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gavmur [86]
3 years ago
13

Write a quadratic equations given the roots 5/2 and 9

Mathematics
1 answer:
sukhopar [10]3 years ago
7 0

Answer:

(x-5/2)(x-9).

x^2-5/2x-5/2x+45/2.

Multiply the number by 2.

which is 2(x^2-5/2x-5/2x+45/2).

2x^2-5x-5x+45.

2x^2-10x+45.

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What percent of 17 is 51?
Taya2010 [7]

Answer:

33%

Step-by-step explanation:

h steps:

Step 1: We make the assumption that 51 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=51$.

Step 4: In the same vein, $x\%=17$.

Step 5: This gives us a pair of simple equations:

$100\%=51(1)$.

$x\%=17(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{51}{17}$

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{17}{51}$

$\Rightarrow x=33.33\%$

Therefore, $17$ is $33.33\%$ of $51$.

4 0
2 years ago
Read 2 more answers
Solve for x. Show the equation you used and your work.
levacccp [35]
The value of X is 27.

To solve this problem, you have to write a proportion with the given information. This can be done because the sides on the left and right are proportional with the values on the bottom.

36 / 24 = x / 18
x = 27
5 0
3 years ago
Solve 13x - 4 < 12(x - 1).
Effectus [21]
13x - 4 < 12(x-1)
13x - 4 < 12x - 12
13x - 12x < -12 + 4
x < -8
x > 8

x is greater than 8
6 0
3 years ago
If line AD is a tangent to circle B at point C, and m∠ABC = 55º, what is the measure of ∠BAD?
alexandr1967 [171]
None of those.  ∠BAD = 180º - 90º - 55º = 35º, because ABC is a right triangle.

4 0
3 years ago
Y&lt;2x+2 find the slope
Vesna [10]

<em>The slope is 2x.</em>

<em>X represents the slope.</em>

<em>Y represents the total cost or value</em>

<em>The +2 represents the Y-intercept.</em>

<em>I know this all for a fact because the equation is written out in the slope-intercept form which is commonly displayed like this:</em>

<em>Y = MX + B</em>

<em>Hope this helps and have a nice day.</em>

<em>-R3TR0 Z3R0</em>

3 0
3 years ago
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