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3 years ago

5

carter has a collection of 37 coins found while walking home. All of Carter coins are either nickels or dimes. The value of the

coins is $3.10. How many dimes does carter have?

1 answer:

LenKa [72]3 years ago

3 0

Answer:

11.9

Step-by-step explanation:

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Solving Rational equations. LCD method. Show work. Image attached.

Ugo [173]

Answer:

$k=\frac{1}{2}$

Step-by-step explanation:

The given rational equation is

$\frac{5k}{k+2}+\frac{2}{k}=5$

The Least Common Denominator is

$k(k+2)$

Multiply each term by the LCD.

$k(k+2)\times \frac{5k}{k+2}+k(k+2)\times \frac{2}{k}=5k(k+2)$

Simplify;

$k\times \frac{5k}{1}+(k+2)\times \frac{2}{1}=5k(k+2)$

$\Rightarrow k(5k)+2(k+2)=5k(k+2)$

Expand;

$\Rightarrow 5k^2+2k+4=5k^2+10k$

Group similar terms;

$\Rightarrow 5k^2-5k^2+2k-10k=-4$

$\Rightarrow -8k=-4$

Divide by -8.

$k=\frac{1}{2}$

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2 years ago

Kent mixed oil and gas for his lawn mower. He mixed 8 fluid ounces of oil for every 1 gallon of gas. Which of the following stat

Reil [10]

Answer:

Step-by-step explanation:

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3 years ago

Which property justifies the step shown in solving this equation -y-5=11

bulgar [2K]

Answer:

y-5=11

y-5+5=11+5 (Add 5 to both sides)

y=16 (Simplify)

I believe that y=16 cannot be simplified so y=16 should be the answer let me know if it helped.

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2 years ago

Calculate the length of the circumference of a circle with diameter of 10.4

Kitty [74]

To work out the Circumference of a circle, we must o the calculation
πd
π x d
If we fill in the information we know
π x 10.4
3.14 x 10.4 (to 2 d.p.)
↓
32.656 (units)

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2 years ago

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What lengths of two sides of a triangle are seven and 11. Which could not be the length of the third side?

Finger [1]

You’re answer it would be D.5 because it is the smaller than the other sides

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2 years ago