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3 years ago

If you divide two real numbers the quotient is always a real number

Mathematics

1 answer:

Aliun [14]3 years ago

3 0

True
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Which equation can be used to calculate the surface area of the rectangular prism net shown below?

Bess [88]

Answer:

$SA=\frac{1}{2}(5)(12)+\frac{1}{2}(5)(12)+(5)(10)+(12)(10)+(13)(10)$

Step-by-step explanation:

we know that

The surface area is equal to the area of all the faces of the triangular prism

$SA=\frac{1}{2}(5)(12)+\frac{1}{2}(5)(12)+(5)(10)+(12)(10)+(13)(10)$

simplify

$SA=(5)(12)+(5)(10)+(12)(10)+(13)(10)$

$SA=360\ cm^{2}$

3 0

3 years ago

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What is a number increased by 15 is 38

snow_lady [41]

Answer:

Step-by-step explanation:

Let n be the number

n+15 = 38

Subtract 15 from each side

n+15-15 = 38-15

n =23

The number is 23

5 0

3 years ago

Find the value of x.

Ksju [112]

I don’t know dawg sorry g

5 0

2 years ago

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Round the fraction 7 4/5 to the nearest whole number

Over [174]

Im not sure if you are saying 74/5 or 7 and 4 fifths but in the case you'r saying 74/5 you would first round to see the highest number that 5 can go to without being a decimal. Which would be 70 so you would count how many times 5 can go into 70, which would be 14, so the left over is 4/5 so you would check to see if it can be simplified which it can't so the final answer is 14 and 4/5

3 0

3 years ago

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Water is being sprayed from a nozzle at the end of a garden hose of diameter 2.25 cm. If the nozzle has an opening of diameter 1

Gwar [14]

Answer:

4.67 m/s

Step-by-step explanation:

The equation of continuity for an incompressible fluid is A1v1 = A2v2 where A represents area and v is velocity of the fluid.

If we let the values with subscript 1 be those inside the hose and 2 be those at the nozzle then the question can be solved this way

$A_{1} v_{1} = A_{2} v_{2} \\\\(\pi *0.01125^{2} )*v_{1} = (\pi *0.00065^{2} )*14\\\\v_{1} = 4.67 m/s$

6 0

3 years ago