I dont understand this

A. x = 2, y =6 B. x = 2, y =3 C. x =-2, y =3 D. x = -3, y =2

AlekseyPX

Answer:

The correct answer is A) x = 2 and y = 6

Step-by-step explanation:

In order to find the answer, we need to set the hypotenuses equal to each other. Then we can solve for y to get the equation.

y - 1 = x + 3

y = x + 4

Now we can do the same with the leg lengths.

y - 3 = 2x - 1

y = 2x + 2

Now that we have two equations, we can set them equal to each other to get the x value.

x + 4 = 2x + 2

4 = x + 2

2 = x

Now that we have x, we can plug it into any equation to get the y value.

y = x + 4

y = 2 + 4

y = 6

5 0

3 years ago

Read 2 more answers

What is the mean ? i don’t need work but it could help

lapo4ka [179]

Answer:

The median is the middle number; found by ordering all data points and picking out the one in the middle.

You want to put the numbers in order:

47, 49, 49, 50, 52, 57, 57, 57, 61

Then you go one number at a time from both ends until you get into the middle:

47, 49, 49, 50, 52, 57, 57, 57, 61

So the answer is 52.

Tip: when you do this and you are left with two numbers that are in the middle, add them and divide them by 2.

5 0

3 years ago

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Evaluate -a - 12a^2 for a = -1 a. -13 b. 13 c.-11

Gelneren [198K]

C

substitute a = - 1 into the expression

- (- 1) - 12(- 1)² = 1 - (12 × 1 ) = 1 - 12 = - 11 → C

8 0

3 years ago

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20% of what number is 80? I need the right answer, this is my last shot of passing.

LekaFEV [45]

100%/x%=80/20 (100/x)*x=(80/20)*x - we multiply both sides of the equation by x 100=4*x - we divide both sides of the equation by (4) to get x 100/4=x 25=x x=25

5 0

3 years ago

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Solve this problem, which steps would you take? Include any theorems, definitions, or reasons that explain the steps. Make sure

posledela

Answer:

∠A=123°.

Step-by-step explanation:

From the given figure it is clear the CD and CE are two tangent lines on circle with center A.

Radius is perpendicular to the tangent at the point of tangency.

$\angle ADC=90^{\circ}$

$\angle AEC=90^{\circ}$

Smaller arc DE = (5x-2)°

It means central angle DAE is (5x-2)°.

$\angle DAE=(5x-2)^{\circ}$

Now, ADCE is a quadrilateral and sum of all angles of a quadrilateral is 360 degrees.

$\angle ADC+\angle DCE+\angle AEC+\angle DAE=360^{\circ}$

$90^{\circ}+(2x+7)^{\circ}+90^{\circ}+(5x-2)^{\circ}=360^{\circ}$

$(7x+5)^{\circ}+180^{\circ}=360^{\circ}$

$(7x+5)^{\circ}=360^{\circ}-180^{\circ}$

$(7x+5)^{\circ}=180^{\circ}$

$7x+5=180$

$7x=175$

$x=25$

The value of x is 25.

$\angle A=5x-2=5(25)-2=125-2=123^{\circ}$

Therefore, the measure of ∠A is 123°.

6 0

3 years ago

I dont understand this​

I dont understand this