000 [5.3K]

15.25 percent of 900 will be 137.25 just look it up on google

3 0

3 years ago

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which statements are true about the graph of the function f(x) = 6x – 4 x2? check all that apply. the vertex form of the functio

Brut [27]

Answer:

The vertex of the function is the point $(-3,-13)$

The graph increase over the interval--------> (-3,∞)

Step-by-step explanation:

we have

$f(x)=6x-4+x^{2}$

<u>1) Convert to vertex form</u>

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$f(x)+4=x^{2}+6x$

Complete the square. Remember to balance the equation by adding the same constants to each side

$f(x)+4+9=x^{2}+6x+9$

$f(x)+13=x^{2}+6x+9$

Rewrite as perfect squares

$f(x)+13=(x+3)^{2}$

$f(x)=(x+3)^{2}-13$ -----> function in vertex form

<u>2) Find the vertex</u>

The vertex of the function is the point $(-3,-13)$

<u>3) Find the axis of symmetry</u>

we know that

In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex

The x-coordinate of the vertex in this problem is equal to $x=-3$

therefore

the equation of the axis of symmetry is $x=-3$

<u>4) Find the increase-decrease intervals</u>

The graph increase over the interval--------> (-3,∞)

The graph decrease over the interval--------> (-∞,-3)

see the attached figure to better understand the problem

<u>5) Find the x-intercepts of the function</u>

we know that

the x-intercepts are the values of x when the value of the function is equal to zero

In this problem the x-intercepts are

$(-6.61,0)$ and $(0.61,0)$

so

The function cross the x-axis twice

see the attached figure

5 0

4 years ago

Read 2 more answers