MATHEMATICS MIDDLE SCHOOL

13)A coin is tossed three times, with 'heads' or 'tails' recorded after each toss. The number of possible outcomes for this experiment is

Answers

Answer 1
Answer: 1/8 (12.5%) i think
Answer 2
Answer:

ttt,tht,tth,htt,thh,hht,hhh,hth

8 possible outcomes

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the gas tax in our town is 23 cents per gallon . if you buy 20 gallons of gas , how much tax do you pay?​

Answers

Answer:

$4.60

Step-by-step explanation:

To find the amount of tax, multiply the number of gallons by the tax per gallon.

20*.23 = $4.60

Sue asked a total of 35 points in two games. She scored 6 times as many points in the second game as in the first how many more points did she score in the second

Answers

210 because 35 times 6 is 210 because if you break it apart 5 time 6 =30 bring the 3 times 6 is 18 add 3 from the 30 and you will get 21 and then add 0 to the end of 21 and you will get 210

Write the percent as a fraction or mixed number in simplest form. Show all work

Answers

whenever you see percent with numbers than remember that you have to divide it by 100 so let's go

45%=45/100=9/20
cuz 45/100=0.45  so what fraction give you number  like if you divide 9/20=0.45
34%=34/100
=0.34
in fraction it is 17/50
8%=8/10=0.08 <<< 2/25
90%=90/100=0.9  <<<9/10
79%= 79/100=0.79<< 79/100
224%=224/100=2.24<< 2 6/25

I Hoped i help 

How do you make 250% into. A fraction

Answers

percent is over a 100 so its 250/100
Step 1: Write down the percent divided by 100.Step 2: If the percent is not a whole number, then multiply both top and bottom by 10 for every number after the decimal point. (For example, if there is one number after the decimal, then use 10, if there are two then use 100)Step 3:Simplify (or reduce) the fraction

Jill earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week. She worked 52 hours this week and earned $638. What is her normal hourly rate?

Answers

let the  normal hourly rate be x
so normal wages = 40x
bonus = 1.5x(52-40) = 18x
total = 40x+18x =58x = $638.
x = $11/hour
52/636
    635
      100
        52
         480
         480
Answer:67.1816

a meter stick casts a shadow 1.4 m long at the same time a flagpole casts a shadow 7.7 m long. The triangle formed by the meterstick and its shadow is similar to the triangle formed by the flagpole and its shadow. How tall is the flaglole?

Answers

Answer:

5.5 m

Step-by-step explanation:

Let x be the length of flagpole.

Length of stick=1 m

Length of shadow of stick=1.4 m

Length of shadow of flagpole=7.7 m

According to question

When triangles are similar then their ratio of corresponding sides are equal.

(1)/(1.4)=(x)/(7.7)

x=(7.7)/(1.4)

x=(77)/(14)

x=(11)/(2)=5.5

Hence, the length of flagpole=5.5 m
So a meter stick is just one meter right? Everything else is measured in meters as well. The meter stick's shadow, the flagpole's shadow, they are all in meters. I don't know if they've taught you how to solve for x or not but you are pretty much solving for x. The flagpole, (the measure that you are trying to find) is the x. 
So your problem kind of looks like this:
1/1.4=x/7.7 
Again, I don't know if this will help or not but if it does, than yippie! :)
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