3 years ago

HURRY PLEASE I BARELY HAVE ANY TIMEwhat is the solution to the system of equations?

Mathematics

1 answer:

DanielleElmas [232]3 years ago

7 0

Answer:

maybe 3...............................

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Stiind ca triunghiurile sunt asemenea si c= 5 calculati lungimea laturilor indicate

slava [35]

Answer:

$a=8\\b=10\\c=5$

Step-by-step explanation:

In the given image, you can observe we have two right triangles.

Also, we know by given that those triangles are similar, which means their sides are proportional and their angles are congruent.

If the triangles are similar, we can define the following proportion between sides.

$\frac{4}{a} =\frac{3}{6}\\ 24=3a\\a=\frac{24}{3}\\ a=8$

Now we use the Pythagorean's Theorem to find each hypothenuse.

$c^{2} =4^{2} +3^{2}\\ c=\sqrt{16+9}=\sqrt{25} \\ c=5$

$b^{2} =8^{2} +6^{2}\\ b=\sqrt{64+36}=\sqrt{100}\\ b=10$

Therefore, the missing sides are

$a=8\\b=10\\c=5$

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3 years ago

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4 years ago

A student say that the x-intercept of the graph x + 2y=5 is the point (0,5). Why is the student incorrect?

harina [27]

Answer:

the x-intercept is found when 0 is put into the equation for y.

Because the x-intercept is found when the function passes through the x-axis.

x+2y=5

x=5

So x=5, y=0, the point would be (5,0).

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3 years ago

HURRY PLEASE I BARELY HAVE ANY TIMEwhat is the solution to the system of equations?​

HURRY PLEASE I BARELY HAVE ANY TIMEwhat is the solution to the system of equations?