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2 years ago

Is the answer 62 help plz

Mathematics

1 answer:

Elza [17]2 years ago

6 0

Answer:

Step-by-step explanation:

You have to add up the two angles that it gives you which are 90 and 55. That'll equal 145. Since all the angles added together in a triangle are supposed to equal 180, you subtract 145 from 180 to get your answer of 35.

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A car travels at an average speed of 56 miles per hour. How many miles does it travel in 4 hours and 15 minutes?

ivolga24 [154]

56*(4+15/60)

56*(240+15)/60

56*(255)/60

238 miles

8 0

2 years ago

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5x7/8 less than or greater

Pavel [41]

5x7= 35
35> (greater than) 8

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3 years ago

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Estimate each product 1/5 x 24

antoniya [11.8K]

Answer:

4.8

Step-by-step explanation:

Um, I'm not sure how to explain, but watch a khan academy video on it

3 0

2 years ago

Please help this is due tomorrow

Lostsunrise [7]

$\sf \left(\dfrac{1}{7}\right)^3\ is\ basically\ like\ saying\ you're\ multiplying\ \dfrac{1}{7}\ by\ \dfrac{1}{7},\ three\ times.$

$\implies\ \sf \dfrac{1}{7}\ \times\ \dfrac{1}{7}\ \times\ \dfrac{1}{7}\\\\\\\implies\ \dfrac{1}{343}$

Therefore, (1/7)³ = 1/343, implying that the answer is option (D).

Hope it helps. :)

7 0

2 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.

4 0

2 years ago

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