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3 years ago

Are the graphs of the lines in the pair parallel ? Explain.

Mathematics

1 answer:

Julli [10]3 years ago

3 0

So the right answer is of option D

Look at the attached picture

Hope it will help you...

Good luck on your assignment

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A mother is now 2 1/2 times old as her daughter Mary. Four years ago the ratio of their ages was 3:1. Find the present age of th

Tanya [424]

Answer:

The present age of the mother is 40 years

Step-by-step explanation:

Let the age of the mother be M and that of the daughter D. Given that the mother is now 2 1/2 times old as her daughter Mary then

M = 2.5D

Given that Four years ago the ratio of their ages was 3:1

The mother's age 4 years ago was

= M - 4

and that of the daughter then was

= D - 4

Hence

(M - 4)/(D - 4) = 3/1

Cross multiply

M - 4 = 3(D - 4)

M - 4 = 3D - 12

M = 3D - 12 + 4

M = 3D - 8

Substitute into the first equation

3D - 8 = 2.5D

3D -2.5D = 8

0.5D = 8

D = 8/0.5

= 16 Years

M = 2.5D

M = 2.5 * 16

= 40 Years

4 0

3 years ago

Mila graphs the point A (5, 0) on a coordinate plane.

alexdok [17]

Answer:

B,E

Step-by-step explanation:

(5,0) (5=x, 0=y)

A is false because y = 0

B is true because x=5

c is false because y = 0

D is false because again y = 0

E is true because 5,0 is on the x axis

- Gage Millar, Algebra 2 tutor

8 0

3 years ago

Need answer fast with all the steps included please

marysya [2.9K]

Answer:

$(\frac{6x^2y}{5})$

Step-by-step explanation:

Given

$\frac{(2x)(3x^3y^2)}{5x^2y}$

Required

Solve

Open the brackets

$\frac{(2x)(3x^3y^2)}{5x^2y}$ = $\frac{(2x*3x^3y^2)}{5x^2y}$

$\frac{(2x)(3x^3y^2)}{5x^2y}$ = $\frac{(6x^4y^2)}{5x^2y}$

Apply law of indices:

$\frac{(2x)(3x^3y^2)}{5x^2y}$ = $\frac{(6x^{4-2}y^{2-1})}{5}$

$\frac{(2x)(3x^3y^2)}{5x^2y}$ = $\frac{(6x^2y)}{5}$

$\frac{(2x)(3x^3y^2)}{5x^2y}$ = $(\frac{6x^2y}{5})$

6 0

3 years ago

25% of 200 is _________.

telo118 [61]

Simple, change 25% into 0.25.

Thus,

n=0.25*200
n=50

thus, your answer is, 25% of 200 is 50.

8 0

3 years ago

Read 2 more answers

Tamara likes to mix and match her 4 scarves, 3 pairs of gloves, and 2 hats. The color choices are listed in the table. On Monday

slega [8]

(brown gloves and red hat)
= (1/3)(1/2) = 1/6

So really the answer is, C

7 0

3 years ago