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Bogdan [553]
2 years ago
7

Indicate in standard form the equation of the line passing through the given point and having the given slope. R(4, 0), m = 5

Mathematics
1 answer:
daser333 [38]2 years ago
7 0
Hello,

If R(4,0) is the given point and m=5 the slope,

y-0=5(x-4)==>y=5x-20 is the reduced form
and 5x-y-20=0 is the standard form

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Three of the angles of a quadrilateral  are 90 , 156  and 28 . what is the size of the 4th angle?
anyanavicka [17]
The sum of the sides of a quadrilateral is equal to 360º.
x= 4th angle measurement 

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90+156+28+x=360
x=360-90-156-28
x=86

Answer: the size of the 4th angle would be 86º. 
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3 years ago
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What is the value of x? sin49°=cosx
olasank [31]
Sin+cos=90
49+cos=90
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Nandini makes 'halwa' one evening and divides it into four equal portions for her family of four. However, just as they are abou
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Answer:

5%

Step-by-step explanation:

Total 'halwa' made = 1

Divided into four equal portion = 1/4

Arrival of an unexpected guest = 1/5

By what percentage has each family member's share been reduced:

Change in the sharing proportion:

Previous share ratio - new sharing ratio

(1/4 - 1/5) = (5 - 4) / 20 = 1/20

That means total reduction in the sharing = 1/ 20

Since each member comes contributed equally:

Reduction in each family member's share ;

(1 / 20) ÷ 4

(1 / 20) * 1/4 = 1/ 80

Percentage reduction:

(Reduction / original share) * 100%

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Reduction in each family members share = 5%

3 0
3 years ago
If 3 times a square of an integer is added to 1 times the integer, the result is 2
jarptica [38.1K]
Let unknown integer be n.

So then your sentence would translate to 3n² + n = 2.

If you need to solve for n then we can move 2 to left side by subtract both sides by 2:

3n² + n - 2 = 0

Now you can factor:

3n² + 3n -2n - 2 = 0

3n( n + 1 ) - 2( n + 1 ) = 0

( 3n - 2 )( n + 1 ) = 0

3n - 2 = 0   OR   n + 1 = 0

3n = 2   OR   n = -1

n = 2/3   OR   n = -1


Final answer: n = 2/3   OR   n = -1
6 0
3 years ago
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slavikrds [6]
Complementary angles add up to 90 degrees
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7/15 * 90 = 630/15 = 42 <== one angle is 42 degrees
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3 years ago
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