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2 years ago

Please answer this asap and please show work.

Mathematics

1 answer:

lesya692 [45]2 years ago

7 0

So it is C because when you use rise over run, then you just look at the line were the line crosses trough the caskets and then you see that rise is 1 and run is two so it is 1/2 but if you convert the fraction into a decimal, the. It will be 0.5. The b is we’re the line goes trough the y-axis. So y=1/2+4 but you have to convort it into a decimal and it will be C y=0.5x+4. You welcome

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Determine the minimum number of angle measures you would have to know to find the measures of all the angles formed by two paral

AlexFokin [52]

Answer:

Measure of one angle is required.

Step-by-step explanation:

Kindly refer to the image attached.

AM and BN are the two parallel lines cut by a transversal PQ.

The angles formed are:

$\angle 1, \angle 2, \angle 3, \angle 4, \angle 5, \angle 6, \angle 7 \ and\ \angle 8$ .

Let, only one of the angles is known to us.

Let, it is given that $\angle 2 = 60^\circ$

AM is a straight line, therefore

$\angle 1+\angle 2 =180^\circ\\\Rightarrow \angle 1 =180-60=120^\circ$

$\angle 1$ and $\angle 3$ are vertically opposite angles, therefore must be equal to each other.

$\angle 1 = \angle 3 = 120^\circ$

$\angle 2$ and $\angle 4$ are vertically opposite angles, therefore must be equal to each other.

$\angle 2 = \angle 4 = 60^\circ$

By Corresponding angle postulate, we can see the following:

$\angle 2=\angle 5 =60^\circ\\\angle 3=\angle 6 =120^\circ\\\angle 1=\angle 8 =120^\circ\\\angle 4=\angle 7 =60^\circ$

Therefore, by knowing just one angle, all the angles can be found.

6 0

3 years ago

Using 0-9 only once to figure this out... HELP please

NeX [460]

I have no idea on D. Sorry. I hope this helps. They may not be right I didn’t quite understand the directions.

7 0

3 years ago

Lunna [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

I also need help on this one smh

AysviL [449]

Answer:

C. 176.6 Square feet (I think)

Step-by-step explanation:

I tried many different ways and got three of the answers above but I think this is the right one.

The equation to find area of a circular cone base: $A= \pi r^2$

We are given the diameter (15 Feet) but we need to find the radius. So we use the diameter to radius formula: $r = \frac{d}{2}$
Plug in numbers: $r=\frac{15}{2}$ ≈ $7.5$
Use the Area formula now that you have radius: $A=\pi 7.5^2$
Solve and get = $a = 176.71458676$
Looking at the options the closest one to our answer (off by one-tenth) is C.