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3 years ago

6

The value of coin A is twice the value of coin B. Together, the total value of the two coins is $27.00 What is the value of each

coin ?

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

Answer:

27÷2=$13.50

Step-by-step explanation:

Easy

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Solve for x. x + 7 -3 = 1<br><br><br> i need help

MA_775_DIABLO [31]

X+7-3=1 X+4=1 -4 -4 X=-3 Copy exactly how you see it

8 0

3 years ago

Which equation shows 6(x + 4) = 2( y + 5) solved for y? A. y = x + 3 B. y = 3x + 5 C. y = 3x + 7 D. y = 3x + 17

UNO [17]

Answer:

C

Step-by-step explanation:

Given

6(x + 4) = 2(y + 5) ← distribute parenthesis on both sides of the equation

6x + 24 = 2y + 10 ( subtract 10 from both sides )

6x + 14 = 2y ( divide all terms by 2 )

3x + 7 = y, hence

y = 3x + 7 → C

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3 years ago

756 divided by 36 <br> plz need help

Alenkasestr [34]

Answer:

21

Step-by-step explanation:

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3 years ago

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3x + 5 = 2x + 8 =<br> help me plz

Luden [163]

Answer:

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Step-by-step explanation:

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3 years ago

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solve for x and y ,32base x+51base y and 23base x +42 base y =710. ,number bases interms of simultaneous equation

In-s [12.5K]

Answer:

<h2> $x = -348.5, y = 350.5$ </h2>

Step-by-step explanation:

32base x means $3x + 2$

Similarly, 32base x+51base y equals to $3x + 2 + 5y + 1 = 3x + 5y + 3$

and 23base x +42 base y means $2x + 3 + 4y + 2 = 2x + 4y + 5$

As per the given condition, $3x + 5y + 3 = 2x + 4y + 5\\x + y = 2$

Putting, $y = 2 - x$ in $2x + 4y + 5 = 710$ , we get

$2x + 4y = 705\\2x + 4(2 - x) = 705\\8 - 2x = 705\\4 - x = 352.5\\x = -348.5$

$y = 2 - x = 2 - (-348.5) = 2 + 348.5 = 350.5$

6 0

3 years ago