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crimeas [40]
3 years ago
12

The speed limit on 1-35 is 80 miles per hour. How far can Mrs.Mindy drive in 2 1/2 hours?

Mathematics
1 answer:
Mars2501 [29]3 years ago
8 0
The answer to this is C
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I dont understand this question, i did the factor of 36x^2 - 49 but I dont understand the second part
Nadya [2.5K]

Answer:

a = 6

b = 7

Step-by-step explanation:

Since both 36 and 49 are perfect squares, you can find their square roots which are 6 and 7.

To check to see if it is correct, replace the a with 6 and replace the b with 7, then evaluate the exponents.

8 0
2 years ago
Can someone please helpp.
nika2105 [10]
1. Over a period of 6 years (from 1980 to 1986) the house gained a value of 12000 dollars (109k-97k). 12000/6 gives you a rate of 2000 dollars per year. Because the initial price at t=0 is 97000, the function is 97000+2000t
6 0
2 years ago
In the given figure, ABCD is a parallelogram
Arturiano [62]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Explain why percents are rational numbers.
levacccp [35]
<span>Yes since percents can be decimals and these decimals can be illustrated as fractions hence, vice-versa.

80%= 0.8 = 4/5

A rational number is any number or numerical value which can be possibly stated in a fraction form of numbers, it basically has a numerator and denominator. Furthermore, the values of the numerator and denominator is integers and doesn’t equal to 0. In this given case of 8 over 5 or 8/5 this fractional number can still be expressed in a standard numerical form with a decimal as 1.6 without repeating decimal values. Unlike irrational numbers which is not possible, take for instance 3.1416… and so on which cannot be “fractionized”.<span>
</span></span>
3 0
3 years ago
$500 is invested at 6%annual interest, compounded quarterly. When will the balance double?
Setler [38]

Answer: 48 quarters or 12 years

Step-by-step explanation:

You can use the Rule of 72 to estimate the amount of time it will take for an investment to double.

It works by dividing 72 by the interest rate per period.

The rate here is 6% but this is an annual rate yet the interest is to be compounded quarterly. You need to convert this annual rate to a quarterly rate:

= 6% / 4

= 1.5% per quarter

The amount of time it will take to double is:

= 72 / 1.5

= 48 quarters

In years that would be:

= 48 / 4

= 12 years

6 0
2 years ago
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