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Bess [88]
3 years ago
13

Estimate the area of the circle use 22/7 (fraction) as pie

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0
The area of a circle is pi*r^2
22/7*14^2=<span>616
The answer is 616 cm^2
</span>
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Solve by elimination 8x-6y=-20 -16x+7y=30
guajiro [1.7K]

The answer is

X=-1

Y=2

7 0
3 years ago
Which is not true?<br> A) -8&lt;0<br> B) -8&gt;0<br> C) 7&gt;-9<br> D) -9&lt;7
photoshop1234 [79]

answer

-8>0

step by step

-8:--------. NB you owe something or someone

0: you don't have anything or you don't owe anything

4 0
3 years ago
Solve the system using submsitution<br> x+y=-10<br> y=5x+2
Nitella [24]

Answer:

x+y= -10

y=5x+2

solution

x+(5x+2)= -10

x+5x+2= -10

6x+2= -10

6x= -10-2

6x= -12

6x/6= -12/6

x= -2

while y=5x+2

y= 5(-2)+2

y= -10+2

y= -8

x= -2, y= -8

4 0
2 years ago
Question is down below
Bingel [31]

This is a great question!

To determine the probability with which two sweets are not the same, you would have to subtract the probability with which two sweets are the same from 1. That would only be possible if she chose 2 liquorice sweets, 5 mint sweets and 3 humburgs -

Probability( 2 Liquorice) = 12 / 20 * 11 / 19

As you can see, the first time you were to choose a Liquorice, there would be 12 out of the 20 sweets present. After taking that out however, there would be respectively 11 Liquorice out of 19 remaining. Apply the same concept to each of the other sweets -

Probability(2 Mint ) = 5 / 20 * 4 / 19,\\Probability( 2 Humbugs ) =  3/20 * 2/19

____

Calculate the probability of drawing 2 of each, add them together and subtract from one to determine the probability that two sweets will not be the same type of sweet!

1-\left(\frac{132}{380}+\frac{20}{380}+\frac{6}{380}\right) =\\\frac{111}{190}

<u><em>Thus, the probability should be 111 / 190</em></u>

5 0
3 years ago
Jace has two number cubes the red cube has the following numbers on the faces 1,1,2,2,5,6 the blue number cube has the following
Lerok [7]

Answer: Jace is true

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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