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Katen [24]
3 years ago
6

What does 4/54=x/36 equal

Mathematics
2 answers:
Darya [45]3 years ago
6 0
X= 8/3.................
dalvyx [7]3 years ago
4 0

First reduce the fraction so your equation looks like this:

2/27=x/36

Now cross multiply to simplify

72=27x

Now change sides

27x=72

Now divide both sides by 27

X= 8/3

Now you are left with your answer:

x= 8/3

Hope this helps! :3

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1+ 1/3(n-1)<br> what’s the answer
Vesna [10]

that is your anwser please rate it bad if it's wrong n/3 + 2/3

8 0
3 years ago
You and your friend buy 2 fruit smoothies and leave a tip. You split the total and your half comes to 3.60. What percent tip did
NNADVOKAT [17]
The percent of the tip left is 20% from $3.60
7 0
3 years ago
Phyllis invested $10,500 a portion earning a simple interest rate of 9(1/5)% per year and the rest earning a rate of 9% per year
Alenkinab [10]
Total investment  = $10,500

Let x = amount of first investment, and y the amount of the second investment.

First investment:
Interest rate = 9 (1/5)% = 0.092
Earned interest = 0.092x

Second investment:
Interest rate = 9% = 0.09
Earned interest = 0.09y

Total interest after one year is $957.00, therefore
0.092x + 0.09y = 957       
 or
1.0222x + y = 10633.33   (1)

Also,
x + y = 10500               (2)

Subtract (2) from (1).
0.0222x = 133.33
x = 6000
y = 10500 - x = 4500

Answer:
The first investment is $6,000 at 9 (1/5)% rate;
The second investment is $4,500 at 9% rate.

7 0
3 years ago
A local charity sponsors a 5K race to raise money. It receives $25 per race entry and $5,000 in donations, but it must spend $5
kenny6666 [7]

they receive 25 per entry but 5 goes towards the cost of the race

 so 25-5 = 20 per entry is for the charity

 so 20x + 5000 = 25000

subtract 5000 from each side

20x= 20000

 divide both sides by 20

 x = 20000/ 20  

x = 1000

 they need at least 1000 entries to make 25000

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4 0
3 years ago
How many positive integers less than 100 have at least one digit that is a 9? (Let T be the set of positive integers less than 1
Ymorist [56]

Answer:

19

Step-by-step explanation:

Let T be the set of positive integers less than 100 with a 9 in the ten's place.

T = {90, 91, 92, 93, 94, 95, 96, 97, 98, 99}

n(T) = 10

Let O be the set of positive integers less than 100 with a 9 in the one's place.

O = {9, 19, 29, 39, 49, 59, 69, 79, 89, 99}

n(O) = 10

The common element is 99.

T\cap O={99}

n(T\cap O)=1

The union of both sets is

n(T\cup O)=n(T)+n(O)+n(T\cap O)

n(T\cup O)=10+10-1

n(T\cup O)=19

Therefore, 19 positive integers are less than 100 those have at least one 9.

6 0
4 years ago
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