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3 years ago

This is a quiz, and I need answers quickly please! I have other questions on my thing so you can go to those also ofc ahah

Mathematics

1 answer:

NemiM [27]3 years ago

5 0

Answer:

It's the second answer

Step-by-step explanation:

A(7,5) B(-4,-1)

y-yA/yB-yA= x-xA/xB-xA

y-5/-1-5=x-7/-4-7

-11y+55=-6x+42

-11y=-6x-13

y=6/11×+13/11

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The hypotenuese of an isosceles right triangle is 13 inches. The midpoints of its sides are connected to form an inscribed trian

Georgia [21]

Answer:

The Sum of the areas of theses triangles is 169/3.

Step-by-step explanation:

Consider the provided information.

The hypotenuse of an isosceles right triangle is 13 inches.

Therefore,

$x^2+x^2=169\\2x^2=169\\x=\frac{13}{\sqrt{2} }$

Then the area of isosceles right triangle will be: $A=\frac{1}{2} x^2$

Therefore the area is: $A=\frac{169}{4}$

It is given that sum of the area of these triangles if this process is continued infinitely.

We can find the sum of the area using infinite geometric series formula.

$S=\frac{a}{1-r}$

Substitute $a=\frac{169}{4} \ and\ r=\frac{1}{4}$ in above formula.

$S=\frac{\frac{169}{4}}{1-\frac{1}{4}}$

$S=\frac{\frac{169}{4}}{\frac{3}{4}}$

$S=\frac{169}{3}$

Hence, the Sum of the areas of theses triangles is 169/3.

7 0

2 years ago

Solve the system of equations below by graphing. Y=-5x and y=x-6

11Alexandr11 [23.1K]

9514 1404 393

Answer:

(x, y) = (1, -5)

Step-by-step explanation:

Using a graphing calculator to solve equations such as these is quick and easy. It is one of my favorite methods. The attached graph shows the solution is ...

(x, y) = (1, -5)

5 0

3 years ago

All quadrilaterals have at least one pair of congruent sides.

velikii [3]

It’s D. Or C.
I think it s D.

8 0

2 years ago

Elena works at least 4 hours but not more than 8 hours. The amount of money Elena earns for working t hours is represented by a

mezya [45]

That makes no sense what are we supposed to figure out

4 0

2 years ago

Read 2 more answers

Nine less than the quotient of<br> twice a number and four.

Leno4ka [110]

Answer:

-1

Step-by-step explanation:

Twice a number of 4 equals 8

4×2=8

less than 9 of the quotient (answer) of twice a number of 4, is -1

8-9= -1

4 0

2 years ago