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Tresset [83]
3 years ago
5

The lines below are perpendicular. If the green line has a slope of -2/3, what is the slope of the red line? Enter your answer a

s an integer or a fraction in lowest terms.

Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0
Let the red line be x
_2 by 3 _ x
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87°
Tresset [83]
B.59
Explanation: the interior angles of a triangle equal 180.
5 0
3 years ago
The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
( -8.7 ) • ( -10 ) = ?
Ber [7]

Answer:

87

Step-by-step explanation:

A negative times a negative always equals a positive, and 10 times anything is just moving the decimal point to the right once, so 8.7 becomes 87.0

6 0
3 years ago
The booment of a circle of reelius
Snowcat [4.5K]

characters ndnsjshsidhejsbsbshse

8 0
3 years ago
Help me ASAP<br> Simplify. <br> 7 – 2 • 5 + 9 • 3<br> A.24<br> B.102<br> C.-30<br> B.18
nadya68 [22]
7 – 2 • 5 + 9 • 3
A.24
8 0
3 years ago
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