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topjm [15]
2 years ago
6

I NEED HELP.... IM TIMED!!! PLS SHOW WORK!!! +10 POINTS

Mathematics
1 answer:
Savatey [412]2 years ago
4 0

Answer:

x=-17

Step-by-step explanation:

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What’s the correct answer for this question?
erik [133]

Answer:

B:

Step-by-step explanation:

Measure of ARC AFB is 180°

Why?

This is because AB is a diameter.

4 0
2 years ago
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In geometry, a solid may exist in a plane.<br> O<br> A. True<br> OB. False
il63 [147K]

Answer: False

Step-by-step explanation: I did this already

5 0
3 years ago
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A boy, who is 5 ft. 6 in. tall, casts a shadow 2 ft long. Find the height of the pole if it casts a shadow 2 yards long.
GalinKa [24]

1 yard = 3 feet

2 yards = 6 feet

2 feet * 3 = 6 feet

 so 5.5 ft * 3 = 16.5 feet, so pole is 16 feet 6 inches

6 0
3 years ago
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A teacher needs 256 lengths of string cut to 40cm each. If balls of string are 30M long, how many balls are needed?
Otrada [13]
First you need to work out how much string is needed -
256 pieces needed x 40cm each:
256 x 40 = 10240cm

Then, convert to metres (100cm = 1m)
10240 / 100 = 102.4m

Then, you work out how many balls are needed:
30 can fit into 102.4 3 times with .41m to spare. So, you need three balls of string, PLUS another one to cover the 41cm

So to conclude: 4 balls of string are needed.
4 0
2 years ago
an algebra teacher drove by a farmyard full of chickens and pigs.the teacher happened to notice that there were a totals of 100
LiRa [457]
I'll be honest, this is a pretty interesting question. I've never seen anything like it before!

We can start off by making equations with the given. If there are 100 heads, that means that the total number of chickens and pigs combined is 100. Thus, we can form our first equation:

p + c = 100
('p' represents number of pigs, and 'c' represents number of chickens)

We also know that there are 270 legs total. Since chickens have 2 and pigs have 4, we can make the following equation:
2c + 4p = 270

I suppose the quickest way to solve for this equation is to use the subtraction method. Put the equations on top of each other:

2c + 4p = 270
c + p = 100
___________
Multiply the bottom equation by -2;

2c + 4p = 270
-2c -2p = 100
____________
"Add" these two equations together:

2c + 4p = 270
-2c -2p = -200
___________
2p = 70

Divide both sides by 2:
p = 35

Ah, finally. Now that we know that there are 35 pigs, input this variable into the first equation to find the number of chickens:

c + 35 = 100
Subtract:
c = 65

There are 35 pigs and 65 chickens
-T.B.
3 0
3 years ago
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