What set of reflections would carry rectangle ABCD onto itself?

1 answer:

5 0

We are given a quadrilateral in the Cartesian coordinates whose vertex have the following coordinates:
A (-5,1)
B (-5,3)
C (-1,3)
D (-1,1)

For a set of reflection to result in the same image location and size, the image must be rotated 360 degrees. Among the choices, the only answer is
<span>y-axis, x-axis, y-axis, x-axis</span>

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Which equation is the inverse of y=100-x2

postnew [5]

Answer:

f^-1(x)=100-x

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Use the cross product property to solve each equation: 5/7 = x/9

enot [183]

Answer:

x = 45/7

Step-by-step explanation:

$\frac{5}{7} =\frac{x}{9}$

Here, you can more easily see what the fractions look like.

In order to cross-multiply, you have to multiply 5 with 9, and 7 with x.

45 = 7x

Then, you isolate x by dividing 7 on both sides:

45/7 = x

Hope I helped :)

8 0

3 years ago

Need math help. Thanks in advance.

Mademuasel [1]

9. D because it fits the description when it is graphed.
11. D because it has the correct vertex, which is (1.5, 4.75).
12. f(x)=-4(x-2)²+16 works with the table and provided graph!
13. 0 isn't a zero for f(x), so B is correct (the zeros are 1/2 and 4).
14. The width is about 3.831.
15. The answer is B because the equation for a parabola in this form is:
f(x) = (x - r₁)(x - r₂)

Every one of these except for 15 was solved using desmos, a graphing calculator.

Hope this helps!

7 0

3 years ago

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,

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