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Dafna1 [17]
3 years ago
15

A racecar driver completes a race 30 laps in 15 minutes at a constant speed. what is the driver's speed?

Mathematics
1 answer:
Nataly [62]3 years ago
8 0

Answer:

200 mph/321 km/h if the track is 1 mile long and 100 mph/160 km/h if the track is 2 miles long

Step-by-step explanation:

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Find the domain y=1-7x/8-|3x-15|
SCORPION-xisa [38]

Using set builder notation, the domain of the given function is;

{x | x ≠ 5}

<h3>How to find the Domain of a Function?</h3>

The domain is all values of x that makes the given expression undefined.

The given expression is;

y = (1 - 7x)/8 - 1/|3x - 15|

To find the value of x that will make the expression undefined, it means that we will equate the denominator to zero to get;

|3x - 15| = 0

Thus;

3x = 15

x = 15/3

x = 5

Thus, using set builder notation, the domain of the given function is;

{x | x ≠ 5}

Read more about Domain of Function at; brainly.com/question/10197594

#SPJ1

4 0
1 year ago
On Friday night, John ate pizza for dinner and had 1/2 of the pizza left over. On Saturday, he ate 1/3 of what was left. How muc
bixtya [17]
If john ate 1/2 on Friday, then there was a full half of pizza left when he finished.
And if he ate 1/3 of what was left on Saturday, there was only 2/3 of the pizza left for him to eat. So he ate 2/3 of a pizza on Sunday
5 0
3 years ago
In a standard deck of cards find the probability of drawing a black card or a 10
Sophie [7]
Out of 52 total cards there are 13 ways to draw black and 3 more hearts besides so 16/52. or 4/13
7 0
3 years ago
Which of the following shows the Commutative Property of Multiplication?
SVETLANKA909090 [29]

Answer:

4x5=5x4

Step-by-step explanation:

Because the commutative property means 'flip-flop'

Hope this helps!!! = )

7 0
3 years ago
Video games sold: x
Nata [24]

Answer:

<u>The correct answer is D. 53x - 12</u>

Step-by-step explanation:

Let's find P(x), this way:

Profits = Revenue - Cost

Profit function = Revenue function - Cost function

P (x) = R (x) - C (x)

Replacing with the real values we have:

P (x) = 60x - (12 + 7x)

P (x) = 60x - 12 - 7x

P (x) = 53x - 12

<u>The correct answer is D. 53x - 12</u>

6 0
3 years ago
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