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4 years ago

I need to answer #6.

Mathematics

1 answer:

r-ruslan [8.4K]4 years ago

4 0

P = 121.52 I did it on the calculator

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(t+5)(t+2),make t the subject of the formula

lianna [129]

Answer:

t= 2p+5/p-1

Step-by-step explanation:

The question is not well writen

Assume p = t+5/t-2

We are to make t the subject of the formula

Cross multiply

p(t-2) = t+5

pt - 2p = t+5

pt - t = 2p+5

t(p-1) = 2p+5

t= 2p+5/p-1

Hence the value of t is 2p+5/p-1

5 0

3 years ago

A prisoner is trapped in a cell containing 3 doors. The first door leads to a tunnelthat returns him to his cell after 2 days’ t

Lelu [443]

Answer:

2 days

Step-by-step explanation:

Expected number of days until prisoner reaches freedom=E(x)=?

E(x)=x*p(x)

Where x is the number of days and p(x) is the probability associated with them.

X 1 2 3

P(x) 0.5 0.3 0.2

E(x)=1*0.5+2*0.3+3*0.2

E(x)=0.5+0.6+0.6

E(x)=1.7.

Thus, the expected number of days until prisoner reaches freedom are 2 days.

7 0

4 years ago

Jake bought some shirts for $6 each. Andy bought some shirts for $8 each. The boys spent the same amount of money on shirts. Wha

-BARSIC- [3]

Answer:

$24, $48, $72

Step-by-step explanation:

Given that :

Jake: cost per shirt = $6

Andy : cost per shirt = $8

Bith spent same amount of money on shirt purchase :

Amount of money they could have spent :

Obtain the factors common to both 6 and 8

Factors of :

6 : 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72

8 : 8, 16, 24, 32, 40, 48, 56, 64, 72

$24, $48, $72,....

4 0

3 years ago

3 Terrence uses pieces of wood that are 10 inches long to

Alchen [17]

Answer:

146 whistles

Step-by-step explanation:

First, convert 122 feet to inches, by multiplying it by 12

122(12)

= 1464

Divide this by 10 to find how many whistles he can make

1464/10

= 146.4

Since we can only have a whole number of whistles, we have to round down to 146.

So, he can make 146 whistles

3 0

3 years ago

Given the following formula solve for i <br>P= 2(i+b) <br>

loris [4]

Answer:

Step-by-step explanation:

Given

P = 2(l + b) ← distribute

P = 2l + 2b ( subtract 2b from both sides )

P - 2b = 2l ( divide both sides by 2 )

$\frac{P-2b}{2}$ = l → B

5 0

3 years ago