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Alchen [17]
3 years ago
10

Pls help due ASAP Show workings

Mathematics
2 answers:
noname [10]3 years ago
4 0

Answer:

JP = 18

PS = 9

Step-by-step explanation:

ps being the shorter side is one third of the line JS and 1/3 of 27 is 9

jp being the longer side is 2/3 the length of js and 2/3s of 27 is 18

Mrac [35]3 years ago
4 0

Answer:

JP=18

PS=9

Step-by-step explanation:

centroid divides median in the ratio 2:1

so,

JP:PS=2:1

Now take PS be x

then JP=2x

now, given JS=27

JP+PS=27

2x+x=27

3x=27

x=9

so,

PS=9

AND JP=18

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What numerical expression is equivalent to (2^2)^3
oksian1 [2.3K]

Answer:2*2=4

4^3=4*4*4=64

Step-by-step explanation:

5 0
3 years ago
Which expression is equivalent to:1/m6
Valentin [98]

Answer:

A

Step-by-step explanation:

6 is a power. So both C and D are wrong because 6 is being treated as an ordinary integer.

So the answer must be either A or B.

B is not correct because to move an expression from the denominator to the numerator changes the sign in the base (which is m in this  question).

A is correct. the power is changed from 6 in the denominator to -6 in the numerator. m is shifted to the numerator as well.

8 0
3 years ago
Zack has been planting young trees in his garden. The maple tree that is 42 inches tall is growing 1 inch per month, whereas the
kolezko [41]

In 16 months, two trees will be of same height

The trees will be of 58 inches tall

<em><u>Solution:</u></em>

Let "x" be the number of months

<em><u>The maple tree that is 42 inches tall is growing 1 inch per month</u></em>

Thus, equation for maple tree is given as:

Maple tree : 42 + 1 inch (number of months)

Maple tree : 42 + x ------- eqn 1

<em><u>The oak tree that is 10 inches tall is growing 3 inches per month</u></em>

Thus, equation for oak tree is given as:

Oak tree : 10 + 3 inch (number of months)

Oak tree : 10 + 3x -------- eqn 1

<em><u>For two two trees to be equal in height, equate eqn 1 and eqn 2</u></em>

42 + x = 10 + 3x\\\\3x - x = 42 - 10\\\\2x = 32\\\\x = 16

Thus, in 16 months, two trees will be of same height

<em><u>What will that height be?</u></em>

Substitute x = 16 in any one eqn

10+3x = 10 + 3(16) = 10+48 = 58

Thus the trees will be of 58 inches tall

3 0
4 years ago
Tamara finds the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible c
yarga [219]

Answer:

Tamara should expect the sum of the two cubes to be equal to 5 20 times.

Step-by-step explanation:

The sample space of rolling a number cube are:

S = {1, 2, 3, 4, 5, 6}

If two such cubes are rolled together, then the sum of the two cubes will be 5 for the combinations below:

S₁ = {(1, 4), (2, 3), (3, 2) and (4, 1)}

The total number of outcomes will be, N = 36.

Compute the probability that the sum of rolling two numbered cubes as follows:

Let X = number of time the sum of the two numbers on two cubes is 5.

Two numbered cubes are rolled n = 180 times.

The event of getting a sum of 5 in independent of the other results.

The random variable X follows a Binomial distribution with parameters n = 180 and p = .

The expected value of X is:

Compute the expected number of times Tamara expects the sum of the two cubes to be equal to 5 as follow:

Thus, Tamara should expect the sum of the two cubes to be equal to 5 20 times.

6 0
2 years ago
Jason's new business will start making a profit when he sells more than 20 items. Which graph best represents this situation?
masya89 [10]

Answer:

I- where is the graph

Step-by-step explanation:

7 0
2 years ago
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