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3 years ago

I really need help guys im begging

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

3 0

Havent done this in years but i think it would just be 12

katovenus [111]3 years ago

3 0

If GE AND GB are congruent, then CA and DF are also congruent

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Which set of numbers could represent the side lengths of a right triangle?

sveticcg [70]

Answer: D) 8, 15, 17

<u>Step-by-step explanation:</u>

In order for three side lengths to represent a right triangle, they must satisfy the Pythagorean Theorem: a² + b² = c² where c is the largest side.

A) 2² + 3² = 4²

4 + 9 = 16

13 = 16 FALSE

B) 4² + 5² = 6²

16 + 25 = 36

41 = 36 FALSE

C) 6² + 9² = 12²

36 + 81 = 144

117 = 144 FALSE

D) 8² + 15² = 17²

64 + 225 = 289

289 = 289 TRUE!

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3 years ago

Find the slope and the Y-intercept of the graph of y-6=3/8x

balandron [24]

Answer:

Slope =3/8

y-intercept is:(0,6)

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Is this a function or not?

Alex

Answer:

Your answer should be function.

Step-by-step explanation:

Its a function because each input has an output.

8 0

2 years ago

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

____ [38]

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

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