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Andre45 [30]
2 years ago
5

A railroad crew can lay 5miles of track each day. They need to lay 135 miles of track. The length, l (in miles), that is left to

lay after d days is given by the following function.
Mathematics
1 answer:
torisob [31]2 years ago
4 0
What is the function
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F(t)=2t-3<br><br><br> f(7)=<br><br> Pleasssssssse helllllpppp<br> I only have 2 minutes 15 points
yaroslaw [1]
F(7)= 11 if this is right mark 5 star

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3 years ago
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Help with both questions please
Igoryamba
For the first question the answer is the second option.
For the second question the answer is the first option.

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Which expression is equivalent to (-3y - x) - (5y - 8x)?
Vinil7 [7]

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b

Step-by-step explanation:

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4 0
3 years ago
Consider triangle ABC. The legs have a length of 5 units each. What is the length of the hypotenuse of the triangle?
Korvikt [17]

Answer:

5\sqrt{2} units.

Step-by-step explanation:

We have been given that two legs of triangle ABC measures 5 units each. We are asked to find the length of the hypotenuse.

We will use Pythagoras theorem to solve for the hypotenuse of triangle ABC.

\text{Hypotenuse}^2=\text{Leg}^2+\text{Leg}^2

Substituting our given values in above equation we will get,

\text{Hypotenuse}^2=5^2+5^2

\text{Hypotenuse}^2=25+25

\text{Hypotenuse}^2=50

Upon taking square root of both sides of our equation we will get,

\text{Hypotenuse}=\sqrt{50}

\text{Hypotenuse}=\sqrt{25*2}

\text{Hypotenuse}=5\sqrt{2}

Therefore, the length of hypotenuse of triangle ABC is 5\sqrt{2} units.

6 0
3 years ago
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Can someone help w number 4
strojnjashka [21]

Answer:

angle DFG = 49 degrees

angle JKL = 41 degrees

Step-by-step explanation:

When angles are complementary with each other, it means that if you add both of the angles up, it adds up to 90 degrees.

In this question, you would have to add up angle DFG and angle JKL and find the x that makes the equation equal to 90 degrees.

angle DFG = x + 5

angle JKL = x - 3

(x + 5) + (x - 3) = 90

2x + 2 = 90

2x = 90 - 2

2x = 88

x = 44

But since we have to find out the angle measures, we have to the "x = 44" with the x's in the DFG and JKL angles.

DFG = (44) + 5 = 49

JKL = (44) - 3 = 41

7 0
2 years ago
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