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3 years ago

Slope is 1/4 and y-intercept is – 5

Mathematics

1 answer:

alisha [4.7K]3 years ago

3 0

Answer:

y=1/4x-5

Step-by-step explanation:

the slope formual is y=mx+b

plug it in

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American Airlines charges $270 for a flight to Denver and $50 for each piece of luggage. Delta Airlines charges $330 for a fligh

amm1812

Answer:

J; 250 + 50x > 330 + 30x

Step-by-step explanation:

Since we don't have to worry about formatting the numbers to slope-intercept form, we can start the process of elimination.

First, we can disregard G and H because both have the x in the wrong place:

—> F 270 + 50x ≥ 330 + 30x

—> G 270x + 50 > 330x + 30

—> H 270x + 50 < 330x +30

—> J 270 + 50x > 330 + 30x

We're looking for <em>270 + 50x > 330 + 30x</em>.

Next, we determine which symbols are correct. Since the question is only asking for when American Airlines would be more expensive, not when it would be just as much or more, we can get rid of F.

—> F 270 + 50x ≥ 330 + 30x

—> J 270 +50x > 330 + 30x

We finally have our answer, J.

5 0

3 years ago

How many degrees does the hour hand of a clock turn between 3 p.m and 7:30 p.m ?

BlackZzzverrR [31]

A clock has 12 hours on it.

360/12 = 30

Each hour is 30 degrees.

3pm to 7:30pm is 4.5 hours

Multiply total hours by degrees per hour:

4.5 x 30 = 135 degrees

3 0

3 years ago

Read 2 more answers

What is 4.8×10^4 in standard notation

astraxan [27]

Your answer is 48000.

The answer is short, but so is the question, I hope I helped.

7 0

4 years ago

Find the future value (in dollars) of an 18-month investment of $3,500 into a simple interest rate account that has an annual si

goblinko [34]

Answer: the future value is $3788.75

Step-by-step explanation:

The formula for determining simple interest is expressed as

I = PRT/100

Where

I represents interest paid on the amount invested.

P represents the principal or amount invested.

R represents interest rate

T represents the duration of the investment in years.

From the information given,

P = 3500

R = 5.5

T = 18 months = 18/12 = 1.5 years

I = (3500 × 5.5 × 1.5)/100 = 28875/100

I = 288.75

the future value would be

3500 + 288.75 = $3788.75

3 0

4 years ago

find the number of subsets of s = 1 2 3 . . . 10 that contain exactly 4 elements including 3 or 4 but not both.

Anna007 [38]

Answer:

112

Step-by-step explanation:

Let A be a subset of S that satisfies such condition.

If 3∈A, then the other three elements of A must be chosen from the set B={1,2,5,6,7,8,9,10} (because 3 cannot be chosen again and 4 can't be alongside 3). B has eight elements, then there are $\binom{8}{3}=56$ ways to select the remaining elements of A (the binomial coefficient counts this). The remaining elements determine A uniquely, then there are 56 subsets A.

If 4∉A, we have to choose the remaining elements of A from the set B={1,2,5,6,7,8,9,10}. B has eight elements, then there are $\binom{8}{3}=56$ ways to select the remaining elements of A. Thus, there are 56 choices for A.

By the sum rule, the total number of subsets is 56+56=112

4 0

4 years ago