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solong [7]
3 years ago
10

How do I figure out what p equals -2/5=3/8+p

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0

(−0.775)

Step-by-step explanation:

-2/5=3/8+p

subject p by taking 3/8 to the other side

p=-2/5 - 3/8

we will take the negative sign out by putting brackets

p=-(2/5+3/8)

p=-(16+15)/40

p=-31/40

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Solve equation by taking square root 9r^2-3=-152
Irina-Kira [14]

Thus, the answer is

±i√149/3


3 0
3 years ago
A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so
mamaluj [8]

Answer:

1) Is the pattern an arithmetic sequence?​

Yes it is

2)Identify a and d.​

a = First term = 2

d = Common difference = 2

3) Write the 50th term of the sequence.​

50th term = 100

4) Find the total number of logs in the first 10 rows.​

= 1010 logs

Step-by-step explanation:

Is the pattern an arithmetic sequence?​

Yes it is

2) Identify a and d.​

A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so on,

The formula for arithmetic sequence =

an = a+ (n - 1)d

a = First term

d = Common difference

For the above question:

a = 2

d = Second term - First term

= 4 - 2

d = 2

3) Write the 50th term of the sequence.​

Using the formula for arithmetic sequence

an = a+ (n - 1)d

a = 2

n = 50

d = 2

a50 = 2 + (50 - 1)2

= 2 + (49)2

= 2 + 98

= 100

The 50th term = 100

4)Find the total number of logs in the first 10 rows.​

Sum of first n terms = n/2(a + l)

n = 10

a = first term = 2

We are told that there are 200 logs in the bottom row, hence:

l = last term = 200 logs

Hence,

Sn = 10/2×[ (2 + 200

= 5(202)

= 1010 logs

7 0
3 years ago
There are 207 students in 9 classes at east middle school at this rate how many students are in 6 classes
patriot [66]

Answer:

138 students

Step-by-step explanation:

207/9 = 23

23*6=138

4 0
2 years ago
Read 2 more answers
Suppose you toss a coin four times. What is the probability that you get heads on the second, third, and fourth losses?​
Svetach [21]

Answer:

3:4

Step-by-step explanation:

probability = what wanted : total outcome

                 =  3 heads : 4 tosses

                = 3 : 4

4 0
3 years ago
Let the sample space represent all the values from 1 to 10. Let A = {1, 2, 8} and B = {2, 7}. What is the P ( A ∪ B ) ? (Express
Aneli [31]

Let A = {1, 2, 8} and B = {2, 7}.

P ( A ∪ B ) = {1, 2, 7, 8}

= 4/10

= 0.4

Answer: 0.4

5 0
3 years ago
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