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Leno4ka [110]
3 years ago
14

Write an equation in point-slope form for the line that passes through the point with the given slope.

Mathematics
1 answer:
Helen [10]3 years ago
7 0

Answer:

y+3=-1(x+6)

Step-by-step explanation:

point slope form:

y-y₁=m(x-x₁)

y-(-3)=-1(x-(-6)

y+3=-1(x+6)

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Question 13
Mrac [35]

Answer:

71.6 degrees

Step-by-step explanation:

Given the vectors

u= <8,4> v = <9.-9> (5 points)

u*v = (8, 4)*(9, -9)

u*v = 8(9)+(4)(-9)

u*v = 72 - 36

u*v = 36

|u| = √8²+4²

|u| = √64+16

|u| = √80

|v| = √9²+9²

|v|  = √81+81

|v|  = √162

Using the formula

u*v = ||u||v| cos theta

36 = √80(√162)cos theta

36 = √12960 cos theta

cos theta = 36/√12960

cos theta = 36/113.8

cos theta = 0.3162

theta = arccos(0.3162)

theta = 71.56 degrees

Hence the angle between the given vectors to the nearest tenth of a

degree is 71.6 degrees

5 0
2 years ago
A delivery truck is transporting boxes of two sizes: large and small. the combined weight of a large box and a small box is 60 p
sdas [7]

Let a = weight of large box in pounds

Let b = weight of small box in pounds

(1) 65a + 70b=4000

(2) a+b=60

Now we can simultaneously solve these equations.

a = 60 - b. Hence 65(60 - b) + 70b = 4000 So 3900 + 5b = 4000 and 100 = 5b hence b = 20.

SImilarly a = 40. Now we can verify too by putting in the calculated values.

5 0
4 years ago
Besides 18 and 1, what is one factor of 18?
Andreyy89

Answer:

6, 2

Step-by-step explanation:

8 0
3 years ago
Helppppp<br> Solve for x.<br> X= [?]<br><br> 5х – 5/2x + 10
lesya692 [45]

Answer:

if you want to find how many degree for x

Step-by-step explanation:

you must collect all degree and completing 180 degree for this, (5x-5)+(2x+10)=180 7x=175 x=10,12

6 0
3 years ago
Read 2 more answers
Find the LCM of 20, 35 &amp; 50.
Ivanshal [37]

Answer:

Answer: LCM of 20,35 and 50 is 1400

Step-by-step explanation:

5 0
2 years ago
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