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Umnica [9.8K]
3 years ago
7

If AC = 18 and CD = 5, AD = [?] 8 Enter

Mathematics
1 answer:
sashaice [31]3 years ago
5 0
Hello! It’s simply 13, you just subtract 18 by 5 and get 13
-valentina|3
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4 people can trim a hedge in one hour.
Pani-rosa [81]
4 people in 60 minutes =
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3 years ago
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A jar contains n nickels and d dimes. There is a total of 253 coins in the jar. The value of the coins is $15.95. How many nicke
defon

There are 187 nickels and 66 dimes in the jar.

Step-by-step explanation:

Given,

Total coins = 253

Value of coins = $15.95 = 15.95*100 = 1595 cents

Value of each nickel = 5 cents

Value of each dime = 10 cents

According to given statement;

x+y=253     Eqn 1

5x+10y=1595     Eqn 2

Multiplying Eqn 1 by 5

5(x+y=253)\\5x+5y=1265\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(5x+10y)-(5x+5y)=1595-1265\\5x+10y-5x-5y=330\\5y=330

Dividing both sides by 5

\frac{5y}{5}=\frac{330}{5}\\y=66

Putting y=66 in Eqn 1

x+66=253\\x=253-66\\x=187

There are 187 nickels and 66 dimes in the jar.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/12905000
  • brainly.com/question/12918501

#LearnwithBrainly

5 0
3 years ago
What is negative 2 times nine
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-18 because a negative number times positive is  negative.
~JZ
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3 years ago
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Suppose 80% of people enjoy swimming. Suppose 70% of people enjoy running.
Ede4ka [16]

Answer:

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Step-by-step explanation:

In this case we can apply a formula that tells us that:  

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3 years ago
How can yo do 9087 divided by 12
vodka [1.7K]
Answer

9087 divide by 12
=752.25
3 0
3 years ago
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