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2 years ago

12

the line below are parallel. If green line has a slope of 2/5 what is the slope of the red line? enter your answer as an integer

or fraction in lowest terms

1 answer:

ki77a [65]2 years ago

6 0

Answer:

if they are parallel it would almost be opposite but they would be negative instead of positive

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Find the length of the chord made by 3x2 - y2 = 3 and y + x – 5 = 0.

MArishka [77]

Answer:

The correct answer is "9√2 units".

Step-by-step explanation:

The given equations are:

⇒ $3x^2-y^2=3$ ...(equation 1)

⇒ $y+x-5=0$ ...(equation 2)

According to the 2nd equation, we get

⇒ $y+x-5=0$

⇒ $y=5-x$

On substituting the value of "y" in the 1st equation, we get

⇒ $3x^2-y^2=3$

$3x^2-(5-x)^2=3$

$3x^2-(25+x^2-10x)=3$

$2x^2+10x-28=0$

On taking common, we get

$x^2+5x-14=0$

On applying factorization, we get

$x^2+7x-2x-14=0$

$x(x+7)-2(x+7)=0$

$(x+7)(x-2)=0$

$x+7=0$

$x=-7$

or,

$x-2=0$

$x=2$

Now,

The points are:

(-7, 12) = (x₁, y₁)

(2, 3) = (x₂, y₂)

By using the distance formula, the length of chord will be:

= $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

On substituting the values in the above formula, we get

= $\sqrt{(2-(-7))^2+(3-12)^2}$

= $\sqrt{(9)^2+(-9)^2}$

= $\sqrt{81+81}$

= $9 \sqrt{2}$ units

8 0

3 years ago

If corresponding angles are on parallel lines, then their measure is the same _____.

weqwewe [10]

Step-by-step explanation:

always .

plz mark my answer as brainlist.hope this will be helpful to you

6 0

2 years ago

Read 2 more answers

5.607 is what percent of 89 step by step

MrMuchimi

Answer:

6.3%

Step-by-step explanation:

so 5.607 = x% * 89

to find the percent u need to divide : 5.607/89 which is : 0.063

to convert 0.063 to a percent multiply 0.063 by 100 = 6.3%

check :

6.3% *89 = 5.607

4 0

3 years ago

Determine the number of terms in each algebraic expression (6a+9)-7b

Vesnalui [34]

Answer:

3

Step-by-step explanation:

(6a+9)-7b

There are 3 terms

3 0

3 years ago

Read 2 more answers

two groups of friends are sharing apples of the same size. The first group of 3 friends share 4 apples. The second group of 4 fr

nikdorinn [45]

Answer:

The second group

Step-by-step explanation:

The first group is 4 apples for 3 friends.

= 4/3. They each got 1 & 1/3 of an apple.

The second group is 6 apples for 4 friends.

= 6/4. They each got 1 & 1/2 of an apple.

1 1/3 < 1 1/2, so friends in the second group get a larger portion of apples

3 0

3 years ago