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Whitepunk [10]
2 years ago
8

Help me plz ITS URGENT

Mathematics
2 answers:
Marina CMI [18]2 years ago
6 0

Answer:

H

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

3x + 2y = 19 ( subtract 3x from both sides )

2y = - 3x + 19 ( divide all terms by 2 )

y = - \frac{3}{2} x + \frac{19}{2} ← in slope- intercept form

with slope m = - \frac{3}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{3}{2} } = \frac{2}{3} → H

12345 [234]2 years ago
3 0
The slope perpendicular is 2/3
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Pls solve. Showing your work is suggested.
allsm [11]

Answer:

Part 3) Miguel scored 29 points and Alonzo scored 25 points

Part 4) Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

Step-by-step explanation:

Part 3) Let

x ----> the number of points that Miguel scored

y ---> the number of points that Alonzo scored

we know that

x+y=54 ----> equation A

x=y+4 ----> equation B

substitute equation B in equation A and solve for y

(y+4)+y=54\\2y=54-4\\2y=50\\y=25

Find the value of x

x=25+4=29

the solution is the point (29,25)

That means ----> Miguel scored 29 points and Alonzo scored 25 points

Part 4) Let

x ----> Morgan's age

y ---> Mr Santos' age

we know that

x+y=44 -----> equation A

x=y-15 ----> equation B

substitute equation B in equation A and solve for y

(y-15)+y=44\\2y=44+15\\2y=59\\y=29.5

Find the value of x

x=29.5-15=14.5

the solution is the point (14.5,29.5)

That means ----> Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

3 0
3 years ago
Which equation can be used to find the area of the of the trapezoid?
Leto [7]

Answer:

C) 1/2(15 +23)(9)

Step-by-step explanation:

The formula for the area of a trapezoid in terms of base lengths b1 and b2 and height h is ...

... A = 1/2(b1 +b2)h

Substituting the values shown in the figure, this becomes ...

... A = 1/2(15 +23)(9) . . . . . matches selection C

5 0
3 years ago
What is ( 3.1 x 10^5) ( 2.2 x 10^7) in scientific notation?
hjlf

Answer:

= 2.231 × 107

8 0
2 years ago
What is the equation of a line that passes through the points (3,3) and (-3,7)
just olya [345]

Answer:

slope intercept form is y=-2/3x+5

6 0
3 years ago
Which statement is true about the equation (x-4)(x + 2) = 162
Goryan [66]

Answer:

it’s C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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