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zaharov [31]
3 years ago
13

Simplify: -3(y+2)^2-5+6y what is the simplified product in standard form

Mathematics
2 answers:
oee [108]3 years ago
7 0

Answer:

Step-by-step explanation:

Perform the indicated multiplication (squaring):

-3(y^2 + 4y + 4) - 5 + 6y

Continuing with the multiplication:

-3y^2 - 12y - 12 - 5 + 6y

Combiing the y terms in descending order by powers of y:

-3y^2 - 6y - 17

swat323 years ago
3 0

Answer: The answer is -3y^2 + -6y + -17.

i just did the assignment and got it right

hope this helps :)

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Please please help!!!
Rashid [163]

Answer:

  1/2

Step-by-step explanation:

cos(θ) = √(1 -sin(θ)²) = √(1 -3/4) = √(1/4)

cos(θ) = 1/2

3 0
3 years ago
line k has a slop of -5. Line J is perpendicular to line K and passes through the point (5,9). Create the equation for line j.
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Answer:

The equation of the line would be y = 1/5x + 8

Step-by-step explanation:

Since the slope of k is -5, the slope of j has to be 1/5. This is because perpendicular lines have opposite and reciprocal slopes.

Now we can use the slope and the point in point-slope form to get the equation.

y - y1 = m(x - x1)

y - 9 = 1/5(x - 5)

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Which model shows 10%​
Nutka1998 [239]

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2 years ago
Read 2 more answers
Simplify <br> a)3/7×28/15÷14/5<br> b)7/8+1/16-1/12
netineya [11]

Answer:

a)2/7

b)41/48

<em />

<em>Step-by-step explanation:</em>

<u>-Question A-</u>

1) Rephrase the problem to look like this:

3/7*28/15*5/14 <-- when dividing fractions you actually multiply by the reciprocal (opposite)

2) Multiply across the above phrase:

420/1470

3) Simplify your fraction:

2/7

There is nothing else to be done with 2/7 and thus it is your final answer.

<u></u>

<u>-Question B-</u>

1) Get the denominator of all 3 fractions to the same Least Common Denominator (48):

42/48 + 3/48 - 4/48

2) Do the arithmetic in the phrase above:

41/48

41/48 cannot be simplified and thus is your final answer

5 0
3 years ago
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