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spin [16.1K]
2 years ago
13

F (x) = -x2 + 8x - 11 h(x) = -x-7 find f (9) + (-14)

Mathematics
1 answer:
bixtya [17]2 years ago
5 0
Is there a answer choice of -5
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When simplifying the fraction 2x/4, madison wrote 2x/4 = 2x. EXPLAIN WHY her answer is wrong and write the correct answer.
antiseptic1488 [7]

Answer:

x/2

Step-by-step explanation:

Madison didn't cancel the common factor of 2 and that 4 that is why she is wrong.

Hope this helps pls brainliest have a nice day :>

5 0
1 year ago
if the area of a circle is represented by A=21π, what is the radius of the circle? round your answer to the nearest tenth
Reptile [31]
The equation is actually
circle area = PI * radius^2
radius = square root (area / PI)


5 0
3 years ago
A yoga studio charges a $120 yearly fee for membership plus $16 for each class.
Stolb23 [73]

Answer:

$17.2

Step-by-step explanation:

120 + 16*100 = 120 + 1600 = 1720

The member pays $1720 annually for 100 classes and membership fee combined.

1720/100 = 17.2

The student pays $17.2 per class on average.

6 0
2 years ago
What is the equation of the following graph?
dangina [55]

There are a couple of different ways you could do this, but I'll show the simpler way. We will use the formula

y=a(x-h)^2+k

along with the fact that the vertex has h and k coordinates of 1 and 4 respectively, and that a point on the graph is (3, 5). We could have used any point on the graph where there is a definite integer coordinate pair. We will fill in accordingly and solve for a.

5=a(3-1)^2+4 and

5 = 4a + 4. If we subtract 4 from both sides we get that a=\frac{1}{4}. Now we will fill in the formula and expand as needed:

y=\frac{1}{4}(x-1)^2+4 and

y=\frac{1}{4}(x^2-2x+1)+4. If we distribute the 1/4 in and then add the constants the final equation for that graph will be

y=\frac{1}{4}x^2-\frac{1}{2}x+\frac{17}{4}

7 0
3 years ago
Which number line represents the solutions to |–2x| = 4?
Margarita [4]

Answer:

I want to say its b

6 0
3 years ago
Read 2 more answers
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