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In-s [12.5K]
3 years ago
15

Please help!!No links

Mathematics
1 answer:
shepuryov [24]3 years ago
8 0
X=12 do you need an explanation?
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I will mark the brainliest <br> Please answer thank youu!!!
antiseptic1488 [7]

Answer: its option "b"

Pentagon;not regular

Step-by-step explanation:

The polygon has 5 sides but all the sides are not equal

hence, it is an irregular pentagon

Hope this helped you!!

Please Mark as Brainliest!! : )

7 0
3 years ago
Please help with number 11 please.
Tomtit [17]

Answer: 4/10

Step-by-step explanation:

2/5 = ?/10 As the amount of pieces correspond to the denominator

As 5x2 = 10

2x2 = 4

5 0
2 years ago
The points with coordinates (x, -1), (2,2), and (4,3) lie on the same line. What is the value of x?
borishaifa [10]

Find the slope of the line passing throught the points (2, 2) and (4, 3).

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

Substitute:

m=\dfrac{3-2}{4-2}=\dfrac{1}{2}

If the point (x, -1) lie on the same line, then the slope of line passing through the points (2, 2) and (x, -1) the same:

Substitute:

m=\dfrac{-1-2}{x-2}=\dfrac{-3}{x-2}

We have the equation:

\dfrac{-3}{x-2}=\dfrac{1}{2}        <em>cross multiply</em>

(1)(x-2)=(-3)(2)

x-2=-6           <em>add 2 to both sides</em>

x=-4

<h3>Answer: x = -4.</h3>
7 0
2 years ago
Find each unit rate.<br> 4/5of a chapter in 3/10 hour
ZanzabumX [31]

Answer:

8/3mph

Step-by-step explanation:

you must multiply both fractions by the reciprocal of 3/10 which is 10/3

(4/5 * 10/3) / (3/10 * 10/3)

(40/15) / (30/30)

(8/3) / 1

8/3 /1 = 8/3

8 0
2 years ago
The number line represents −4 1/2+3 1/4. What is the sum?
rjkz [21]

Answer:

C

Step-by-step explanation:

Rbrberbrb

5 0
2 years ago
Read 2 more answers
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