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Gnoma [55]
3 years ago
11

Erin has 4 bags with 19 marbles each bag. she had 7 bags with 14 marble each bag. she give 23 marbles to her brother. how many m

arbles Erin have left?
Mathematics
1 answer:
STatiana [176]3 years ago
4 0
Erin will have 151 left over.
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The function h(x) = 12x8 + 49 is an even function. Which transformation of h(x) would result in a function that is neither even
Irina-Kira [14]

Answer:  translation 8 units to the right

Step-by-step explanation:

An even function is a function such that:

h(x) = h(-x)

and the function is odd if:

h(-x) = -h(x)

Now, let's talk about transformations:

A) Reflection over the x-axis:

When we have a point (x,y) and we do a reflection over the x-axis, the reflected point will be:

(x, -y).

Then for the case of a function:

y = h(x).

then the reflection will be:

g(x) = - y = -h(x).

And if h(x) is even, -h(x) is also even, so this is not the correct option.

B) Vertical stretch by a factor of 7.

This is written as:

g(x) = 7*h(x).

then:

g(x) = 7*h(x)

g(-x) = 7*h(-x) = 7*h(x) = g(x)

the transformation is even.

C) Translation of 8 units to the right.

We can write this as:

g(x) = h(x - 8).

Then:

g(-x) = h(-x -8) = h(x + 8)

Then g(-x) is not equal to g(x)

and also g(-x) ≠ -g(x)

So in this case the transformation is neither odd or even.

C)  horizontal compression by a factor of One-half.

This transformation is written as:

g(x) = h( (1/2)*x)

And, similar as the case of the vertical compression, in this case the transformation is also even.

3 0
3 years ago
Which describes the function on the graph below
Allushta [10]

math is confusing lol

3 0
3 years ago
Read 2 more answers
NEED HELP ASAP!!!! Which relations represent functions? (PLEASE LOOK AT THE PICTURE.)
Olin [163]

Answer:

I think it’s either the first one or last.

Step-by-step explanation:

8 0
3 years ago
Brad wants to open a new savings account. He finds one that returns 3% on his investment each year.
Damm [24]

Answer:

1.03x

Step-by-step explanation:

1 year b would be the inital investment added with interest

i believe this is the equation

b = x + r(x)= (1 + r)x

and since it says 3% each year we know its 0.03 (r)

and when you solve it out you get that answer

4 0
4 years ago
Read 2 more answers
Solve the equation: 7x = 42. <br> A. x = 6<br> B. x = – 6<br> C. x = 7<br> D. x = – 7
OlgaM077 [116]
If you would like to solve the equation 7 * x = 42, you can calculate this using the following step:

7 * x = 42    /7
x = 42 / 7
x = 6

The correct result would be A. x = 6.
8 0
3 years ago
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