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3 years ago

* Use order of operations to solve the following.

Mathematics

2 answers:

fiasKO [112]3 years ago

4 0

Answer:

3+5 2×2 -7

8+4-7

12-7

^^^^

Bingel [31]3 years ago

3 0

The answer is 100 if that 5 and 2 is separate

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C) How could you use estimation to determine if your answer is reasonable? Explain.

Sliva [168]

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

8 0

2 years ago

Identify the x-intercept and the y-intercept of the graph of 6x + 15y = −30.

Hunter-Best [27]

Answer:

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

5 0

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

Paraphin [41]

Answer:

A) −3x + y = 3

B) 2x − y = −1 Adding both equations:

-x = 2

x = -2 y = -3

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

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

CaHeK987 [17]

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