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exis [7]
2 years ago
9

Are these right tell me yes or no

Mathematics
1 answer:
zlopas [31]2 years ago
4 0

Answer:

<em>Question 4: letter c </em>

<em>Question 3: letter c</em>

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Step-by-step explanation:

You might be interested in
Which equation represents a line that is parallel to the line whose equation is 2x + 3y =12
STALIN [3.7K]

Answer:

Choose an equation that has this same slope or the same coefficients of x and y - 2x + 3y.

Step-by-step explanation:

Parallel lines are lines which do not intersect. As a result they have the same slope. The line here is 2x + 3y = 12 which can be rearranged into slope intercept form to find the slope.

2x + 3y = 12

3y = 12 - 2x

y = 4 - 2/3 x

The slope of the line is -2/3. Choose an equation that has this same slope or the same coefficients of x and y - 2x + 3y.

3 0
3 years ago
3.Which of the following is not a plane figure?
Galina-37 [17]

Answer:

I'm not sure about the other ones but I'm pretty sure 4 is cube

6 0
3 years ago
Eric lives 21 miles away from where he works. After leaving his workplace, he drives at a constant speed of 42 miles per hour fo
Mazyrski [523]
He's driving 42mph. 42m/60h=0.7mpm. 12 minutes x 0.7 mile per minute= 8.4 miles.  21-8.4=12.6 miles left .  12.6 x 0.7= 8.86 minutes left or about nine
5 0
3 years ago
Can anyone help me with this???
MAVERICK [17]
Y intercept and also use the graph on ur calculator
4 0
3 years ago
En the line below.
igomit [66]

Answer:

y + 1 = - \frac{2}{7} (x + 4)

Step-by-step explanation:

The equation of a line in point- slope form is

y - y₁ = m(x - x₁)

where m is the slope and (x₁, y₁) a point on the line

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 4, - 1) and (x₂, y₂ ) = (3, - 3)

m = \frac{-3+1}{3+4} = \frac{-2}{7} = - \frac{2}{7}

and (x₁, y₁ ) = (- 4, - 1), then

y - (- 1) = - \frac{2}{7} ( x - (- 4) ) , that is

y + 1 = - \frac{2}{7}(x + 4) ← equation of line

8 0
3 years ago
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