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SOVA2 [1]
3 years ago
13

Two-third a number plus 4 is 7

Mathematics
1 answer:
Harman [31]3 years ago
7 0

Answer:

2/3x+4=7

x=4.5

Step-by-step explanation:

2/3x+4=7

-4 -4

2/3x=3 (multiply by 3/2)

multiply both side by the reciprocal

x=4.5

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The researcher is interested to know if policy A (new) is more effective than policy B (old). Frame the hypothesis and describe
vesna_86 [32]

<u>Answer:</u>

<u>Null hypothesis: Policy B remains more effective than policy A.</u>

<u>Alternate hypothesis: Policy A is more effective than policy B.</u>

<u>Step-by-step explanation:</u>

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3 0
3 years ago
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yawa3891 [41]

Answer:

Therefore, we conclude that the statement in (A) is incorrect.

Step-by-step explanation:

We have the following sentences:

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B) If the probability of an event occurring is​ 0, then it is impossible for that event to occur.

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Therefore, we conclude that the statement in (A) is incorrect.

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