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BlackZzzverrR [31]
3 years ago
12

Keisha has a total of 90 coins all of which are either dimes or quarters the total value of the coins is $13.50 find the number

of each type of coin​
Mathematics
1 answer:
OLga [1]3 years ago
5 0
1 dime and 14 quarters
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the area of rhode island is approximately 1200 square miles, and its population is approximately 1 million people. What is the b
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Step-by-step explanation:

The best estimate for the population density for Rhode Island is 1,083 people. I found this by dividing 1,300,000 by 1200.

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CAN SOMEONE HELP MEEEEE
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Please help!! <br> What is the solution to 2x^2+x+2=0?
Aliun [14]

Answer:

your 3rd option

Step-by-step explanation:

\frac{-1+/-\sqrt{1-4(2)(2} )}{2(2)}

{\frac{-1+/-\sqrt{1-16} }{4}}

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{\frac{-1+/-i\sqrt{15} }{4}}

8 0
2 years ago
How would the expression x^2-4 be rewritten using Difference of Squares?
Anna [14]
<span>a2 – b2 = (a + b)(a – b) or (a – b)(a + b).
This is the 'Difference of Squares' formula we can use to factor the expression.

In order to use the </span><span>'Difference of Squares' formula to factor a binomial, the binomial must contain two perfect squares that are separated by a subtraction symbol.

</span><span>x^2 - 4 fits this, because x^2 and 4 are both perfect squares, and they are separated by a subtraction symbol.
All you do here to factor, is take the square root of each term.

√x^2 = x
√4 = 2

Now that we have our square roots, x and 2, we substitute these numbers into the form (a + b)(a - b).
</span>
<span>(a + b)(a - b)
(x + 2)(x - 2)

Our answer is final </span><span>(x + 2)(x - 2), which can also be written as (x - 2)(x + 2), it doesn't make a difference which order you put it in.

Anyway, Hope this helps!!
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3 0
2 years ago
Limone's Lemonade Corp. has a savings plan for its employees. If an employee makes an initial contribution of $1,000.00, the com
Assoli18 [71]

Answer: I don't know

Step-by-step explanation:The annual interest rate is 5%, and the interest accrues at a compounding rate for five years. To calculate the monthly interest, simply divide the annual interest rate by 12 months. The resulting monthly interest rate is 0.417%

7 0
2 years ago
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