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leva [86]
3 years ago
10

Does point (2,2) lie on line 3x-y=4​

Mathematics
1 answer:
goblinko [34]3 years ago
4 0

Answer:

Yes

Step-by-step explanation:

3x-y=4

3(2)-2=6-2=4

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Find the distance between the two given points. O(-3,-2) and P(-3,4)​
aliina [53]

Answer:

\boxed {\boxed {\sf d= 6}}

Step-by-step explanation:

Distance can be found using this formula:

d=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2

Where (x₁, y₁) and (x₂, y₂) are the points.

We are given the points O (-3, -2) and P(-3,4). Therefore,

x_1= -3 \\y_1= -2 \\x_2= -3 \\y_2=4

Substitute the values into the formula.

d=\sqrt {(-3--3)^2+(4--2)^2

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.

Solve inside the parentheses first.

  • (-3--3)= -3+3=0
  • (4--2)= 4+2=6

d= \sqrt {(0)^2+ (6)^2}

Solve the exponents.

  • (0)²= 0*0=0
  • (6)²= 6*6=36

d=\sqrt {0+36

Add.

d= \sqrt {36

Take the square root.

d=6

The distance is 6.

3 0
3 years ago
The U.S. federal government conducts a survey of high school seniors concerning their plans for future education and employment.
valentinak56 [21]

Answer:

statistic

Step-by-step explanation:

5 0
3 years ago
Needdd helpp noww please<br><br> Giving extra points
melomori [17]

Answer:

b

20

10

Step-by-step explanation:

5 0
4 years ago
If a new sweater sells for $49, find the total cost if you were charged 6% sales tax.
IgorLugansk [536]

Answer:

$8.2

Step-by-step explanation:

49/6=8.16666666667

8.16666666667 Rounded = 8.2

                             $8.2

8 0
3 years ago
95% of students at school weigh between 62 kg and 90 kg. Assuming this data is normally distributed, what are the mean and stand
stiks02 [169]
We can calculate (62 + 90) / 2 = 76. it's <span>known that 95% lies between the mean and twice the standard deviation. </span><span>if the mean is "μ" and the standard deviation is "σ": </span><span>μ-2σ and μ+2σ. i</span><span>f μ=76, then </span><span>76+2σ = 90, so 2σ = 14, so σ = 7.
</span>
<span>the mean is 76 and the standard deviation 7. </span>
5 0
3 years ago
Read 2 more answers
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