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Klio2033 [76]
3 years ago
10

Plz, help me with this question!

Mathematics
2 answers:
timama [110]3 years ago
5 0

Answer:

D. 19

Step-by-step explanation:

veritically opposite angles are congruent so:

8x+2=154

8x=154-2

8x=152

x=152/8

x=19

hope this helps!! :D

artcher [175]3 years ago
3 0

Answer:

don't know that sorry can you help me though

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2x -2=10 solve for x
Aleonysh [2.5K]

Answer:

x=6

Step-by-step explanation:

Take -2 and add it to 10 and get 12. So then the equation is 2x=12. Divide 2 by 12 and get x=6.

8 0
3 years ago
Find the equation of the exponential function represented by the table below:
IgorC [24]

Answer:

y=2^{1-x}

Step-by-step explanation:

<u>Exponential Function</u>

When we need to express the exponential relation between two variables, we use the equation

y=Cr^{x}

where C, r are constants to be determined by using the given points from the table

For x=0, y=2, thus

2=C.r^{0}=C

We find that C=2

The equation is now

y=2r^{x}

Now we use the point x=1, y=1

1=2r

We find that

\displaystyle r=\frac{1}{2}

Thus, the equation is

\displaystyle y=2\left(\frac{1}{2}\right)^{x}

Rearranging

y=2(2)^{-x}=2^{1-x}

The required equation is

y=2^{1-x}

We can easily verify the last two points are also obtained by using the equation

7 0
3 years ago
A rectangular piece of paper has an area of 117 square inches and a perimeter of 44 inches. What are the dimensions of the paper
-Dominant- [34]

Answer:

13x9

Step-by-step explanation:

half of perimeret of  rectangle L+W

half of perimeter of  rectangle = 44/2 = 22

L+W=22

LxW=117

  Think of 2 numbers that added =22 and multiplied =117

       13+9 =22

    13x9 =117

3 0
2 years ago
Round 47.6001 to the nearest thousandth_______.
irakobra [83]
47.60<u>0</u>1
         ^thousandth place

the answer is  47.600 or 47.6
5 0
3 years ago
The surface area of a cone is 43.75 cm2 what is the slant height of the cone ? The base diameter is 5
kramer
<span>The first step in finding the surface area of a cone is to measure the radius of the circle part of the cone. The next step is to find the area of the circle, or base. The area of a circle is 3.14 times the radius squared (<span>πr2</span><span>). Now, you will need to find the area of the cone itself. In order to do this, you must measure the side (slant height) of the cone. Make sure you use the same form of measurement as the radius.

You can now use the measurement of the side to find the area of the cone. The formula for the area of a cone is 3.14 times the radius times the side (</span>πrl<span>).

So the surface area of the cone equals the area of the circle plus the area of the cone and the final formula is given by:</span>

<span>SA = πr2<span> + πrl</span></span><span><span>
</span></span></span>


5 0
3 years ago
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