MATHEMATICS HIGH SCHOOL

Beth saved $30 last summer while Carmen saved $80. What is the ratio of Beth's savings to Carmen's

Answers

Answer 1
Answer: I believe its 3 to 8 but double check to be safe I hope this helps
Answer 2
Answer:

Answer:

The answer is  3:8

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after 1 second, the rock is 243 feet in the air; after 2 seconds, it is 452 feet inthe air. find the height, in feet, of the rock after 5 seconds in the air?

The point (–3, 5) has been reflected so that the image is at (5, –3). What is the line of reflection?

Answers

Hello,
the line is the  perpendicular bisector of A(-3,5) and B(5,-3)

Let M the middle of AB
M=((-3+5)/2,(5+(-3))/2)=(1,1)
Slope of AB= (-3-5)/(5+3)=-8/8=-1
Slope of the perpendicular : -1*?=-1=>?=1
Equation :y-1=1*(x-1)==>y=x

Which is one of the transformations applied to the graph of f(x) = x2 to change it into the graph of g(x) = 4x2 + 24x + 30?The graph of f(x) = x2 is widened.
The graph of f(x) = x2 is shifted left 3 units.
The graph of f(x) = x2 is shifted up 30 units.
The graph of f(x) = x2 is reflected over the x-axis.

Answers

Changing g(x) to this form: a(x-h) + k, we have:
g(x) = 4 (x+3)^2 - 6

Comparing this to the original equation, f(x) = x^2, we have the following transformations:

The graph is widened.
The graph is shifted left 3 units.

Using translation concepts, it is found that the correct option is given by:

The graph of f(x) = x² is shifted left 3 units.

What is a translation?

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, we have that the original function is:

f(x) = x².

The translated function is:

g(x) = 4x² + 24x + 30.

Factoring it we have that:

g(x) = 4(x² + 6x + 7.5) = 4[(x + 3)² - 1.5].

Since x -> x + 3, the function was shifted left 3 units.

More can be learned about translation concepts at brainly.com/question/4521517

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The united states government produced about 10.25 billion pennies one year. how is 10.25 written in scientific notation?

that same year, about 3.0×10^7 half-dollars were produced.how many more pennies were produced that year than half-dollar? explain how u know

Answers

1) 10.25 x 10^9 in scientific notation is 1.025 x 10^10

2) Now you have to subtract 10.25x10^9 - 3.0x10^7

To make that you have to put both numbers with the same power of ten.

1025x10^7 - 3.0x10^7 = 1022x10^7 more pennies than half-dollars.

Christopher has breakfeast at a cafe and his cost of his meal is 36.00 dollars becssue of the service he wants to leave a 19% tip What. Is his total billl including tip?

Answers

Answer:

$42.84

Step-by-step explanation:

There are two ways to do this.

One

19% of 36 = 19/100 * 36 = $6.84

Total 36 + 6.84  = $42.84

Two

The second method involves knowing that his total is going to wind up being 119% of the bill. That's 100% + 19%

So the equation look like this

(119/100) * 36

or

(119 * 36) / 100 = 4284 / 100 = $42.84

Note

Both methods give you the same answer.

An airline flies between 6 airports. How many different flight paths can it offer, if it lands three times and never stays in the same place twice?

Answers

Answer:

the airline can offer 20 different flight paths under the given conditions.

Step-by-step explanation:

If the airline has 6 airports and the plane lands three times without staying in the same place twice, this is essentially a permutation problem. You want to find the number of ways to arrange 3 distinct airports out of 6.

This can be calculated using the formula for permutations of "n" items taken "r" at a time:

nPr = n! / (n - r)!

Where "n" is the total number of items (airports in this case) and "r" is the number of items to be arranged (3 landings in this case), and "!" denotes factorial.

So, in your case, the calculation would be:

6P3 = 6! / (6 - 3)!

= (6 * 5 * 4 * 3 * 2 * 1) / (3 * 2 * 1)

= 120 / 6

= 20

So, the airline can offer 20 different flight paths under the given conditions.

I need all the answers to question 2 PLEASE HELP ITS URGENT ILL MARK U AS BRAINLISY

Answers

Answer:

its all wht u require.....question no 2
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