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aleksandrvk [35]
3 years ago
11

Can someone plsss help me

Mathematics
1 answer:
Nina [5.8K]3 years ago
3 0

Answer:

The equation for charge is = current x times

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For one Biology test, Peter correctly answered 12 questions. These correct answers gave him a percent score of 50%. In total, ho
maksim [4K]

Answer:

24

Step-by-step explanation:

peter answer 24 which 12 he got right that he got 50% so that half of the questions so another half would be 12

8 0
2 years ago
13 - r &lt; 82<br><br><br><br><br> PLA I NEED THIS
maria [59]

Answer:

r > -69

Step-by-step explanation:

13 - r < 82

subtract 13 from both sides

13 - r - 13 < 82 - 13

- r < 69

to flip the inequality sign, multiply both side by -1 to make r positive:

- r (-1) < 69 (-1)

r > -69

5 0
2 years ago
Read 2 more answers
Do well-rounded people get fewer colds?
asambeis [7]

Answer:

Step-by-step explanation:

Hello!

The objective is to test if people with less social contact get more colds than people who are involved in a variety of social activities.

For this, a sample of 276 healthy men and women was taken.

n₁= 96 had few social outlets

n₂= 105 had six or more activities

These two groups were exposed to the cold virus and the following proportions of individuals that got sick were obtained:

p'₁= 0.62 (62% of the people with few social outlets got sick)

p'₂= 0.35 (35% of the people with six or more activities got sick)

The study variables are X₁: number of people with few social outlets that got sick after being exposed to the cold virus, in a sample of 96, and X₂: number of people with six or more activities that got sick after being exposed to the cold virus, in a sample of 105.

You have to construct a 99% CI for the difference these two populations since there is no specific order given I'll estimate: p₁ - p₂

(p'₁ - p'₂) ± Z_{1-\alpha /2} * \sqrt{\frac{p'_1(1-p'_1)}{n_1} +\frac{p'_2(1-p'_2)}{n_2} }

Z_{1-\alpha /2}= Z_{0.995}= 2.586

(0.62-0.35) ± 2.586 \sqrt{\frac{0.62*0.38}{96} +\frac{0.35*0.65}{105} }

[0.094; 0.045]

With a 99% confidence level, you'd expect that the difference between the proportion of people with few social outlets that got sick and the proportion of people with six or more social activities that got sick after being exposed to the cold virus.

I hope it helps!

8 0
3 years ago
1. Are the following triangles similar? Justify your answer.
DerKrebs [107]

Answer:

no they are not similar. this is because figure MCD had no corresponding sides to figure NLO. The two figures are not congruent or similar

5 0
3 years ago
6<br> Select all the expressions that equal 4×10
elena-s [515]

Answer:

40

Step-by-step explanation:

5 × 8 = 40

1 × 40 = 40

2 × 20 = 40

8 0
3 years ago
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