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mylen [45]
3 years ago
15

Can someone please tell me these answers

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0

Answer:

4/5

Step-by-step explanation:

To find the rate of change, you are finding the slope of the chart.

Using the equation, △y/△x can be rewritten as \frac{y2-y1}{x2-x1}.

Plug in 2 coordinate points in the chart to find the rate of change.

\frac{8-4}{10-5} =\frac{4}{5}

The rate of change is 4/5.

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What is Y equals negative 2X plus 6 in standard form
Sergio039 [100]

Answer:

2x + y - 6 = 0

OR 2x + y = 6

Step-by-step explanation:

First write the equation given in the problem:

y = -2x + 6        This is in slope-intercept form (y = mx + b).

Standard form is written Ax + By + C = 0. When C is a negative number, you might also see it as Ax + By = -C.

The main difference between the two forms in that slope-intercept form isolates the 'y' whereas standard form equates to 0. Don't confuse the 'b' in standard from with the 'B' in slope-intercept form.

To convert from slope-intercept form to standard form, <u>move everything over to the side with 'y'</u>. When you move something, you do its reverse operation to the whole equation. (The reverse of addition is subtraction, the reverse of multiplication is division.)

y = -2x + 6         Do the reverse operations for -2x and +6

y + 2x - 6 = -2x + 2x + 6 - 6      Add 2x and subtract 6 on both sides

y + 2x - 6 = 0            Right side cancels out to be '0'.

2x + y - 6 = 0       Rewrite with the 'x' in front of the 'y'

Here you can see the new equation and what each variable in Ax + By + C = 0 is.

A = 2

B = 1              When a number is not written with the variable, it is 1.

C = -6

Some teachers ask it to be rewritten as Ax + By = -C when 'C' is a negative number.

2x + y = 6

8 0
3 years ago
Irrational numbers are closed under subtraction true/false
Sergeu [11.5K]

Answer:

False!

Step-by-step explanation:

hope this helps, have a good day! :)

3 0
3 years ago
Read 2 more answers
Marta earns a weekly salary of 110$ plus a 6.5% commission on sales at a hobby store. How much would she make in a week if she s
spin [16.1K]

Answer:

503,745

Step-by-step explanation:

4 0
3 years ago
The square is divided into 3 parts.
Lorico [155]
1/3= 5/15
2/5= 6/15

5/15 + 6/15 = 11/15

15/15 - 11/15 = 4/15

Part C= 4/15
4 0
4 years ago
Read 2 more answers
Let f(t)=6−2t2. Evaluate f(t+1).
tia_tia [17]

Answer:

f(t+1)= -4t+2

Step-by-step explanation:

Subsitute the given vaule into the function and evaluate.

7 0
3 years ago
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