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Ksenya-84 [330]
3 years ago
8

Please someone help.

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0
1. 950
2. 608
3. 1976
4.2698
5. 1216
IgorLugansk [536]3 years ago
5 0
1. 950
2. 608
3. 1,976
4. 2,698
5. 1,216
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Write an equation in slope-intercept form of the line that bisects the angle formed by BA and BC
slega [8]

Given:

Angled formed by ray BA and ray BC is 90 degrees.

To find:

The equation of line that bisects the angle formed by ray BA and ray BC.

Solution:

If a line bisects the angle formed by ray BA and ray BC, then it must be passes through point B and makes angles of 45 degrees with ray BA and ray BC.

It is possible if the line passes though point B(-1,3) and other point (-2,4).

Equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

y-3=\dfrac{4-3}{-2-(-1)}(x-(-1))

y-3=\dfrac{1}{-1}(x+1)

y-3=-x-1

Add 3 on both sides.

y=-x-1+3

y=-x+2

Therefore, the required equation of line is y=-x+2.

8 0
3 years ago
josh bought followers for nancy. he spent a total of $14.85 and bought 13 flowers. if he knows lilies cost $1.25 and tulips cost
Serjik [45]

Answer:

x = lillies

y = tulips

x + y = 13

1.25x + .90y = 14.85

-1.25x - 1.25y = -16.25

1.25x + .90y = 14.85

-0.35y = -1.40

y = 4 tulips

x + 4 = 13

x = 9 lillies

(9 lillies, 4 tulips)

Step-by-step explanation:

8 0
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vivado [14]

Please provide more information. You need to add the sides of the polygon to find the perimeter.

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Solve 2=x-16 I cant figure it out
soldier1979 [14.2K]

Answer: x=18

Step-by-step explanation:

2=x-16

18=x

you solve this by adding -16 to -16 and 2, and then there's nothing else to do.

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3 years ago
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What is the surface area of the square pyramid?
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Hope this helps .. sorry if it’s wrong .

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