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Mkey [24]
3 years ago
14

HELP 

Mathematics
2 answers:
Komok [63]3 years ago
8 0

Answer:

y=5

Step-by-step explanation:

Hello

I think I can help you with this

Step 1

In mathematics and applied sciences the slope is  the inclination of a linear, natural or constructive element with respect to the horizontal, in this case the line is horizontal , so, m=0

If you know the slope m of a line and the coordinates (x 0, and y0) of a point on the line, you can write the equation of the line in the point-slope form.

y-y_{0}=m(x-x_{0})

Let

P1(-7,5)\\x_{0}=-7\\y_{0}=5\\m=0

y-y_{0}=m(x-x_{0})\\y-5=0(x-(-7))\\y-5=0(x+7)\\y-5=0\\y=5\\

the equation of the lines is

y=5

Have a great day.

Maurinko [17]3 years ago
7 0
Y = 5
............................
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Step-by-step explanation:

It's most efficient to simplify the quotient algebraically before inserting the values of the variables x and y.  

The given expression reduces to x³ / y^4.

Substituting 2 for x and 3 for y, we get:

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--------- = ---------- (Agrees with first given possible answer)

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Since she bought 4 bags of 50 beads and 3 bags of 200 beads you only need to use two operations: multiply and add. 4 x 50 is 200 3 x 200 is 600 600 + 200 = 800 Mariah purchase 800 beads in total.
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On average, Haley is able to read 4 5/6 Chapters in the her book each week . How many weeks will it take Haley to read 9 2/3 Cha
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Answer:

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Step-by-step explanation:

y = mx + b

y = total number of chapters read = 9\frac{2}{3}

m = number of chapters read per week = 4\frac{5}{6}

x = number of weeks = what we're solving for

b is not needed to find this solution

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What’s the area of segment (shaded region) PLEASE HELP FAST
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Jessie recently drove to visit her parents who live 240240 miles away. On her way there her average speed was 2525 miles per hou
dusya [7]

Answer:

The speed/rate to her parent's house is x = 75 mph

The speed/rate from her parent's house is y = 50 mph

Step-by-step explanation:

Given;

Distance to her parent's house = 240 miles

Total distance travelled (to and fro) = 240×2 = 480 miles

Total time taken t = 8 hours

On her way there her average speed was 25 miles per hour faster than on her way home (she ran into some bad weather)

Let x and y represent her speed to and from her parent's house respectively.

x = y+25 ......1

The time taken to her parent's house is;

time = distance/velocity

t1 = 240/x = 240/(y+25)

The time taken from her parent's house is;

time = distance/velocity

t2 = 240/y

Total time taken t = t1 +t2

t = 240/(y+25) + 240/y = 8

Solving for y ;

(240y + 240(y+25))/(y^2 +25y) = 8

Cross multiply;

240y + 240y+6000 = 8y^2 + 200y

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8y^2 + 200y -480y -6000 = 0

8y^2 - 280y - 6000 = 0

Divide through by 8;

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Solving the quadratic equation;

y = 50

or

y = -15

Velocity cannot be negative, so y = 50mph

From equation 1;

x = y+25

Substituting y =50

x = 50 + 25

x = 75 mph

The speed/rate to her parent's house is x = 75 mph

The speed/rate from her parent's house is y = 50 mph

3 0
3 years ago
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