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3 years ago

Write and solve an equation for each problem situation. Define the variable

Mathematics

1 answer:

Simora [160]3 years ago

8 0

Answer:

His weekly allowance is $5.50.

Step-by-step explanation:

12.03 - 6.53 = $5.50

I'm not 100% sure this is accurate. Good Luck!

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38+-72 Please help on this

AysviL [449]

38 + -72 = ?
? = -34

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3 years ago

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14.976 divided by 6 with remainder

PIT_PIT [208]

Answer:

Step-by-step explanation:

it's divided evenly with no remainder

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3 years ago

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What is the solution of the system of equations shown in the graph below?

Wittaler [7]

Answer:

The point on the plane (4, 2)

That is x = 4 and y = 2

Step-by-step explanation:

Look for the point where the two lines given by the system of linear equations intersect. That point is (4, 2)

x = 4 and y = 2

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3 years ago

What is a decomposition reaction?

yaroslaw [1]

Answer:

11-6√3 = a -b√3

where a=11 and b =6

Step-by-step explanation:

Step(i):-

Given

$\frac{5+2\sqrt{3} }{7+4\sqrt{3} }$

Rationalize

= $\frac{5+2\sqrt{3} }{7+4\sqrt{3} } X \frac{7-4\sqrt{3} }{7-4\sqrt{3} }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{7^{2} -(4\sqrt{3})^{2} }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{49-16(3) }$

= $\frac{(5+2\sqrt{3})(7-4\sqrt{3} ) }{1 }$

Step(ii):-

Multiply

${(5+2\sqrt{3})(7-4\sqrt{3} ) }$

= 5 × 7 - 5×4√3 + 2√3 ×7 - 2√3 × 4√3

= 35 -20√3+ 14√3-8×3

= 35 - 6√3 -24

= 11-6√3

6 0

3 years ago

Can you guys help with this one please, thanks

densk [106]

5^6 (5 to the 6th power)

7 0

3 years ago