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Norma-Jean [14]
3 years ago
15

Someone please help me with this

Mathematics
2 answers:
Verizon [17]3 years ago
6 0
X would be 48 degrees
Sati [7]3 years ago
3 0

Answer:

x = 48

Step-by-step explanation:

a straight line is 180 so 180 - 29 = 51

a triangles angles also add up to 180 so, 51 + 81 = 132 180 - 132 = 48

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Choose the correct simplification of the expression (3x)^4.
Y_Kistochka [10]
The exponent 4 needs to be applied to both 3 and x, so we would have:
3 * 3 * 3 * 3 * x^4.
9 * 9 * x^4.
81x^4
6 0
2 years ago
Read 2 more answers
What are the coordinates of the image of C if it is reflected across the x-axis?
Svetradugi [14.3K]

Answer:

(-2, 4)

Step-by-step explanation:

~When reflecting a point of the x-axis, the x value (or first number inside the parenthesis) does not change.

The reason the x-value does not change is because you are reflecting over the x-axis, making the point go up or down. That will change the y-value but the x-value only changes if you move to the left or the right. In this case, you can see that the point's x-value is -2, so that will not change. It's current y-value however is -4. When reflecting over an axis, the number that is changing (in this case the y-value) will just be flipped from positive to negative, or vise versa. In this case, -4 will be reflected to be 4, making point C reflected over the x-axis (-2, 4).

5 0
3 years ago
Read 2 more answers
Find the sum of the first one hundred positive integers. see fig 6.26
nignag [31]
Here's a pattern to consider:
1+100=101
2+99=101
3+98=101
4+97=101
5+96=101
.....
This question relates to the discovery of Gauss, a mathematician. He found out that if you split 100 from 1-50 and 51-100, you could add them from each end to get a sum of 101. As there are 50 sets of addition, then the total is 50×101=5050
So, the sum of the first 100 positive integers is 5050.

Quick note
We can use a formula to find out the sum of an arithmetic series:
s =  \frac{n(n + 1)}{2}
Where s is the sum of the series and n is the number of terms in the series. It works for the above problem.
8 0
3 years ago
A toy box has 6 faces.There are square there are 12 edges and 8 vertices.Identify the shape of the toy box.
xxTIMURxx [149]

Answer:

A cube or a cuboid.

Step-by-step explanation:

A cube or a cuboid is a three dimensional shape that has

12 edges, 8 corners or vertices, and 6 faces.

The difference between a cube and cuboid is that a cube has all edges equal which makes every face a square while a cuboid has two square faces and four rectangular faces.

6 0
3 years ago
Clare is paid 90$ for 5 hours of work. At this rate, how many seconds dose it take for her to earn 25 cents?
mrs_skeptik [129]

Answer:

84 seconds

Step-by-step explanation:

Because if you divide all of that you would get that answer

3 0
2 years ago
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