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Mars2501 [29]
3 years ago
6

Solve for x and y: 10x=5y+5 y=2x-1

Mathematics
1 answer:
azamat3 years ago
7 0

Answer:

So there are infinite solutions along the line y = 2x-1

Step-by-step explanation:

10x=5y+5

y=2x-1

Substitute y into the first equation

10x = 5(2x-1) +5

10x = 10x-5+5

10x = 10x

This is always true

So there are infinite solutions along the line y = 2x-1

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Which polygon is a concave octagon?
Bezzdna [24]

The polygon in option 3 is not octagon at all, it is heptagon (or 7-sided polygon).

A convex octagon has no angles pointing inwards. More precisely, no internal angles can be more than 180°.

When some internal angle is greater than 180°, it is concave.

In option 2 you can see that one angle is pointing inward, then this octagon is concave.

Answer: correct choice is B.

8 0
3 years ago
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The diagram represents 6x2 – 7x + 2 with a factor of 2x – 1. A 2-column table with 2 rows. First column is labeled 2 x with entr
sukhopar [10]

Answer:

(  3x -2)

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We have to determine how to break up 6x^2

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8 0
4 years ago
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PLZ HELP QUICK!!!
Viktor [21]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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in the next several games , the pitcher threw a total of 384 pitches and used a fastball 240 times. What decimal should juanita
umka21 [38]

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240 / 384 = 0.625

7 0
3 years ago
Solve for y.<br> 10 = 6 + y
frutty [35]
Y =4
if you replaced y with 4 the equation would be true...

it's easy math
- hope you have a nice day...
6 0
2 years ago
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