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erastova [34]
3 years ago
8

Y=-2x+3 y=3x+-7 how do the slopes and y intercepts of these two equations compare

Mathematics
2 answers:
zalisa [80]3 years ago
7 0

Answer:

The two straight line intersect at (2,-1)

Step-by-step explanation:

We are given the following equations in the question:

y=-2x+3 \\y=3x-7

Comparing to the general form of equation,

y = mx + c

where m is the slope and c is the y-intercept, we get,

Equation 1:

m = -2\\c = 3

Equation 2:

m = 3\\c = -7

Plotting the two equations, we get:

The two straight line intersect at (2,-1)

vivado [14]3 years ago
5 0

Answer:

The slopes are different

The y-intercepts are different

Step-by-step explanation:

That is the sample answer for the question

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∠A and ∠B are adjacent. The sum of their measures is 92∘. ∠A measures (2x+5)∘. ∠B is three times the size of ∠A.
Ilia_Sergeevich [38]

Answer:

Equation:  2x + 5 + 6x + 15 = 92

Solution:  x = 9

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Step-by-step explanation:

measure of ∠B = 3(2x + 5) = 6x + 15

The sum of the angles = 92 = 2x + 5 + 6x + 15

92 = 8x + 20

72 = 8x

x = 9

m∠A = 2(9) + 5 = 18 + 5 = 23

m∠B = 6(9) + 15 = 54 + 15 = 69

Check:  23 + 69 = 92  and 23(3) = 69

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3 years ago
Pang dagdag points niyo.... sagutan niyo nalang ng tamang sagot, yung tamang sago i high rate ko......
Elena-2011 [213]

Answer:

26/5

Step-by-step explanation:

(2)(2)(4)/5 −8+10

(4)(4)/5−8+10

=16/5−8+10

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Alternate form

5.2

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10y + 12 - 7y - 8 - 3y = ?
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Step-by-step explanation:

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Find the three angles of a triangle if the sum of the first angle and twice the second equals the third and, and if four times t
Anna71 [15]

Answer:

First Angle = 45°

Second Angle = 30°

Third Angle = 105°  

Step-by-step explanation:

First angle + 2(Second angle ) = Third Angle

4(second angle) = Third Angle + 15°

or, Third angle = 4(second angle)  - 15° ...(1)

⇒First angle + 2(Second angle )  = 4(second angle)  -  15°

or, First angle  = 2(second angle)  -  15° ... (2)

Now by ANGLE SUM PROPERTY of a triangle:

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Now, putting the values of (1) , (2) in above expression,

{2(Second angle)  -  15° } +  Second angle +{ 4(second angle)  - 15°} = 180°

is the required equation.

or, 7(Second angle) - 30° = 180°

or, 7(Second angle)  =   30° +   180°  =  210°

⇒ Second angle = 210°/ 7  = 30°

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and, Third angle = 4(second angle)  - 15°

                            = 4 x 30°  - 15°  =  120 - 15°  = 105°

5 0
4 years ago
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