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masya89 [10]
3 years ago
8

Which expression shows the distance on the number line between −12 and −1 ?

Mathematics
1 answer:
mihalych1998 [28]3 years ago
8 0
I think its 11 but i maybe wrong
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Write an equation in standard form of the line that contains the point (-1,2) amd is perpendicular to y = 3x - 1
Strike441 [17]
Since it is perpendicular to y=3x-1, the slope must be a negative reciprocal.
there the slope of the perpendicular line is -\frac{1}{3} x

So now we have, 
y=- \frac{1}{3} x+b

To find b, we use the point that the line passes through and substitute it to the y and x values.

2=- \frac{1}{3} (-1)+b

which would give us b=5/3

Therefore, the equation of the line is 
y=- \frac{1}{3} x+ \frac{5}{3}
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2 years ago
Which of the following are steps to use when formulating an equation? Check all that apply.
Ber [7]

Answer:

A and B

Step-by-step explanation:

7 0
3 years ago
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T he equation for a parabola with directrix y = –p and focus (0, p) is:
zhuklara [117]

The equation for a parabola with directrix y = –p and focus (0, p)

The distance between vertex and directrix is P

Also the distance between vertex and focus is also P

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Directrix line is paralled to focus point

So Directex crosses the x axis .

Hence line of symmetry lies is the y-axis.

The graph is attached below.


3 0
3 years ago
Can someone PLease help me, Please please
Molodets [167]
The triangle on the left appears to be congruent with the triangle on the right.  If this observation is actually valid, then x+7 = 2x-5.  12=x  Yes, I realize that this doesn't match any of the answer choices, 'tho the 4th choice is the only one that contains "12."  Would you please share the instructions for this problem.

3 0
3 years ago
Someone please help me out I rlly need help
Anit [1.1K]

The equation that could be used to solve for x is (3x-1) = 140 and the value of x is 47°.

According to the question,

We have the following information:

We have two lines that are intersecting each other at a point. The angles made on this point are given.

Now, we know that these two angles are vertically opposite angles. And we also know that vertically opposite angles are equal.

So, we will have the following equation:

3x-1 = 140

Now, we can easily find the value of x from this equation:

Adding 1 on both sides of the equation:

3x = 140+1

3x = 141

Dividing by 3 on both sides:

x = 141/3

x = 47°

Hence, the equation that could be used to solve for x is (3x-1) = 140 and the value of x is 47°.

To know more about equation here

brainly.com/question/18067015

#SPJ1

5 0
11 months ago
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