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sertanlavr [38]
3 years ago
13

What does : mean in a mathematical sentence​

Mathematics
1 answer:
yan [13]3 years ago
6 0

I think division, at least that's how I wrote it in school

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the hardwere store sold 7,389 boxes of nails last year. they aold 9,125 boxes of screws. how many more boxes of screws did they
Naily [24]
1,784 because 9,125 - 7,389 = 1,784
7 0
3 years ago
Read 2 more answers
Determine whether or not the two triangles are congruent. If they are state by what postulate.
avanturin [10]
Congruent
SSS (because of Pythagoras)
8 0
3 years ago
Need help!!!<br><br> which addition matches the problem...
Tom [10]

Answer:

The addition that matches the problem is the first one.

Step-by-step explanation:

The red line goes back 8 so it is a -8 and the blue line goes forward 4 so it is a postive 4.

4 + (-8) = -4

6 0
2 years ago
Let A and B be two events in a sample space S such that
klasskru [66]
P(A|B)<span>P(A intersect B) = 0.2 = P( B intersect A)

</span>A) P(A intersect B) = <span>P(A|B)*P(B)
Replacing the known vallues:
0.2=</span><span>P(A|B)*0.5
Solving for </span><span>P(A|B):
0.2/0.5=</span><span>P(A|B)*0.5/0.5
0.4=</span><span>P(A|B)
</span><span>P(A|B)=0.4
</span>
B) P(B intersect A) = P(B|A)*P(A)
Replacing the known vallues:
0.2=P(B|A)*0.6
Solving for P(B|A):
0.2/0.6=P(B|A)*0.6/0.6
2/6=P(B|A)
1/3=P(B|A)
P(B|A)=1/3
5 0
3 years ago
The temperature was 2.5°C below zero. After 4 hours, the temperature was now 5.6°C
ELEN [110]

Answer:

3.1 degrees celcius

Step-by-step explanation:

5.6C-2.5C=3.1C

5 0
3 years ago
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