An online store sells DVDs for $10 each. The shipping charge for an entire order is $5.50. Frank orders d DVDs. Write an expression that represents he total cost of Frank's DVDs.
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Expression: 10d+5.50
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Answer:
200 is 10 times as much as 20
Step-by-step explanation:
Let the number be y
as per the condition 200 is 10 times as much as y.
Solve for y:
10 times as much as x represents as
Then;
200 = 10y ......[1]
Division property of equality states that you divide the same number to both sides of an equation.
Divide by 10 to both sides in equation [1];
Simplify:
y= 20
Therefore, 200 is 10 times as much as 20.
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Also, just a bit of extra information! The decimal of 1/3 is 0.33(recurring)
Rachel :)
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Answer:
13.4 dollars
Step-by-step explanation:
The final amount is given by:
F=I(1+rt)
Where
I= initial amount
r= interest rate
t= time interval
F= final amount
Now in our case
r= 1.2
t= 7
F= $126
Therefore I=F/(1+rt) = 126/(1+1.2*7) = 13.4 dollars.
Final answer:
To find out how much Kelly deposited when she opened the account, we can use the formula for simple interest. We are given that the interest earned is $126 and the interest rate is 1.2% per year. After assigning a variable to represent the principal, we can solve the equation to find the amount Kelly deposited.
Explanation:
To find out how much Kelly deposited when she opened the account, we can use the formula for simple interest:
Interest = Principal × Rate × Time
We are given that the interest earned is $126 and the interest rate is 1.2% (or 0.012 as a decimal) per year. We also know that Kelly kept the money in the account for 7 years. Let's assign a variable, P, to represent the principal:
$126 = P × 0.012 × 7
To solve for P, we can divide both sides of the equation by 0.012 × 7:
P = $126 / (0.012 × 7)
Calculating this expression gives us the value of P, which is the amount Kelly deposited when she opened the account.
Learn more about Simple interest here:
#SPJ11
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Answer: Well although -55 does have double digits it is farther away from zero and on the negative scale the number closest to 0 is the biggest so -5 would be greater
Step-by-step explanation:
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either change inches to yards, or yards to inches.
1 yard is 36 inches, so
3 yards = 3 × 36 = 108 in
100 in < 108 in
3 yards is greater.