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Soloha48 [4]
3 years ago
5

Factorise 16 x²+ 4 y² + 9 z²​

Mathematics
2 answers:
tatuchka [14]3 years ago
7 0

it cannot be factorised any further  :(

Dominik [7]3 years ago
4 0

Answer:

The expression is not factorable with rational numbers.

Step-by-step explanation:

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Write an expression to represent the submarine’s elevation after its final dive. Then simplify the expression to find its elevat
RideAnS [48]

Answer:

-502.5 − 115 = -617.5

The submarine’s elevation after its final dive is -617.5 feet, or 617.5 feet below sea level.

Step-by-step explanation:

Plato answer

3 0
4 years ago
Between​ 12:00 PM and​ 1:00 PM, cars arrive at a local​ bank's drive-thru at the rate of cars per hour ​( car per​ minute). The
erastovalidia [21]

Complete question :

Between 12:00 PM and 1:00 PM, cars arrive at Citibank’s drive-thru at the rate of 6 cars per hour (0.1 car per minute). The following formula from statistics can be used to determine the probability that a car will arrive within t minutes of 12:00 PM. F(t)=1−e^−0.1t

Determine how many minutes are needed for the probability to reach 80%.

Answer:

16.09 minutes

Step-by-step explanation:

Given the function :

F(t)=1−e^−0.1t

To attain 80% probability ; 80% = 0.8

0.8 = 1 - e^-0.1t

0.8 - 1 = - e^-0.1t

-0.2 = - e^-0.1t

Take the In of both sides

In(0.2) = In( e^-0.1t)

−1.609437 = - 0.1t

Divide both sides by - 0.1

−1.609437 / -0.1 = - 0.1t / 0.1

16.09 = t

Hence, the time it'll take will be 16.09 minutes

4 0
3 years ago
What is the volume of a prism that is 11×13×21?
posledela

Answer:

3003 units^3.

Step-by-step explanation:

Just multiply the dimensions :

11 * 13 * 21

= 143 * 21

= 3003 units^3.

8 0
3 years ago
Manny is buying new clothes for school. He buys three shirts for $14.95 each and a tie for $12. Everything in the store is on sa
jasenka [17]

Given:

Cost of each shirt = $14.95

Cost of a tie = $12

Discount on Sale = 15% off

Manny buys three shirts and a tie.

To find:

The Manny's total cost.

Solution:

We have,

Cost of 1 shirt = $14.95

Cost of 3 shirt = 3 × $14.95

                       = $44.85

Cost of a tie = $12

Total cost before discount = Cost of 3 shirt + Cost of a tie

                                            = $44.85 + $12

                                            = $56.85

Everything in the store is on sale for 15% off. So,

\text{Manny's total cost}=56.85-\dfrac{15}{100}\times 56.85

\text{Manny's total cost}=56.85-0.15\times 56.85

\text{Manny's total cost}=56.85-8.5275

\text{Manny's total cost}=48.3225

Therefore, the Manny's total cost is $48.3225.

3 0
3 years ago
The bakers at Healthy Bakery can make 240 bagels in 10 hours.
NemiM [27]
Answer is 24, 240 bagels devided by the hours, is 24 bagels
7 0
3 years ago
Read 2 more answers
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