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hoa [83]
3 years ago
12

Need help writing simple functions 30 POINTS

Mathematics
1 answer:
Ratling [72]3 years ago
7 0

Answer:

p=6.45+.55t

Step-by-step explanation:

PLz brainliest,hope I could help

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Two automobiles start together at the same place and travel along the same route. the first averages 40 miles per hour, the seco
erastovalidia [21]

55 mph minus 40 mph = 15 miles distance for each hour


So 5 hours * 15 = 75 miles difference after 5 hours



3 0
4 years ago
Read 2 more answers
For what value of “a”are the graphs of 5y = -2x + 10 and 3y = aX- 15 parallel
Pie

Answer:

a = -6/5

Step-by-step explanation:

For the graphs to be parallel the graphs should have same slope(m)

So we rewrite both our equations in the slope-intercept form then compare the slope to find the value of a like this,

y=mx+b

This equation is the slope-intercept form we convert both our equations in this form firstly taking equation 1

5y=-2x+10\\\\y=\frac{-2x+10}{5} \\\\y=\frac{-2}{5}x+\frac{10}{5} \\\\y=\frac{-2}{5}x+2

so if we compare it with y = mx + b the coefficient of x is m and hence

m= -2/5 now solving for equation 2

3y=ax-15\\\\y=\frac{ax-15}{3} \\\\y=\frac{ax}{3}-\frac{15}{3}  \\\\y=\frac{a}{3}x-5\\\\

so here if we compare it with y = mx + b the coeffienct of x is a/3 so since parallel lines have same slope by the formula:

m_1=m_2

we equation both the slope to each other to find the value of a like this,

m_1=m_2\\\\\frac{-2}{5}=\frac{a}{3}\\\\-2(3)=a(5)\\\\-6=5a\\-6/5=a

so the value of a equals

a= -6/5

8 0
3 years ago
I’ll give brainliest:) help thanks
liubo4ka [24]

Answer:

A

hope this helps

have a good day :)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLEST PLZZ HELP MEEE
lisov135 [29]

Answer:

2

Step-by-step explanation:

(x,y)

7 0
3 years ago
A railroad crossing sign has a diameter of 30 inches. what is the area of the sign?
Anna007 [38]

Answer:

706.5m^2

Step-by-step explanation:

The sign is a circle

Area of a circle is (pi)r^2

d = 30 in -> r = d/2  = 30/2 = 15

Area = 3.14 x (15)^2 = 706.5m^2

5 0
3 years ago
Read 2 more answers
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