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mars1129 [50]
3 years ago
15

* Use order of operations to solve the following.

Mathematics
2 answers:
fiasKO [112]3 years ago
4 0

Answer:

5

3+5 2×2 -7

8+4-7

12-7

5

^^^^

Bingel [31]3 years ago
3 0
The answer is 100 if that 5 and 2 is separate
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Estimation would give you an answer close to the actual answer so you can see if your answer is reasonable depending on how close the estimate is
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Identify the x-intercept and the y-intercept of the graph of 6x + 15y = −30.
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Answer:

D. x-intercept is -5 and the y-intercept is -2

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2 years ago
What is the solution to the system of equations that contains −3x + y = 3 and 2x − y = −1? no solution (−1, 3) infinite number o
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Answer:

A) −3x + y = 3

B) 2x − y = −1  Adding both equations:

-x = 2

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Step-by-step explanation:

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3 years ago
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A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years. With all else equal, what is th
irga5000 [103]

Answer:

The future value of this initial investment after the six year period is $2611.6552

Step-by-step explanation:

Consider the provided information.

A student desired to invest $1,540 into an investment at 9% compounded semiannually for 6 years.

Future value of an investment: FV=P(1+r)^n

Where Fv is the future value, p is the present value, r is the rate and n is the number of compounding periods.

9% compounded semiannually for 6 years.

Therefore, the value of r is: r=\frac{0.09}{2}=0.045

Number of periods are: 2 × 6 = 12

Now substitute the respective values in the above formula.

FV=1540(1+0.045)^{12}

FV=1540(1.045)^{12}

FV=1540(1.69588)

FV=2611.6552

Hence, the future value of this initial investment after the six year period is $2611.6552

6 0
3 years ago
The fastest train on earth is Maglev, a Japanese train which runs at a
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Answer:

167.2 m/sec

Step-by-step explanation:

Convert 602 km/hr to m/sec, as follows:

602 km       1000 m

------------ * ----------------- = 602,000 m/hr

    hr               1 km

Recall that 1 hr = 3600 sec.  Convert 602,000 m/hr to m/sec:

602,000 m          1 hr

------------------ * ---------------- = 167.2 m/sec

     1 hr              3600 sec

5 0
2 years ago
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