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4 years ago

Cual de las siguientes rectas es paralela a la recta 8x-2y-7=0?

Mathematics

1 answer:

vazorg [7]4 years ago

5 0

Answer:

b) and c)

Step-by-step explanation:

8x-2y-7=0

y = 4x - 7/2 = 4x -3.5

y = mx + b m: slope

m = 4

both b) and c) slope is 4

parallel line has same slope (línea paralela tiene la misma pendiente)

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F(x)=x^2-25. Determine the value of x for the given function formula<br><br>

Soloha48 [4]

Answer:

You can't really determine anything here, as we'd need to know also the value of F(x)! Check again if there misses anything in this question.

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3 years ago

Jane paid for nine tickets to the museum for her and her friends. If the total cost was $94.50, how much did each ticket cost?

zaharov [31]

Answer: 10.50

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6 0

4 years ago

Read 2 more answers

M(7, 5) is the midpoint of line RS The coordinates of S are (8, 7). What are the coordinates of R?

Shtirlitz [24]

Answer:

The coordinates of point R are (6 , 3)

Step-by-step explanation:

* Lets revise the rule of the mid-point

- The mid point (x , y)of a line whose end points are $(x_{1},y_{1})$

and $(x_{2},y_{2})$ is $(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})$

∵ M is the mid point of line RS

∵ The coordinates of point M are (7 , 5)

∴ x = 7 and y = 5

∵ The coordinates of point R are $(x_{1},y_{1})$

∵ The coordinates of point S are (8 , 7)

∴ $(x_{2},y_{2})$ = (8 , 7)

∴ $x_{2}=8$ and $y_{2}=7$

- By using the rule above

∵ $x=\frac{x_{1}+x_{2}}{2}$

∵ $7=\frac{x_{1}+8}{2}$

- Multiply both sides by 2

∴ $14=x_{1}+8$

- Subtract both sides by 8

∴ $x_{1}=6$

∴ the x-coordinate of point R is 6

∵ $y=\frac{y_{1}+y_{2}}{2}$

∵ $5=\frac{y_{1}+7}{2}$

- Multiply both sides by 2

∴ $10=y_{1}+7$

- Subtract both sides by 7

∴ $y_{1}=3$

∴ the y-coordinate of point R is 3

* The coordinates of point R are (6 , 3)

6 0

3 years ago

Write an arithmetic sequences that has three arithmetic means between 155 and 215

iogann1982 [59]

The explicit formula for arithmetic is given by:
an = a1 + (n-1)d

In the current case,
a5 = 215
a1 = 155
n = 5

Substituting;
215 = 155 + (5-1)d
60 = 4d
d = 60/4 = 15

Then,
a1 = 155
a2 = 155 +(2-1)15 = 170
a3 = 155 + (3-1)15 = 185
a4 = 155 + (4-1)15 = 200
a5 = 215

Therefore, the sequence is:
155,170,185,200,215

8 0

4 years ago

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)1. In the cone below, the radius is 6 meters and the height is 8 meters. Show your work to receive full credit.

Misha Larkins [42]

Volume = (base x height) /3
= (6^2π x 8) /3
= 113.097335529 ÷ 3
= 37.6991118431
b) For question b, I assume you just need to round the number off to 1 decimal place which is 37.7

6 0

4 years ago

Read 2 more answers