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3 years ago

HELP ME Please THIS Is Really URGENT FOR ME on question 14) ok

Mathematics

2 answers:

Dafna11 [192]3 years ago

6 0

I think 79.45 inches

elena-14-01-66 [18.8K]3 years ago

4 0

If it grows 11.35 inches a day, then it would be 79.45 inches in a week.

11.45 x 7 days = 79.45 inches.

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On a coordinate plane, the endpoints of line segment JK are J(−10,12) and K(8,−12). Point L lies on line segment JK and divides

lakkis [162]

Answer:

The coordinates of point L are (4.4 , -7.2) ⇒ answer A

Step-by-step explanation:

Assume that point L is (x , y)

Point L divides the line segment JK into two line segments such that

the ratio of JK to KL is 5 : 1

The coordinates of point J are (-10 , 12)

The coordinates of point K are (8 , -12)

∵ $x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}}$

∵ $y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}$

Let $(x_{1},y_{1})$ = (-10 , 12) and $(x_{2},y_{2})$ = (8 , -12)

and $m_{1}:m_{2}$ = JL : KL

∵ JK : KL = 5 : 1

∵ JK = JL + KL

∴ 5 = JL + 1

Subtract 1 from both sides

∴ JL = 4

∴ JL : LK = 4 : 1

∴ $m_{1}:m_{2}$ = 4 : 1

∵ $x=\frac{(-10)(1)+(8)(4)}{4+1}$

∴ $x=\frac{-10+32}{5}$

∴ $x=\frac{22}{5}=4.4$

∴ The x-coordinate of point L is 4.4

∵ $y=\frac{(12)(1)+(-12)(4)}{4+1}$

∴ $y=\frac{12+(-48)}{5}$

∴ $y=\frac{-36}{5}=-7.2$

∴ The y-coordinate of point L is -7.2

* The coordinates of point L are (4.4 , -7.2)

6 0

4 years ago

Help please if you dont mind

Bumek [7]

Answer:

Step-by-step explanation:

For every x, there can be only y.

A, B and C violate that.

8 0

3 years ago

What is 3 and 4/6 of mins is equal to how many seconds

frez [133]

Answer:

220 seconds

explaination:

3 minutes is 180 seconds and 4/6 of a minute means 40 out of 60 seconds so 180 plus 40 is 220

8 0

3 years ago

Solve the following for the indicated variable:

jenyasd209 [6]

Answer:

2/3

Step-by-step explanation:

"To multiply fractions you multiply the 2 numerators (the top numbers) then you multiply the 2 denominators (the bottom numbers) so in this it would be 8x3 which is 24 and then 9x4 which is 36. This makes 24 which can be reduced.

36"

5 0

3 years ago

**15 Points!! What is 2 1/2 x 1 1/2, 5.4 x 2 3/4, and 3.1 x 2/7?

Amiraneli [1.4K]

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6 0

4 years ago