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AleksandrR [38]
3 years ago
7

4 + 9 = 11 pleas help

Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Answer:

4+9= 13

Step-by-step explanation:

Reil [10]3 years ago
4 0

Answer:

its 3

Step-by-step explanation:

3 is the correct awnser

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Find the x- and y- intercepts of parabola y=5x^2-16x+10
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Y-INTERCEPT

y = 5x^2 - 16x + 10

The y-intercept is where the equation/curve/parabola cosses the y-axis.

The y-axis is where x = 0. (The x-axis is where y = 0)

To find the y-intercept:

\text{y-axis} \rightarrow \text{x = 0} \rightarrow y = 5(0)^2 -16(0) + 10 = 10

The y-intercept must be at (0, 10)

X-INTERCEPT (ROOTS/SOLUTIONS)

y = 5x^2 - 16x + 10\\\text{make it equal 0}\\y = 0\\\therefore 5x^2 - 16x + 10 = 0

We need to use the quadratic formula

The quadratic formula helps us find what values of x make the equation = 0

Quadratic formula: x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-(-16) + \sqrt{(-16)^2-4(5)(10)}}{2(5)}\\\\x = \frac{16 + \sqrt{256-200}}{10}\\x = \frac{16 + \sqrt{56}}{10}\\x = \frac{16 + 2\sqrt{14}}{10}\\x = \frac{8 + \sqrt{14}}{5}\\\\\\x=\frac{-(-16) - \sqrt{(-16)^2-4(5)(10)}}{2(5)}\\\text{doing the same thing...}\\\text{end up with...}\\x = \frac{8 - \sqrt{14}}{5}\\

The x-intercepts are at:

(\frac{8 + \sqrt{14}}{5}, 0)\\(\frac{8 - \sqrt{14}}{5}, 0)

5 0
2 years ago
Here is parallelogram ABCD:
Eduardwww [97]

Answer:

They are the came length. And are like mirrored.

Step-by-step explanation:

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3 years ago
Write 1/5 as a percent.
Softa [21]

Answer:

0.2

Step-by-step explanation:

5 0
3 years ago
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Answer:

14.48

Step-by-step explanation:

2.73×24=65.52 is how much 24 gallons cost.

80.00-65.52=14.48 this how much money he would get back from paying for gas

hope this helps

7 0
3 years ago
Please solve the equation (15m + 3)/2 = -6
stiv31 [10]

Answer:

m = - 1

Step-by-step explanation:

Given

\frac{15m+3}{2} = - 6

Multiply both sides by 2 to clear the fraction

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15m = - 15 ( divide both sides by 15 )

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3 years ago
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