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kirill115 [55]
3 years ago
11

A line is drawn so that it passes through the points (3, 4) and (2, 1) and What is the slope of the line?

Mathematics
1 answer:
sweet [91]3 years ago
4 0

Answer:

formula for gradient when given 2 points.

\frac{x1-x2}{y1-y2}

over here

(3-2)/(4-1) = 1/3 = -0.33333333

<h3>1/3 is the gradient</h3>

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Which is the correct algebraic expression after combining like terms? 6 c d + 3 c minus 7 d minus 3 c d + 4 d + one-third c 3 c
IgorC [24]

Answer:

3cd+3\frac{1}{3}c - 3d OR 3cd + 3 and one-thirds c minus 3d

Step-by-step explanation:

Given the algebraic expression:

6cd+3c-7d-3cd+4d+\frac{1}{3}c

Combining like terms

= 6cd-3cd+3c+\frac{c}{3}-7d+4d\\ \\= 3cd + \frac{10c}{3} -3d\\\\= 3cd+3\frac{1}{3}c-3d

The final expression gives the required answer on combining the like terms.

6 0
3 years ago
Read 2 more answers
Can you guys help me​
Fudgin [204]

Answer:

The answer is 76.

Step-by-step explanation:

≅ means to be equal to.

☆Angle DGE ≅ EGF.

Therefore, 3x + 8 = 5x - 12

☆Let's solve that equation.

3x  + 8 = 5x - 12 \\  \frac{ - 5x \:  \:  \:  \:  \:  \:  \:   =  - 5x  \:  \:   \:  \:   \: \:  \:  \: }{ - 2x + 8 =  - 12}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \: - 8  =  - 8}{  \frac{ - 2x}{ - 2}  =  \frac{ - 20}{ - 2} }   \\ x = 10

We found the value of x which is 10.

☆Let's Now plug in.

DGE \\ 3x + 8 \\ 3(10) + 8 \\ 30 + 8 \\ 38

and the other:

EGF \\ 5x - 12 \\ 5(10) - 12 \\ 50 - 12 \\ 38

☆They asked for what the angle of DGF measured. So we would have to add both sides

38 + 38 = 76

☆The answer is 76

3 0
3 years ago
Classify each pair of angles as Complementary, Supplementary or neither.
stellarik [79]

Answer:


Step-by-step explanation:

1. Supplementary

2. complementary

3. neither

4. These two are vertically opposite so neither.

5. Supplementary

6. They add to 90 so they are complementary

7. They add to 180 so they are supplementary.

8. These 2 are equal and vertically opposite. They are neither for this exercise.

9. Complementary: they add to 90.

8 0
3 years ago
Solve the system using substitution and describe your steps. <br> x=y-3 <br> 2x+y=12
Veseljchak [2.6K]
First you plug in for x,

2(y-3)+y=12

Then you solve for y
2y-5+y=12
-10y+y=12
-9y=12
-9y/9=12/-9
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5 0
3 years ago
How does one calculate the radius of a cone when given the total surface area ​
sergeinik [125]

Answer:

The surface area formula for a cone, given its diameter (or radius) and height, is π x (diameter / 2) 2 + π x (diameter / 2) x √ (diameter / 2) 2 + (height 2), where (diameter / 2) is the radius of the base (d = 2 x r), so another way to write it is π x radius 2 + π x radius x √ (radius 2 + (height 2)

3 0
3 years ago
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