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dsp73
4 years ago
11

Simplify completely: 2 square root -45

Mathematics
1 answer:
iogann1982 [59]4 years ago
6 0

Answer:

Step-by-step explanation:

if 2\sqrt\\ -45  = 6i\sqrt 5

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if you divide a positive number by 12, the answer would be less than the original number? always, sometimes, or never​
elena55 [62]

Answer:

Always

Step-by-step explanation:

The rules for positive numbers is that addition and multiplication makes numbers larger. Subtraction and division makes numbers smaller.

Since 12 is a positive number, the result of dividing a positive number by 12 will make it smaller.

8 0
4 years ago
A scientist creates a colony of bacteria in a dish. This type of
ryzh [129]

Answer: 9:14

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6 0
3 years ago
Pls help i dont know
GenaCL600 [577]

ok, so, it's 12 ft by 17 ft but, because we want to leave a one foot space around the room, we should subtract 1 from each of the mesurments and then multiply those numbers

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4 years ago
Question 7 Not yet answered Points out of 1.00
givi [52]
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3 0
3 years ago
To the nearest tenth, what is the distance between the points (1, –2, 5) and (0, 7, –4)?
Eduardwww [97]

Answer:

The distance is 12.8\ units

Step-by-step explanation:

we know that

The formula to calculate the distance between two points is equal to

d=\sqrt{(x2-x1)^{2}+(y2-y1)^{2}+(z2-z1)^{2}}

we have

A(1,-2,5)\\B(0,7,-4)  

substitute the values

d=\sqrt{(0-1)^{2}+(7+2)^{2}+(-4-5)^{2}}

d=\sqrt{(-1)^{2}+(9)^{2}+(-9)^{2}}

d=\sqrt{1+81+81}

d=\sqrt{163}\ units

d=12.8\ units

8 0
3 years ago
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