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amid [387]
3 years ago
8

A bag contains 9 marbles: 2 are green, 2 are red, and 5 are blue. Justin chooses a marble at

Mathematics
1 answer:
White raven [17]3 years ago
3 0

Answer:

the first draw will be 2/18 the second one will be 2/17

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Please someone help. Giving brainliest!!!!!! :)
irina [24]

Answer:

PLEASE BRAINLIEST

Step-by-step explanation:

400-2a =332

400-332 =2a

2a=68

a=34

8 0
3 years ago
1+4=5<br> 2+5=12<br> 3+6=21<br> 8+11=
jek_recluse [69]
=12-5=7
=21-12=9
when u look at they have a diffrence of 2 so the answer will have a diffrence of 2 =11
8 0
3 years ago
Which property is demonstrated below?<br> a + b = b + a
Contact [7]

Answer:

Commutative Property

Step-by-step explanation:

The word "commutative" comes from "commute" or "move around", so the Commutative Property is the one that refers to moving stuff around. For addition, the rule is "a + b = b + a"; in numbers, this means 2 + 3 = 3 + 2. For multiplication, the rule is "ab = ba"; in numbers, this means 2×3 = 3×2.

8 0
3 years ago
Read 2 more answers
an earthquake measures 3.6 on the richter scale. what is the amount of energy (ergs) released by the earthquake? give an exact a
Alisiya [41]
We have that 

<span>log10 E = 4.4 + 1.5<span>M
</span></span>E=<span>the released energy in Joules (J)
M= </span><span>earthquake measures---------- > 3.6
</span>log10 E = 4.4 + 1.5*3.6
log10 E = 9.8----------> E=10^(9.8)= 6.309573444 x10^9 J
<span>
the answer is  </span>6.309573444 x10^9 J<span>

</span>
5 0
3 years ago
What is the area of a circle with a radius of 21 feet?
lidiya [134]

Answer:

Area is about 1520.53

Step-by-step explanation:

A=\pi r^{2}

A = \pi 21^{2}

A ≈ 1520.53

6 0
3 years ago
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