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miv72 [106K]
2 years ago
6

Answer choices : A : x = - 5 B : x = - 4 C : x = 4 D x = 5

Mathematics
1 answer:
Annette [7]2 years ago
8 0

Answer:

x=-4

Step-by-step explanation:

\frac{1}{4} x - \frac{1}{8} = \frac{7}{8} + \frac{1}{2} x

first group the like terms

\frac{1}{4} x - \frac{1}{2}x = 1

as 1/8 plus 7/8 = 1

then add the x's together

-\frac{1}{4} x = 1

and finally

x = -4

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For the polyhedron, use Euler's Formula to find the missing number.
disa [49]

If the number of the edges of the polyhedron is 14 and the vertices are 9. Then the number of the faces of the polyhedron is 7.

<h3>What is a polyhedron?</h3>

A polyhedron is a solid made composed of polygons in three dimensions. It has vertices, flat faces, and straight edges.

We know the Euler's formula

F + V - E = 2,

where, F = number of faces, V = number of vertices, and E = number of edges

Edges: 14

Vertices: 9

F + 9 - 14 = 2

            F = 14 + 2 - 9

            F = 16 - 9

            F = 7

Then the number of the faces of the polyhedron is 7.

More about the polyhedron link is given below.

brainly.com/question/2321456

#SPJ1

3 0
1 year ago
What is slope when talking about math
dolphi86 [110]
When graphing, its how much you rise and run
thats the formula when u have a graph and the question is asking for the slope.
you chose a point, and go down or up however many times it goes to the next point, and you run to the left however many times it gets you to get to that point.
if the line goes downward the slope is therefore negative, and if the line goes upward, the slope is therefore, positive.
m in math is meant to be slope, so m= \frac{rise}{run}
7 0
3 years ago
Read 2 more answers
This is a question from my sibling's math class.
Solnce55 [7]

Answer:

14

Step-by-step explanation:

You can solve using PEMDAS:

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

3(2+5)-5(3)+8=?

3(7)-5(3)+8=?

No exponents

3(7)-5(3)+8=?

21-15+8=?

No division

21-15+8=?

21-7=?

21-7=14

3(2+5)-5(3)+8=14

5 0
2 years ago
Read 2 more answers
Which of the following is an example of the identity property of 1?
Valentin [98]

Answer:

2 or 1

i mostly think its 2 but im not sure

Step-by-step explanation:

8 0
3 years ago
Pls help, was sick the day I had to learn this
7nadin3 [17]
1. 13/3m
2. 24m to the 2nd power over 3 m
3.72 m to the 2nd power -11 over 3m
4.-16/3m
4 0
3 years ago
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