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ICE Princess25 [194]
3 years ago
11

Which is the value of x

Mathematics
2 answers:
svetoff [14.1K]3 years ago
6 0
All of those formulas must add up to 180 degrees, because a straight line is 180 degrees. We could add them all up (x+10+2x+10+4x+3x-5). Add all the x up...(10x) and the numbers...(16). Now we have an equation 10x+16=180. Isolate the x, and you get x=16.4
vodka [1.7K]3 years ago
5 0
16.5 is what I got for x you add them up and equal them to 180 because its a straight line
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Graph the following h(x)= -5 (0+1)(0-3)
Gwar [14]
-16 is it. Have a good c o r o n a my man
6 0
3 years ago
What is 2.071 as fraction form? Please tell me the improper fraction. Thank you a lot! :)
sineoko [7]
The improper fraction would be 2071/1000
8 0
3 years ago
The ratio of solid beads to clear beads in a vase is 820. Select all the correct statements that tell if the operations will giv
Tatiana [17]

Answer:

C, D and E

Step-by-step explanation:

Given

Represent solid beads with S and clear beads with C

So:

S:C = 8:20

Required

Select operations that give an equivalent ratio

First, we need to get the unit ratio

S:C = 8:20

Divide through by 4

S:C = 2:5 -- This means that, after any operation. The equivalent ratio must be 2: 5

Option A: Add 2 to S and 2 to C

S:C = 8:20

Perform the operation

S:C = 8 + 2 : 20 + 2

S:C = 10 : 22

Divide through by 2

S:C = 5:11

Option B: Subtract 8 from S and 6 from C

S:C = 8:20

Perform the operation

S:C = 8 - 8 : 20 - 6

S:C = 0 : 14

Option C: Multiply S and C by 2

S:C = 8:20

Perform the operation

S:C = 8*2:20*2

S:C = 16:40

Divide through by 8

S:C = 2:5

Option D: Divide S and C by 4

S:C = 8:20

Perform the operation

S:C = 8/2:20/4

S:C = 2:5

Option E: Multiply S and C by 18

S:C = 8:20

Perform the operation

S:C = 8*18:20*18

S:C = 144:360

Divide through by 72

S:C = 144/72:360/72

S:C = 2:5

<em>From the calculations above, options C, D and E gave an equivalent of 2:5.</em>

5 0
3 years ago
Sketch the graph y=-2/3x-1
Marina86 [1]
Here is the graph i looked it up in google idk if it's right but good luck

6 0
4 years ago
Question 3
makvit [3.9K]
1) Question 3

The system

y = 3.5x - 3.5

y = -3.5x +3.5

has one solution.

To find it, you can add the two equations:

2y = 0 => y =0

Now replace that value in any of the two original equations.

Doing it with the first of the equations:

=> 3.5x - 3.5 = 0=> 3.5x = 3.5 = x = 3.5 / 3.5 = 1

Solution (1,0)

Answer: one solution.

2) Question 4

<span>The graph of a system of equations will intersect at more than 1 point.

Some times:

For example:

y = x + 2
2y = 2x + 4
Intersects in infinite points.

y = x + 2
y = x + 3
will not intersect

y = 2x
y = x+1
will intersect at one point.

And a system with a quadratic equation and a  linear equation may drive to intersection in two points.
</span>
4 0
3 years ago
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