Can anyone help me solve these questions, please

Mathematics

1 answer:

Travka [436]2 years ago

4 0

Step-by-step explanation:

8.√128/√2

ans √64

10.3√81

3√3*3*3*3(find factor)

3 √3(this is cube root therefore we kept one out of three then we kept remaining inside of root.this is surds because one factor is inside the surds if factor is not remaining inside the surds then this is not surds)

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Use pascal's triangle to expand the binomial (d-5y)^6 please show work

Ratling [72]

Pascals triangle to the 6th:
1 x^0
1 1 x^1
1 2 1 x^2
1 3 3 1 x^3
1 4 6 4 1 x^4
1 5 10 10 5 1 x^5
1 6 15 20 15 6 1 x^6

the problem is to the 6th power so your going to use the 6th row of pascals triangle (don't count the first row). these numbers represent the coefficients of the variables

1(d-5y)^6 + 6(d-5y)^5 + 15(d-5y)^4 + 20(d-5y)^3 + 15(d-5y)^2 + 6(d-5y) + 1
then simplify

4 0

3 years ago

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HELP HELP HELP LLEASE!!!!

Luda [366]

Answer:

1/9

Step-by-step explanation:

Only 1 out of the 9 options has the double pepperoni outcome

7 0

3 years ago

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.

$100=(-1+7)^{2} +(5+3)^{2} \\ \\ 
100=36+64 \\ \\ 
100=100$

Thus, the answer to this question is option D

7 0

3 years ago

What's the absolute value of 9.8 and of - 10/3

alekssr [168]

The absolute value of 9.8 is 9.8, and the absolute value of - 10/3 is 10/3
The Absolute value of a number is always positive.

3 0

3 years ago

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What is the slope in y-6=-2 (x-7)

amid [387]

y-6=-2 (x-7)

Start by distributing..

y - 6 = - 2x + 14

Add 6 to both sides...

y = - 2x + 20

Slope of this equation is -2

5 0

4 years ago

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