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marysya [2.9K]
3 years ago
14

Help a brother out!!! Math prom worth 20!! And explain please

Mathematics
1 answer:
Reil [10]3 years ago
5 0
A.

ratio 1 to 1

alright
find the distance between the x values and the y values and seperate each into that ratio
1:1
A to B is (6,12) to (15,-4)
disatnce from 6 to 15 is 9, ratio would be 4.5:4.5=1:1
distance from 12 to -4 is 16, ratio would be 8:8=1:1
so the point would be (4.5,8)




b.
5:2
5+2=7
alright
A to C
(6,12) to (20,12)
distance from 6 to 20 is 14, 14/7=2, 2 times 5=10
distance from 12 to 12=0, so same coordinate
the point is (10,12)


c.
2+3=5

C to B
C is (20,12) and B is (15,-4)
distance from 20 to 15 is 5, so 2 is the x value
distance from 12 to -4 is 16, 16/5 times 2=32/5
the point is (2,32/5)
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9 + 5 = x - 11<br>how to find the x number
astra-53 [7]

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combine like terms

14 = x - 11

add 11 to both sides

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or

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answer

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5 0
3 years ago
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elixir [45]
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3 years ago
Can someone help please
Pepsi [2]

Answer:

A: 5

B: 6

C: 3x^2 - 2x

D: 8

E: 22

Step-by-step explanation:

A: (-1)^2 + 4 = 5

B: (-4)^2 +4 = 16

2 x (-3) -4 = -10,

16-10=6

C: 3(x^2 + 4) = 3x^2 + 12

3x^2 + 12 -2x -4, simplify

3x^2 - 2x

D: g(3) = 2*3 -4 = 2

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E:  f(3) = 3^2 + 4 = 13

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6 0
3 years ago
Find the diagonal length of a rectangular TV screen with the a length of 25 inches and a width of 28 inches.
Luba_88 [7]

Answer:

37.5 inches

Step-by-step explanation:

Applying the Pythagorean Theorem,

a²+b²=c²

where c is the diagonal length

c=√(25²+28²)= 37.5

7 0
3 years ago
What is the slope of the line that passes through the points (−2,−5) and (−3,−6)?
4vir4ik [10]

Answer:

Hi there!

The answer to this question is: 1

Step-by-step explanation:

use the change of y over change of x (delta y over delta x) to get the slope

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5 0
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