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3 years ago

Greg has 5 coins in his pocket. The value of all 5 coins is $0.57m which coins does he have in jis pocket

Mathematics

2 answers:

Alisiya [41]3 years ago

8 0

C 2 quarters 25 + 1 nickel 5 + 2 pennies = 0.57

Step2247 [10]3 years ago

4 0

Test all answer choices:
A) 0.25+0.20+0.02 = 0.47 - incorrect
B) 0.75+0.02 = 0.77 - incorrect
C) 0.50+0.05+0.02 = 0.57 correct
D) 0.50+0.10+0.02 = 0.62 incorrect

The correct answer is C.

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3 years ago

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3 years ago

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$\huge{\green}\fcolorbox{blue}{cyan}{\bf{\underline{\red{\color{red}Answer}}}}$

To find :-

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Here 2 angles are given

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Solution :-

We can see here the 2 lines intersect each other.

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2 years ago

Jake had a piggy bank dipped with nickels quarters and dimes. He noted that he had three times as many dimes as quarters and fou

prohojiy [21]

Answer:

There are 72 dimes having a total value of $7.2.

Step-by-step explanation:

Let the number of dimes be 'd', nickels be 'n' and quarters be 'q'.

Given:

Number of dimes is three times quarters

Number of nickels is four less than twice the number of dimes.

Total amount in the piggy bank is $20.20

Now, as per question:

Number of dimes is three times quarters

Framing in equation form, we get:

$d=3\times q\\d=3q\\q=\frac{d}{3}---1$

Number of nickels is four less than twice the number of dimes.

Framing in equation form, we get:

$n=2d-4----2$

Now, value of 1 dime in dollars is 0.1.

Value 'd' dimes = $0.1d ----------(A)

Value of 1 quarter = $0.25

Value of 'q' quarters = $0.25q ----------(B)

Value of 1 nickel = $0.05

Value of 'n' nickels = $0.05n ----------(C)

Now, total amount is equal to the sum of all the amounts of each type of coin.

So, adding equations (A), (B) and (C) and equating to 20.20, we get:

$0.1d+0.25q+0.05n=20.20$

Now, using equations (1) and (2), the above equation can be rewritten as:

$0.1d+0.25(\frac{d}{3})+0.05(2d-4)=20.20\\\\0.1d+\frac{d}{12}+0.1d-0.2=20.20\\\\d(0.1+0.1+\frac{1}{12})=20.20+0.2\\\\0.2833d=20.40\\\\d=\frac{20.40}{0.2833}=72$

So, there are 72 dimes in the piggy bank.

Total value of 72 dimes = 72(0.1) = $7.2

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3 years ago

Please help with math.brainliest answer with best answer

AlexFokin [52]

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4 years ago