MATHEMATICS HIGH SCHOOL

What is 9+10
A. 1
B. 21
C. 19
D. 1,000,000

Answers

Answer 1
Answer: Technically it is 19.
Say you have 9 cars.  Your friend gives you 10 more.  You now have 19.

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Which statement is true about every rectangular pyramid?Each lateral face has an area less than the area of the base.
At least two of the lateral faces are congruent.
Each lateral face has the same height.
At least one of the faces has a whole number base or height.

Answers

Answer:

At least two of the lateral faces are congruent.

Step-by-step explanation:

Because the words "at least" are used this means that at a minimum 2 of the faces are congruent. Because the base is in the shape of a triangle, this will definitely be true.

hope this helps:)

Answer:

At least two of the lateral faces are congruent.

Step-by-step explanation:

Because the words "at least" are used this means that at a minimum 2 of the faces are congruent. Because the base is in the shape of a triangle, this will definitely be true.

hope this helps:)

What is the ratio 35 to 56 written as a fraction in lowest terms?

Answers

In lowest terms 35 to 56 would be written as 
Answer = 5 to 8 
:)

Name the solid figure that has 3 rectangular faces and 2 triangular faces

Answers

The answer is triangular prism :D

A youth group has a yard sale to raise money for a charity. The group earns $800 but decides to put its money in thebank for a while. Calculate the amount of money the group will have given the following scenarios:
b. Hot Bank pays an interest rate of 3% compounded annually, and the youth group leaves the money in for 5
years.

Answers

Answer:

The amount of money you will receive is $927.419

Step-by-step explanation:

Consider the provided information.

A youth group has a yard sale to raise money for a charity. The group earns $800 but decides to put its money in the  bank for a while.

We need to calculate the amount of money if hot bank pays an interest rate of 3% compounded annually, and the youth group leaves the money in for 5  years.

Future value can be calculated as:

FV=PV(1+r)^n

Substitute PV=800, r=0.03 and n=5 in above equation.

800(1+0.03)^5

800(1.03)^5=927.419

Hence, the amount of money you will receive is $927.419

The Mill Valley Brewery produces 32 ounce bottles of beer. The Bureau of Weights and Measures randomly selects 50 of these bottles, measures their contents, and obtains a sample mean of 31.8 oz and a sample standard deviation of 0.75 oz. At the 5% level, is there evidence that Mill Valley Brewery is cheating customers by under-filling their bottles?

Answers

Answer:

Since the calculated Z= -1.886 lies within the Z∝ = ± 1.96 we fail to reject our null hypothesis  that population mean is 31.8 oz. and not 32 ounces. There is evidence that Mill Valley Brewery is cheating customers by under-filling their bottles.

Step-by-step explanation:

Let the null hypothesis be

H0 : u = 31.8 oz    against  Ha: u ≠ 31.8 oz  two tailed test

For a two tailed test and alpha = 0.05 the z∝ = ± 1.96

The rejection region is Z ≥  ± 1.96

Here n = 50  

sample mean = x= 31.8 oz

and  sample standard deviation= s= 0.75

Population mean= u= 32

Test statistics to be used is

Z= x- u / s/ √n  which is approximately normal

Z= 31.8-32/0.75/ √50

z= -1.886

Since the calculated Z= -1.886 lies within the Z∝ = ± 1.96 we fail to reject our null hypothesis  that population mean is 31.8 oz. and not 32 ounces. There is evidence that Mill Valley Brewery is cheating customers by under-filling their bottles.

The sum of two consecutive integers is 99, what is the 2nd integer??

Answers

The two consecutive numbers are 40 and 59.
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