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ELEN [110]
3 years ago
8

PLEASE HELP!!! ILL GIVE BRAINLIEST !! Which is the correct answer ?

Mathematics
2 answers:
Paul [167]3 years ago
7 0
A. Alternate interior angles
Archy [21]3 years ago
3 0

Answer:

SEE THE IMAGE ABOVE FOR ANSWER.

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A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. what was th
luda_lava [24]

The formula for Average speed = \frac{Total Distance}{Total Time}

The car travels 80 km in 1 hour.

Then the car travels 90 km in 2 hours.

And finally the car travels 76 km in 1 hour

So the total distance covered by the car = 80 + 90 + 76 = 246 km

The total time taken to cover this distance = 1 + 2 + 1 = 4 hours.

So average speed = \frac{246}{4}= 61.5

The average speed of the car is 61.5 km / h

3 0
3 years ago
Evaluate 805 divide by 5
Ket [755]
805 divided by 5 equals 161
4 0
3 years ago
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John is going on a trip and the country he is traveling to uses the Celsius scale. He is curious about converting Celsius temper
Setler79 [48]

Answer:

f(x)=\dfrac{9}{5}x+32 converts Celsius to Fahrenheit.

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

Step-by-step explanation:

Write given data in the table

\begin{array}{cc}x&f(x)\\^{\circ}\text{C}&^{\circ}\text{F}\\20&68\\30&86\end{array}

Let the expression for the function be

f(x)=ax+b

Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.

Substitute corresponding values into this expression:

68=20a+b\\ \\86=30a+b

Subtract these two equations:

86-68=30a-20a\\ \\10a=18\\ \\a=\dfrac{9}{5}

Substitute it into the first equation:

68=20\cdot \dfrac{9}{5}+b\Rightarrow b=68-36=32

So,

f(x)=\dfrac{9}{5}x+32

This is the function which converts Celsius to Fahrenheit.

And function

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

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3 years ago
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al atardecer un árbol proyecta una sombra de 2,5 m de longitud. Si la distancia desde la parte más alta del árbol al extremo más
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Answer:

no copies o lo busques el link que te mando porque tiene virus ok

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Simplify the rational expressions.<br> x² – 16/x2+6x+8
kari74 [83]

Answer: x4+6x3+8x2−16/x2

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