MATHEMATICS COLLEGE

The sale price of an item is $330 after a 25% discount. What was the original price of the item?

Answers

Answer 1

Answer:

Answer:

$440

Step-by-step explanation:

100%-25%=75%

75%=330

1%=330÷75=4.4

100%=100x4.4=440

Hope this helps! Thanks.

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An elementary school is offering 3 language classes: one in Spanish, one inFrench, and one in German. The classes are open to any of the 100 students inthe school. There are 28 students in the Spanish class, 26 in the French class,and 16 in the German class. There are 12 students that are in both Spanish andFrench, 4 that are in both Spanish and German, and 6 that are in both Frenchand German. In addition, there are 2 students taking all 3 classes.(a) If a student is chosen randomly, what is the probability that he or she isnot in any of the language classes

Suntract decimals 11.63_6.7

Answers

Answer:

11.63 - 6.7 = 4.93

Hope this helps!

What is the lowest common multiple of 20 and 60

Answers

Answer:

Step-by-step explanation:

Suppose that you are examining the difference in ages between brides and grooms. You are interested in conducting a significance test to examine to address the theory that the bride is younger than the groom in more than half of all marriages. A sample of 100 couples were observed, for which 67 had a bride younger than the groom.whats is the parameter? .
Step 2: The null hypothesis and alternative hypothesis?
Step 5: whats the p-value is:

Answers

Answer:

Parameter = 0.5

Null hypothesis : H0 : P0 = 0.5

Alternative hypothesis ; H0 : P0 > 0.5

Pvalue = 0.99966

Step-by-step explanation:

The parameter defines a statistical value or calculation which is derived from the population.

The parameter in this scenario is the population proportion, P0 which is 0.5

The scenario above describes a scenario to test the difference in population.

The null hypothesis, that bride and groom are of the same age ;

H0 : P0 = 0.5

The alternative hypothesis ; the bride is younger Than the groom in more than half of the population.

H1 : p0 > 0.5

To obtain the Pvalue :

Test statistic : (phat - P0) ÷ √(p0(1 -p0) / n)

Phat = x/n

x = 67 ; sample size, n = 100

Phat = x / n = 67/100 = 0.67

P0 = 1 - 0.5 = 0.5

Tstatistic = (0.67-0.50) ÷ √(0.5(0.5) / 100)

Tstatiatic = 0.17 ÷ 0.05

Tstatistic = 3.4

P-value : p(Z < 3.4) = 0.99966 (Z probability calculator).

A diver is 5 feet above the surface of a pool. If his position can be recorded as 5 feet , what would the position of 0 represent

Answers

Answer:

on the surface of the pool should be your answer

Step-by-step explanation: uuh- google

Write the number 31 in tens and ones

Answers

10 + 10 + 10 + 1
or
1 +1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1
;)

The tens digit is 3. There are three of these which makes it to 30. Also, the ones digit of this number is equal to 1. The answer to this item are therefore 30 and 1.

Hope this helps!

tens is 310.000 and ones is 31.000 I think hope it helps

Convert 0.49494949 into a fraction. Show all work.

Answers

Answer:

0.4949

49 this is a fraction

Step-by-step explanation:

Let

XXX

0.49

¯¯¯¯

then

XXX

100

49.49

¯¯¯¯

and

XXX

100

−

XXX

Other Questions

(-2, 1) and (2, -3)Slope intercept form

A bacterial culture starts with 500 bacteria and doubles in size every half-hour.(a) How many bacteria are there after 3 hours?Answer: Since 3 hours equals 6 half-hours, the culture will have doubled 6 times.Therefore, there will be500 · 26 = 32,000bacteria.(b) How many bacteria are there after t hours?Answer: Since t hours is the same as 2t half-hours, the culture will have doubled 2ttimes. Therefore, there will be500 · 22tbacteria.(c) How many bacteria are there after 40 minutes?Answer: There are two possible answers depending on how you interpret the set-upto the problem. If each bacterium in the culture doubles once every half-hour on thehalf-hour, then each one will double after exactly 30 minutes, and then not again until60 minutes have passed. In that case, there will be500 · 2 = 10004bacteria after 40 minutes.On the other hand, if each bacterium doubles exactly once per half-hour, but at somerandom time within that half-hour, then it makes sense to think of the populationfunction P(t) = 500 · 22t as continuous. In that case, since 40 minutes is4060=23of an hour, the population will be500 · 2223 = 500 · 243 ≈ 1259after 40 minutes.

What value does the 9 represent in the number 53.89?

Maria bought bought 1 2/5 pounds of lunch meat for $3.36.How much would 2 3/4 pounds of lunch meat cost?Enter your answer in the box.$_______