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Sedaia [141]
3 years ago
9

Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!!

Mathematics
1 answer:
KatRina [158]3 years ago
8 0

Answer:

2a^2\sqrt{35a}

Step-by-step explanation:

\sqrt{2a} .\sqrt{14a^3} .\sqrt{5a} \\=\sqrt{2a\times 14a^3\times 5a}\\=\sqrt{140a^5}\\=2a^2\sqrt{35a}\\

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Which of the following points could be the initial point of vector v if it has a magnitude of 10 an the terminal point (-1,5)?
Eddi Din [679]
Let the initial point of the vector be (x,y). Then the magnitude of the vector v can be written as:

|v|= \sqrt{ (-1-x)^{2} + (5-y)^{2} }

The magnitude of vecor v is given to be 10. So we can write:

10= \sqrt{ (-1-x)^{2} + (5-y)^{2} } \\ \\ 100=(-1-x)^{2} + (5-y)^{2}

Now from the given options, we have to check which one satisfies the above equation. That point will be the initial point of the vector. 

The point in option d, satisfies the equation.

100=(-1+7)^{2} +(5+3)^{2}  \\  \\ 
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7 0
3 years ago
A 180 pound weight is supported by two ropes each at 30 degrees, as shown in the figure. Find the tension in each rope.
Anit [1.1K]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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What is the radius of a sphere with the volume of 113.04 in.³
Nimfa-mama [501]
3 is the answer! Have a nice day!
7 0
3 years ago
Can you help me? <br> y= x + 7
I am Lyosha [343]

Answer:

your slope is 1/1 and your y-intercept is 7. you have to plot this on a graph.

Step-by-step explanation:

6 0
3 years ago
A customer desires to mix her own concrete. The clerk knows that the ratio of cement to sand to gravel is 1:3:4. If the customer
Aleks [24]

Answer:

The quantity of cement use is 125 pounds

The quantity of sand use is 375 pounds

The quantity of gravel use is 500 pounds

Step-by-step explanation:

Given as :

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So , The quantity of cement required = 1 × 125 pounds = 125 pounds

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Hence The quantity of cement use is 125 pounds

The quantity of sand use is 375 pounds

The quantity of gravel use is 500 pounds

Answer

8 0
3 years ago
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