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Anna11 [10]
2 years ago
11

Add. Write fractions in simplest form. 4-12 EVENS

Mathematics
1 answer:
Virty [35]2 years ago
7 0
4. 1/3   6.-0.9 or -9/10    8. 2 1/3  10. -3.45   12.4.54 or 4 27/50
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when writing the equation of a line in slope-intercept form, how can you determine the value of m in y=mx+b if you know the coor
vovangra [49]

Answer:

y = -2.5 x + 6.5

Step-by-step explanation:

The equation of a line in slope-intercept form is written as

y = mx + b where m is the slope and b is the y-intercept.

a) We can find the slope of the line passing through (-1,30 and (-4, 5) by subtracting the y coordinates and dividing the difference by the difference if the x coordinates:

m = (5 - 3 )  = 2

     -4 - (-1)    -3

Now use this slope and substitute the coordinates of either of the given points to find the y-intercept, b . Let's use (-1,3):

y = mx + b

3 = -2 • -1 + b

3

3= 2 + b

3

7  = b

3

The equation of the line will be y = -2 x +  7

3 3

b) Using y = mx + b, we can substitute -2.5 for the slope and use the point to find the y-intercept:

y = -2.5x + b

1.5 = -2.5 • 2 + b

1.5 = -5 + b

6.5 = b

The equation of the line will be:

y = -2.5 x + 6.5

4 0
2 years ago
A triangular prism has bases and lateral faces. A triangular pyramid has bases and lateral faces.
anyanavicka [17]

Answer: A triangular prism has (2) bases and (3) lateral faces a triangle pyramid has( 1 )base and( 3 )lateral faces

Step-by-step explanation: It’s right on edg

3 0
3 years ago
Read 2 more answers
Solve using the substitution method. Y+2x=7 14-4x=2y
gizmo_the_mogwai [7]
Hello

14-4x=2y   divide 2 to both sides VVVVV7-2x=y    you will need this on the next step-----------------------------------------------------y+2x=7y=7-2x(7-2x)+2x=7 ------->  7-2x+2x=7                               7=7Have a nice day
8 0
3 years ago
Which ordered pair is a solution for 3x + 4y < 12?
Andre45 [30]

Answer:

D, (1,2)

Step-by-step explanation:

It all comes down to substitution. In this case the coefficient of x is 3 and the coefficient of y is 4. The format of these coordinates being (x,y).

1. Plug in your x value (1 in this circumstance) and solve:

3(1) + 4y < 12

3 + 4y < 12

2. Plug in your y value (2 in this circumstance) and solve:

3 + 4(2) < 12

3 + 8 < 12

3. Solve

3 + 8 = 11

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2 years ago
EXPERTS/ACE/GENIUSES PLZ HELP
Marta_Voda [28]
Sqrt(15) would be irrational

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3 years ago
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