3 years ago

On a number line, what is two-thirds of the distance from one-half to 2.25

1 answer:

7 0

The distance is .5 2.25-1.5--->Distance .75/3---->divide by 3 ----> .25 + .25 two thirds .25 is one thirds .5 is the distance, while on the number line, it would be the number 2

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Suppose that P is the point on the unit circle obtained by rotating the initial ray counterclockwise through 330 degrees. Find t

Flauer [41]

Answer:

Reference angle will be 30°

sin(330°) will be equal to $\frac{-1}{2}$

cos(330°) will be equal to 0.866

Step-by-step explanation:

We have given angle is 330°

As the angle $330^{\circ}$ is in forth quadrant

We know that in forth quadrant the reference angle is given by

Reference angle $=360-angle$

As the angle is 330°

So the reference angle will be $=360-330=30^{\circ}$

Now we have to find the value of

sin(330°) $=sin(2\pi -30)=-sin(30)=\frac{-1}{2}$

And now $cos(330^{\circ})=cos(2\pi -30)=cos30=0.866$

4 0

3 years ago

The temperature rose by 11 degrees Fahrenheit today. Write a signed number to represent this temperature change

Anestetic [448]

The rise in temperature by 11 degrees Fahrenheit can be represented by the temperature change, ΔT = +11 °F. The temperature change is positive because the temperature increased as stated in the question. Moreover, the formula for temperature change is: ΔT = T_final - T_initial. This means that for this case, the final temperature is higher than the initial temperature.

8 0

3 years ago

4-[2.5(5.4+2.6)-(-7.2)

valkas [14]

-23.2 I think this is the answer

7 0

3 years ago

Distributive/ like terms<br> Pre-Alegbra<br> Overdue!!

il63 [147K]

HI!

Here are the answers:

1) x=39/7 or 5.57