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melamori03 [73]
3 years ago
8

How to change y=2x-1 to a corrinet pair

Mathematics
1 answer:
Law Incorporation [45]3 years ago
6 0
You cant really change it to a coordinate pair. Its an equation showing the slope of a linear line. the slope is 2 over 1 and the y intercept on the graph is negative one. I suppose the coordinate pair could be (0,-1).
You might be interested in
3. In the figure, gllp. Which angles are same side interior angles? Select all 1 point
Mnenie [13.5K]

Answer:

Angle q and angle k & angle r and angle t.

Step-by-step explanation:

Angle q and angle k are same side interior angles because they are both on the inside of the transversal, and they are both on the same side, on the left of the transversal.

Angle r & angle t are same side interior angles because they are both on the inside of the transversal, and they are both on the same side, on the right of the transversal.

Hope this helps!

6 0
3 years ago
Read 2 more answers
HELP PLEASE ILL GIVE YOU MY POINTS AND BRAINLEST FIRST TO ANSWER
patriot [66]

Answer:

A). Adam and Bianca is saving the same per day and it is 3$/day

B). On starting of competitions,

     Adam has 3$ and Bianca has 2$

Step-by-step explanation:

Given that saving of Adam is shown in graph and saving of Bianca is shown in the table.

<em>In the case of Adam's saving</em>

Equation of line for saving is given by y=mx+c

y is saving in dollars and x is a number of days.

where m is a slope of line and c is the y-intercept

The slope is given by m=\frac{Y2-Y1}{X2-X1}

From a given graph of Adam's saving,

A line passing through, (0,3) and (1,6)

The slope is given line will be  

m1=\frac{Y2-Y1}{X2-X1}

m1=\frac{6-3}{1-0}

m1=3

and y-intercept of the graph is c=3

Therefore, The equation for Adam's saving is y=3x+3

.

In the case of Bianca's saving

Equation of line for saving is given by (y-Y1)=m(x-X1)

y is saving in dollars and x is a number of days.

where m is the slope of the line

The slope is given by m=\frac{Y2-Y1}{X2-X1}

From the given table of Bianca's saving,

A line passing through, (5,17) and (8,26)

The slope is given line will be  

m2=\frac{Y2-Y1}{X2-X1}

m2=\frac{26-17}{8-5}

m2=3

Therefore, The equation for Bianca's saving is

(y-Y1)=m(x-X1)

(y-17)=3(x-5)

y-17=3x-15

y=3x+2

A). Determine who saves the most per day.

Ans.

On comparing the slope of the equations

m1=m2=3$/day

Thus, Adam and Bianca is saving the same per day

B). How much money both have starting of competitions

Ans.

On comparing the y-intercept os equations

For Adam: Y-intercept is 3$

For Bianca: Y-intercept is 2$

5 0
3 years ago
What is the difference between a rational and irrational number?
Murljashka [212]

Answer:

Rational numbers are the numbers which are integers and fractions

Irrational numbers are the numbers whose expression as a fraction is not possible

Examples of Rational Number

1/9 – Both numerator and denominator are integers.

7 – Can be expressed as 7/1, wherein 7 is the quotient of integers 7 and 1.

√16 – As the square root can be simplified to 4, which is the quotient of fraction 4/1

0.5 – Can be written as 5/10 or 1/2 and all terminating decimals are rational.

0.3333333333 – All recurring decimals are rational.

Examples of Irrational Number

√2 – √2 cannot be simplified and so, it is irrational.

√7/5 – The given number is a fraction, but it is not the only criteria to be called as the rational number. Both numerator and denominator need to integers and √7 is not an integer. Hence, the given number is irrational.

3/0 – Fraction with denominator zero, is irrational.

π – As the decimal value of π is never-ending, never-repeating and never shows any pattern. Therefore, the value of pi is not exactly equal to any fraction. The number 22/7 is just and approximation.

0.3131131113 – The decimals are neither terminating nor recurring. So it cannot be expressed as a quotient of a fraction.

7 0
3 years ago
Indicate whether each number is a prime or a composite number. a. 5 b. 11 c. 18 d. 47 e. 44 f. 65
Paladinen [302]

Answer:

a. Prime

b. Prime

c. Composite

d. Prime

e. Composite

f. Composite

8 0
3 years ago
A tortoise makes a journey in two parts; it can either walk at 4cm/s or crawl at 3cm/s. If the tottoise walks the first part and
Ugo [173]

Answer:

120

240

Step-by-step explanation:

We call the length of first part x

Length of second part = y

In the first scenario, it took the tortoise 110 sec to walk the first part and crawl the second.

So,

We have this equation,

x/4 + y/3 = 110

We take the LCM

(3x + 4y)/12 = 110

When we cross multiply

3x + 4y = 110x12

3x + 4y = 1320 ----- equation 1

For scenario 2

x/3 + y/4 = 100

When we take the LCM

(4x + 3y)/12 = 100

We cross multiply

4x + 3y = 100x12

4x + 3y = 1200 ------ equation 2

We now have two equations and we will solve for x and y using simultaneous linear equation.

3x + 4y = 1320 ----- 1

4x + 3y = 1200 ----- 2

We subtract equation 2 from 1 to get

- x + y = 120

We make y subject

y = x + 120 ----- 3

We put the value of y in equation 3 into equation 1

3x + 4(x + 120) = 1320

3x + 4x + 480 = 1320

7x + 480 = 1320

7x = 1320-480

7x = 840

We divide through by 7

x = 840/7

x = 120

We put value of x in equation 3

y = x + 120

y = 120 + 120

y = 240

120 and 240 are the lengths of the 2 parts of the journey.

Thanks

5 0
3 years ago
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