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-BARSIC- [3]
3 years ago
12

Which choice is a trait of a quadrilateral? (picture)

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0
The sum of the interior angles is 360
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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B4%7D%20-%20%20%5Cfrac%7B3%7D%7B8%7Dy%20%3D%203%20%5C%5C%20" id="TexFormula
MariettaO [177]

Answer:

(6, - 4 )

Step-by-step explanation:

Given the 2 equations

\frac{x}{4} - \frac{3}{8} y = 3 → (1)

\frac{5}{3} x - \frac{y}{2} = 12 → (2)

Multiply (1) by 8 and (2) by 6 to clear the fractions

2x - 3y = 24 → (3)

10x - 3y = 72 → (4)

Rearrange (3) expressing - 3y in terms of x by subtracting 2x from both sides

- 3y = 24 - 2x

Substitute 3y = 24 - 2x into (4)

10x + 24 - 2x = 72, that is

8x + 24 = 72 ( subtract 24 from both sides )

8x = 48 ( divide both sides by 8 )

x = 6

Substitute x = 6 in either (3) or (4) and solve for y

Substituting in (3)

2(6) - 3y = 24

12 - 3y = 24 ( subtract 12 from both sides )

- 3y = 12 ( divide both sides by - 3 )

y = - 4

Solution is (6, - 4 )

3 0
2 years ago
You are asked to draw a triangle with side lengths of 6 inches and 8 inches. What is the longest whole number length that your t
tensa zangetsu [6.8K]
Fo sides, a,b,c
where c is the longest

c<a+b
or else you won't have a triangle

we want the longest side
this mystery side is c
other ones are a and b

c<6+8
c<14
the next largest whole number is 13

answer is 13 inches
3 0
2 years ago
Read 2 more answers
-x+ 3 = — 3х + 23 What is it?​
nekit [7.7K]

Answer:

x=10

Step-by-step explanation:

-x+ 3 = - 3x + 23\\2x+3=23 \\2x=20\\x=10

1. Subtract -3x from both sides of equation

2. Subtract 3 from both sides of equation

3. Divide both sides by 2

4 0
3 years ago
Read 2 more answers
Jacqueline reads 25 pages every night. Which graph correctly displays y, the total number of pages that Jacqueline has read afte
Charra [1.4K]

The correct answer is) D.  Because on the graph you can see that it increases by 25 each day which follows the equation Y=25x

The reason for this is because she reads 25 pages a night Meaning that the total number of pages Jacqueline has read (Variable Y) = 25 pages a night (x)


6 0
3 years ago
Read 2 more answers
Item 5 is unpinned. Click to pin.
ira [324]

Answer:

10...

Step-by-step explanation:

4 0
3 years ago
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