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Natalija [7]
3 years ago
6

Find the distance between the points (13,20) and (18,8)​

Mathematics
2 answers:
steposvetlana [31]3 years ago
5 0

Answer:

(5,12)

Step-by-step explanation:

because 18-13=5 and 20-8=12

Yakvenalex [24]3 years ago
3 0

Answer:

13

Step-by-step explanation:

\sqrt{(x2-x1)^2 + (y2-y1)^2} \\\\sqrt{(18-13)^2 + (8-20)^2} \\\sqrt{(5)^2 + (-12)^2} \\\sqrt{25+144} \\\sqrt{169} \\13

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Find a and b to make the following matrices equal.
podryga [215]
We need the following to be true
a+2b = -a
a+4 = 2a - 3b

Let's look at the first equation.
a + 2b = -a
Subtract both sides by a
2b = -2a
b = -a

Substitute b= -a into the second equation
a+4 = 2a + 3a
a + 4 = 5a
4a = 4
a = 1

Just take the negative of that and you get the value of b.
b = -1

Your solution is a=1 and b = -1.

Have an awesome day! :)
4 0
3 years ago
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UNO [17]

Answer:

I think d no p=4 and q=5

Step-by-step explanation:

this might help you

7 0
2 years ago
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Write a multiplication equation using one whole number and one fraction that have a product of 18/8
Digiron [165]

Answer:

whole number = 8

fraction = 1/8

1/8 * 18 = 18/8

Step-by-step explanation:

fraction times a whole number = 18/8

1/8 * 18 = 18/8

6 0
3 years ago
If a man walks for 6 miles a steady speed of 3 mph, how long will it take him
Mrrafil [7]
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Answer:

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