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aivan3 [116]
3 years ago
6

Help pleaseeeeeeeeeeeeee

Mathematics
1 answer:
wolverine [178]3 years ago
4 0

Answer:

4z^2+7z

you have to combine the like terms

7z+4z^2+6-6

then becomes

(4z^2) + (7z) + (6-6)

gets you to the simplified version which is

4z^2 +7z

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Express 9 3/2 in simplest radical form
BabaBlast [244]

Answer:

Exact Form:

√93

Decimal Form:

27

Step-by-step explanation:

8 0
3 years ago
Please helpppp it has to do with P(A U B)
Katyanochek1 [597]
P(A)=0.5, P(B)=0.6, P(A\cup B)=0.8

We find the probability of intersection using the inclusion/exclusion principle:


P(A\cap B)=P(A)+P(B)-P(A\cup B)=0.3


By definition of conditional probability,


P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{0.3}{0.6}=0.5


For A and B to be independent, we must have


P(A\cap B)=P(A)\cdot P(B)

in which case we have 0.3=0.5\cdot0.6, which is true, so A and B are indeed independent.


Or, to establish independence another way, in terms of conditional probability, we must have

P(A\mid B)\cdot P(B)=P(A)\cdot P(B)\implies P(A\mid B)=P(A)


which is also true.
7 0
3 years ago
Which is more, 15,841 yards or 9 miles?
ohaa [14]

Answer:

Well they are equal unless you count 000.5682 of a difference

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Could someone explain.This brainliest.
LekaFEV [45]

Mikayla-132\\\\Zack:\\one\ fourth\ as\ much\ candy\ as\ Mikayla\\\\\dfrac{1}{4}\cdot132=\dfrac{132}{4}=33\\\\Kim:\\three\ times\ as\ much\ candy\ as\ Zack\\\\3\cdot33=99\\\\Answer:\ 132+33+99=264\ pieces

4 0
4 years ago
Please help me with this
Marrrta [24]

Answer:

11 cm

Step-by-step explanation:

1m = 100cm

By examining the graph carefully, we can see that the record in 1985 is 2.4 m. In 1970 it was slightly under 2.3 m. For it to be 15cm it would have to be 2.25m. For it to be 9 cm it would the record would have been above 2.3m.

4 0
2 years ago
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