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Kazeer [188]
3 years ago
13

A mountain road is 5 miles long and gains elevation at a constant rate. After 2 miles, the elevation is 5500 feet above sea leve

l. After 4 miles, the elevation is 6200 feet above sea level.
What would be the equation of this line?

Find the elevation of the road at the point where the road begins.


Describe where you would see the point in part (a) on a graph where represents the elevation in feet and represents the distance along the road in miles.

Mathematics
2 answers:
stealth61 [152]3 years ago
5 0

Answer:

I hope this helps

Step-by-step explanation:

denis-greek [22]3 years ago
4 0
I really need points so I comment sorry I don’t know the answer
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Solve the equation and justify each step: <br><br><img src="https://tex.z-dn.net/?f=%20%28x%20%2B%203%29%5E%7B2%7D%20%20%2B%205%
Andreas93 [3]

Answer:

x=i√33−3,−i√33−3

hope this helps :)

Step-by-step explanation:

Subtract 5 from both sides of the equation.

(x+3)2=−28−

5 Subtract 5 from −28.

(x+3)2=−33

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x+3=±√−33

Simplify the right side of the equation.

x+3=±i√33

The complete solution is the result of both the positive and negative portions of the solution.

x=i√33−3,− i√33 −3

5 0
3 years ago
During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the
Amiraneli [1.4K]

Answer:

The temperature of the part won’t reach or exceed 141℉

Step-by-step explanation:

Substituting the value of T= 141 the given equation becomes

\begin{array}{l}{141=-0.005 x^{2}+0.45 x+125} \\ {-0.005 x^{2}+0.45 x+125-141=0} \\ {-0.005 x^{2}+0.45 x-16=0}\end{array}

we know that discriminant D = b^{2}-4 a c

Three conditions: - D < 0: imaginary roots, D = 0: real and equal roots,

D > 0: two real and unequal roots Substituting  a = -0.005, b = 0.045 and c = -16, \mathrm{D}=0.045^{2}-4(-0.005)(-16) \mathrm{D}=-0.317975 \mathrm{D}=-0.32(\text { approx. }) Therefore, it won't reach the temperature.

6 0
3 years ago
Read 2 more answers
And English class has read the first 384 pages of your novel. If this is 75% of the entire book, how many total pages are in the
Airida [17]
The answer is 5133.3333333
8 0
3 years ago
A’_____<br> B’_____<br> C’_____
grigory [225]

Answer:

A'(-3, 5), B'(1, 7), C'(2, 3)

Step-by-step explanation:

The rule (x,\,y) \to (x-1,\,y+2) means to subtract 1 from all the <em>x</em>-coordinates and add 2 to all the <em>y</em>-coordinates.  (It also means move each point 1 unit to the left and 2 units up.)

6 0
3 years ago
Formula lui paralelipiped.
Scorpion4ik [409]
V=abc
a=2(ab+act+bc)

hope it helps
8 0
4 years ago
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