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NISA [10]
3 years ago
13

Find the distance between (-1, - 3) and (8, – 3).

Mathematics
1 answer:
dimaraw [331]3 years ago
5 0

Answer: d (A,B) = 9

Step-by-step explanation: d(A,B) = √(xB - xA)^2 + (yB - yA)^2

                                              d(A,B) = √(8-(-1))^2 + (-3 - (-3))^2

                                              d(A,B) = √81 + 0    

                                              d(A,B) = 9                                        

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Plzz solve for 15points
fomenos

Answer:

Step-by-step explanation:

You really don't even have to calculate anything.

B can be reduced to 4/5 by dividing 24 by 6 and 30 by 6

C can be reduced to 1/15 by dividing 2 by 2 and 30 by 2

D can be reduced to 1/2.

The answer then is A

2 feet is 2 * 12 = 24 inches.

24/30 = 4/5. See B.

4 0
2 years ago
2 dice are rolled. What is the probability that the sum of the numbers rolled is a number greater than or eaqual to 5
Firdavs [7]
2 + 3 = 5 > = 5;
2 + 4 = 6 > =5;
2 + 5 = 7 >= 5;
2 + 6 = 8 >= 5;
3+2 = 5 >= 5;
3 + 3 = 6  >= 5;
3 + 4 = 7  >= 5;
3 + 5 = 8  >= 5;
3 + 6 = 9  >= 5;
4+1 = 5  >= 5;
4+2 = 6  >= 5;
4+3 = 7  >= 5;
4+4 = 8  >= 5;
4+5 = 9  >= 5;
4+6 = 10  >= 5;
5+1 = 6  >= 5;
5+2 = 7  >= 5;
..............

6 + 6 = 12  >= 5;


Number of ways it can happen = 27;

Total number of outcomes = 6*6 = 36;



Probability of an event happening = Number of ways it can happen<span><span> / </span>Total number of outcomes => Probability = 27/36 = 0.75;</span>
5 0
3 years ago
Read 2 more answers
A car drives with a constant speed of 20 km/h. How long will it take to travel a distance of 160 kilometers?
harkovskaia [24]

ANSWER:

We know that,

Speed = Distance/Time

So, Time taken = 20kmh-¹/160km

  • 1/8h or 7.5min.
5 0
3 years ago
Two similar triangles are shown on the coordinate grid:
vazorg [7]

Answer:

balls in to jaws big boy daddyyyyy

8 0
2 years ago
Expand and simplify (2x−12) ^2
lubasha [3.4K]

Answer:

\boxed{4x^{2}  - 48x + 144}

Step-by-step explanation:

Given expression:

  • (2x - 12)²

To simplify the expression, we will use the formula (a - b)² = a² - 2ab + b².

[Where "a and b" are the first and second term in (a - b)²]

\rightarrowtail (2x - 12)^{2}

In this case, the first term of (2x - 12)² is "2x" and the second term is "12".

\rightarrowtail (2x)^{2} - 2(2x)(12) + (12)^{2} \ \ \ \ \ \ \ \ \ \ \ \ \ \  [\small\text{First term = a = 2x; Second term = b = 12]}

Now, simplify the expression.

\rightarrowtail (2x)^{2} - 2(2x)(12) + (12)^{2}

\rightarrowtail (2x)(2x) - (4x)(12) + (12)(12)

\rightarrowtail \boxed{4x^{2}  - 48x + 144}

4 0
2 years ago
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