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hjlf
4 years ago
13

I need help with plz

Mathematics
1 answer:
makkiz [27]4 years ago
4 0
32. p is 3r-1. (3r-1)+r=43. 4r-1=43. 4r=44. r=11. p=3r-1. p=3(11)-1. p=32.
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Joshua has 5 pieces of wood that each measure 3 and 3/4 feet long. He uses 1/2 of the wood for a school project He uses 1/4 of t
Fofino [41]
Answer is, that he has 18 feet left over. hope this helps
6 0
3 years ago
Read 2 more answers
Solve 1/11c > 9. Graph the solution. . The solution is​
Katarina [22]

Answer:

I suppose that the inequality is:

(1/11)*c > 9.

To solve this we need to isolate c in one side of the inequality.

To isolate it, we need to multiply both sides by 11, then we get:

11*(1/11)*c > 9*11

c > 9*11 = 99

c > 99.

To graph this, we will have an open dot at c = 99, and an arrow that points to the right direction.

The graph is shown below.

5 0
3 years ago
Your English teacher has decided to randomly assign poems for the class to read. The syllabus includes four poems by Shakespeare
Tresset [83]
The probability of event A and B to both occur is denoted as P(A ∩ B) = P(A) P(B|A). It is the probability that Event A occurs times the probability that Event B occurs, given that Event A has occurred.

So, to find the probability that you will be assigned a poem by Shakespeare and by Tennyson, let Event A = the event that a Shakespeare poem will be assigned to you; and let Event B = the event that the second poem that will be assigned to you will be by Tennyson.

At first, there are a total of 13 poems that would be randomly assigned in your class. There are 4 poems by Shakespeare, thus P(A) is 4/13.
After the first selection, there would be 13 poems left. Therefore, P(B|A) = 2/12
Based on the rule of multiplication,
P(A ∩ B) = P(A) P(B|A)P(A ∩ B) = 4/13 * 2/12
P(A ∩ B) = 8/156
P(A ∩ B) = 2/39

The probability that you will be assigned a poem by Shakespeare, then a poem by Tennyson is 2/39 or 5.13%.
6 0
4 years ago
While visiting a friend's home, I saw kittens and chickens playing in the backyard. Counting heads, I got 18. Counting feet, I g
andrew11 [14]

Answer:

  11

Step-by-step explanation:

The 25 pairs of feet were 7 more than the number of heads, so there were 7 kittens. Hence there were 18-7 = 11 chickens.

5 0
4 years ago
The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r?
Travka [436]

Answer:-

The option B is the right answer.

Solution:-

\sf h = 2d = 2 \: • \: 2r = 4r

\sf =  \frac{1}{3} \pi  {r}^{2} h

\sf  =  \frac{1}{3} \pi  {r}^{2}  \: • \: 4r

\sf  =  \frac{4}{3} \pi  {r}^{3} \:   \green✓

5 0
3 years ago
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