Determine the lower limit of the 95% interval for the true mean weight. ... A diver descended at a constant rate of 12.24 feet every 3 minutes. .... weight of 16.05 ounces. at the 5% level of significance can we conclude that ...

5 0

2 years ago

The sum of two numbers is 51 and the greater number is twice the smaller number. Find the numbers. a) set up the variables Let _

Gelneren [198K]

Answer:

34 and 17

Step-by-step explanation:

a) set up the variables

Let x represent the first number Then y will represent the second number.

b) What is the equation that represents the above situation?

x = 2y
x + y = 51

c) Solve the equation.

Substitute x in the second equation and solve for y:

x + y = 51
2y + y = 51
3y = 51
y = 51/3
y = 17

Then find x

x = 2y = 2*17 = 34

4 0

2 years ago

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What is this method called?????

Serga [27]

Answer:

The algebraic method is a collection of several methods used to solve a pair of linear equations with two variables.

Step-by-step explanation:

8 0

2 years ago

Christina's family is building a house. On the blueprint, Christina's rectangular room measures 10cm by 12cm. The map has a scal

musickatia [10]

Answer:

270 ft square

Step-by-step explanation:

10cm * 1.5ft = 15 ft

12cm * 1.5ft = 18ft

18ft * 15ft = 270ft square

8 0

2 years ago

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