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liberstina [14]
3 years ago
7

The axis of symmetry for a quadratic equation can be found using the formula x =-b/2a , where a and b are coefficients in the qu

adratic equation and x represents the values along a vertical line on the coordinate plane. When the equation is solved for a, such that b is the numerator of the resulting fraction, what is the denominator of the fraction?

Mathematics
2 answers:
Eddi Din [679]3 years ago
6 0

Answer:

B

Step-by-step explanation:

a = -b/2x

djverab [1.8K]3 years ago
3 0

Answer:

2x

Step-by-step explanation:

Solve the equation for a as follows:

First multiply both sides by 2a:

(2a)x=-b and then divide both sides by 2x:

a=-\frac{b}{2x}

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5 0
2 years ago
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benito read 14 books in 3 months, which was 35% of the number of books he had signed up to read during the school year .how many
lianna [129]
14 books in 3 months is 35%
all of books is 100%

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x- 100%
we calculate from proportions, crosswise:
x=\frac{14*100}{35}=\frac{1400}{35}=40

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7 0
3 years ago
A pentagon can be divided into five congruent triangles. The function t=5 tan theta models the height of each triangle. What is
pentagon [3]
We assume that the dimension 5 has units of feet.

The area of each triangle will be
  A = (1/2)bh
where b=2×(5 ft), h=(5 ft)tan(54°)
Then
  A = (1/2)(2×5 ft)(5 ft)(tan(54°)
  A = 25×tan(54°) ft²

There are 5 such triangles making up this pentagon, so the total area is
  total area = 5×25×tan(54°) ft² ≈ 172 ft²

6 0
3 years ago
What is the answer to this?<br> -6+13=
Ket [755]

Answer: -6+13=7

Step-by-step explanation:

3 0
3 years ago
What is 2x+18 factored
Darina [25.2K]

Answer:

2(x+9)

Step-by-step explanation:

2x+18

find the common number which can fit into 2x and 18

in this case the number is 2

so; 2(x+9)

7 0
2 years ago
Read 2 more answers
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