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svetlana [45]
2 years ago
11

alyssa has 144 coins. of the coins 3/12 are nickels, 8/12 are dimes, and the rest are quarters what is the ratio of Alyssa’s nic

kels to dimes to quarters?
Mathematics
1 answer:
zubka84 [21]2 years ago
5 0
<h3>Answer:</h3>

3:8:1

<h3>step-by-step explanation:</h3>

3/12 x 144= 36

8/12 x 144= 96

96+36= 132

144-132= 12

12/12=1

Therefore, the ratio of Alyssa's nickels to dimes to quarters is 3:8:1

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A rectangular school yard has a perimeter of 294 meters. Its area is 5,162 square meters. What are the dimensions of the school
Feliz [49]

The dimensions of the school yard is 58 m and 89 m.

<h3>What is rectangle ?</h3>

A rectangle is a polygon with four sides , It has opposite sides parallel and equal.

It is given that

A rectangular school yard has a perimeter of 294 meters

Perimeter of a rectangle is given by

P = 2(Length +Breadth)

294 = 2( L+B)

147 = L+B

Area of a rectangle is given by

L*B = 5162

B = 5162/L

L + 5162/L =147

L² -147L +5162 = 0

L² -58L - 89L+5162 = 0

L(L-58) -89(L-58)

L = 58 , 89

The dimensions of the school yard is 58 m and 89 m.

To know more about Rectangle

brainly.com/question/15019502

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5 0
2 years ago
Let eventA= Music and event B = Hatched.
TEA [102]

Answer:

C. 0.981

Step-by-step explanation:

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7 0
3 years ago
Rewrite the following in the form log(c).<br> log(10) – log(5)
Svet_ta [14]

Answer:

log(2)

Step-by-step explanation:

In order to combine log(10) and log(5), you need to look at the sign that's combining them. In this example, it is a subtraction sign. When two logs are being subtracting from each other, it's the same as dividing the two. You would rewrite it like this:

log(10/5)

You would then solve 10/5, and get 2. You would rewrite the log as:

log(2)

3 0
3 years ago
Solve the simultaneous equations <br> 3 x + 2 y = 18 <br> 3 x + y = 12
natulia [17]

Answer:

x=2 , y=6

Step-by-step explanation:

        3 x + 2 y =    18

        3 x +     y =   12

     (-)       (-)         (-)

-------------------------------------------

                     y =    6

                 

3x+6=12

=>3x=12-6

=>3x=6

=>x=6/3

=>x=2

8 0
2 years ago
you deposit $2,000 in an account that earns simple interest. after 6 months the account earns $210 in interest. what is the annu
Luden [163]

Answer:

21%

Step-by-step explanation:

210 is 10.5% of the amount that is for 6 months doubling it will make it 420 that is 21% of the total amount of 2000.

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2 years ago
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