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leonid [27]
3 years ago
12

Giving brainliest to the most accurate

Mathematics
1 answer:
Rudik [331]3 years ago
4 0

<h2>\huge{Answer}</h2>

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Please show work <br> ill mark the brainlest
Darina [25.2K]

Answer:

D

Step-by-step explanation:

The circle is filled in and the numbers are going lower so x is less than or equal to 7. I hope this helps and have a great day!

5 0
3 years ago
Read 2 more answers
What are the vertex and axis of symmetry of the parabola y = x2 – 16x + 63?
jonny [76]

Answer:

A

Step-by-step explanation:

Remember that the x-value of the vertex when an equation is given in standard form can be found with the equation \frac{-b}{2a}. So, we can take the coefficients from the equation and plug them in.

\frac{-b}{2a} \\\frac{-(-16)}{2(1)}\\\\\frac{16}{2}\\\\8

Now we know that the x-value of the vertex is 8. Next, the equation for the y-value is c-ah^2, where h is the x-value of the vertex (8).

(63)-(1)(8)^2\\63-64\\-1

So the vertex is (8,-1).

Finally, the axis of symmetry is the x-value of the vertex, also called h.

Final answer, vertex: (8,-1) and axis of symmetry: x=8

Hope this helps!

3 0
3 years ago
Express as a trinomial.<br> (3x – 7)(3x + 10)
stiks02 [169]

Answer:

9x^2 + 9x -70

Step-by-step explanation:

Use the distributive property to solve

(3x-7) (3x+10)

multiply 3x x 3x = 9x^2

multiply 3x(-7) and 3x(10)

add -21x + 30x = 9x

multiply -7 x 10 = -70

3 0
2 years ago
Geraniums are $2.95 each. How much will 5 plants cost? (include 7% sales tax.)
Vilka [71]
2.95x5=14.75 7% of 14.75=1.0325 14.75+1.0325=15.7825 or just $15.78
4 0
3 years ago
Factor completely. y2 - 12y + 32 A. (y + 4)(y + 8) B. (y - 4)(y - 8) C. (y + 18)(y + 2) D. (y - 18)(y - 2)
Nataly [62]

Ask: Which two numbers add up to -12 and multiply to 32?

-8 and -4

Rewrite the expression using the above

<u>= (y - 4)(y - 8)</u>

8 0
3 years ago
Read 2 more answers
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