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labwork [276]
3 years ago
6

Algebra help please

Mathematics
1 answer:
Tema [17]3 years ago
8 0
I can and will help if you give me something to help with.
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What statements are always true for a square
bagirrra123 [75]
A square's sides are always all congruent. A square's angles are always all congruent. The opposite sides of a square are always parallel.
6 0
3 years ago
Find the value of x in each Figure. Please help, thank you!!
Archy [21]

Answer:

#5  39 = x

Sides:

x - 15

2x

2x

Total of sides = 180

180 = (x-15) + 2x + 2x

180 = x - 15 + 4x  

180 = -15 + 5x     (add 15 to each side to remove -15)

195 = 5x     (divide by 5 on each side to get x)

39 = x

#7  24 = x

Sides:

2x - 4

3x + 5  

2x + 11

Total of sides = 180

180 = (2x - 4) + (3x + 5) + (2x + 11)

180 = 2x - 4 + 3x + 5 + 2x + 11

180 = 7x + 12      (subtract 12 to each side to remove 12)

168 = 7x      (divide by 7 on each side to get x)

24 = x

#8  37 = x

Sides:

x

x + 4

3x - 9

Total of sides = 180

180 = (x) + (x + 4) + (3x - 9)

180 = x + x + 4 + 3x - 9

180 = 5x - 5      (add 5 to each side to remove -5)  

185 = 5x      (divide by 5 on each side to get x)

37 = x

Step-by-step explanation:

5 0
3 years ago
Pita has 12 coins in her bag.
Allushta [10]

Answer:27/220

Step-by-step explanation:

She must have 2 �1 coins and 1 50p coin.

She can choose the 2 �1 coins 3C2 = 3 ways.

For each of those 3 ways she can choose the

50p coin 9C1 or 9 ways.

That's 3�9=27 ways to get �2.50.

She can choose any 3 coins in 12C3 = 220 ways.

The desired probability is 27 ways out of

220 ways,or 27/220, or 13.5% of the time.

4 0
3 years ago
8÷–4×(–7––2)=?<br> OM god guys I need help on this one! This is urgent!! pls hurry up!!
Bad White [126]

Answer:

It equals 2/5x or 10x

Step-by-step explanation:

Hope this helps

8 0
3 years ago
Read 2 more answers
Round 812913 to the nearest thousand
Gnoma [55]
813000 is 812913 rounded to the nearest thousandth.
4 0
3 years ago
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