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2 years ago

Which statement is true?

Mathematics

2 answers:

jok3333 [9.3K]2 years ago

4 0

I think the answer is c -6.5<6.55

Mila [183]2 years ago

4 0

C. -6.5 < 6.55

*a negative number is less than zero

:)

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Reflection Over Parallel Lines Please complete the attached reflection. Thanks!

Allushta [10]

Answer: A(3, -5)

B(6, -2)

C(9, -2)

Step-by-step explanation:

If we have a point (x, y), and we do a reflection over the axis y = a, then the only thing that will change in our point is the value of x.

Now, the distance between x and a must remain constant before and after the reflection.

so if x - a = d

then the new position of the point will be:

(a - d, y) = (2a - x, y).

I will use that relationship for the 3 points

We start with the point (1, -5)

The reflection over y = -1 leaves.

The distance between 1 and -1 is = 1 - (-1) = 2.

Then the new point is (-1 - 2, -5) = (-3, -5)

Now we do a reflection over y = 1, so D = -3 - 1 = -2

Then the new point is:

A = (1 -(-2), -5) = (3, -5)

B) (2, -2)

Reflection over y = -1.

distance, d = 2 - (-1) = 3

the point is (-1 - 3, -2) = (-4, -2)

Now, a reflection over y = 1.

The distance is D = -4 - 1 = -5

The new point is (1 - (-5), 2) = (6, -2)

C) (5, -2)

reflection over y = -1

Distance: D = 5 - ( - 1) = 6

New point: (-1 - 6, -2) = (-7, -2)

Reflection over y = 1.

Distance D = -7 - 1 = -8

New point ( 1 - (-8), -2) = (9, -2)

4 0

3 years ago

Plz help I need help I am very confused

KIM [24]

Answer:

$- \frac{5}{7}$

Step-by-step explanation:

$- \frac{2}{7} - \frac{3}{7}$

$\frac{ - 2 - 3}{7}$

$= \frac{ - 5}{7}$

6 0

3 years ago

Explain how to solve the problem below. In your response, you must analyze the given information, discuss a strategy or plan to

alexandr1967 [171]

Answer:

6.1

please give me brainliest!!

Step-by-step explanation:

Imagine right triangle with first leg to be the Chad length and second leg to be the Chad's shadow. Second leg has length 14.3 ft and since the straight-line distance from the top of Chad’s head to the end of the shadow creates a 23° angle with the ground, you could consider the trigonmetric function

tan23 = chad's length/chads shadow length

tan23 = chad's length/14.3

chad's length = 14.3 * tan23 = 6.1

6 0

2 years ago

27. The pie chart shows how

shepuryov [24]

He payed $16 for the files because 48-13-19= 16 You have to subtract the total cost to the prices you have been given for each item to find the missing value! :) Hope this helps

4 0

2 years ago

Cant remember how to do this :( Please help !!

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

1) Look at the y-intercepts.

The y-intercepts on both equations are the same: 5. That means both equations touch the y-axis at (0,5).

That means we can rule out both A & C.

2) Calculate the rate of change (a.k.a. slope) of f(x).

To do this, we must use two points to find the change of y over the change of x. From the graph, we can use the points (1,2) and (2,-1).

Δy / Δx = $\frac{-1 - (2)}{2-1} = \frac{-3}{1} = -3$

<em>*The little triangles are the Greek symbol delta. They mean change in...*</em>

That means that the slope of f(x) is -3.

3) Figure out the rate of change (a.k.a. slope) of g(x).

To do this, all we have to do is look at the equation. It is written in y = mx + b format where m = slope and b = y-intercept. That means the slope is 5 as in place of "m" there is a 5.

4) The Answer

The answer is B because 5 [the rate of change for g(x)] is greater than -3 [the rate of change for f(x)].

4 0

3 years ago