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Rainbow [258]
3 years ago
15

In a rectangular coordinate system what is the distance from (-2,-1) to (5,3)

Mathematics
1 answer:
LenKa [72]3 years ago
8 0

Answer:

Distance is \sqrt{65}

Step-by-step explanation:

<u><em>Use the distance formula:</em></u>

\sqrt{(x_{2} - x_{1)^{2} + (y_{2} - y_{1})^{2}}

\sqrt{(5 - (-2))^{2} + (3 - (-1))^{2} }

\sqrt{(7)^{2} + (4)^{2}}

\sqrt{49 + 16}

\sqrt{65}

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A=3 b=2 c=7<br>a+b+c=??<br>Help me please thank you​
tester [92]

Answer: 13

Step-by-step explanation:

<u>Given:</u>

a+b+c, where a=3, b=2, c=7

<u>Solve:</u>

Given

 a+b+c

Substitute values into the expression

=(3)+(2)+(7)

Combine like terms

=6+7

=13

3 0
2 years ago
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Solve the problem please
Molodets [167]

Answer:

x = 9±sqrt(7)

Step-by-step explanation:

3(x-9)^2 =21

Divide each side by 3

3/3(x-9)^2 =21/3

(x-9)^2 =7

Take the square root of each side

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x-9 =±sqrt(7)

Add 9 to each side

x = 9±sqrt(7)

4 0
2 years ago
The question is "find the lowest common multiple of 4 and 6"<br> with step by step explaination
Tcecarenko [31]

Answer:

12

Step-by-step explanation:

4s multiples:

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6s multiples:

6,12,18,24,30,36

lowest number that is a common multiple between both 4 and 6:

12

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(a+b)²=d<br> Isolate a on one side
PilotLPTM [1.2K]

Answer:

a=sqrt(d)-b, a=-sqrt(d)-b

Step-by-step explanation:

(a+b)^2=d

(a+b)=sqrt(d)

a+b=sqrt(d), a+b=-sqrt(d)

a=sqrt(d)-b, a=-sqrt(d)-b

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3 years ago
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