3 years ago

Plz help I don’t under stand how to get this common ratio

Mathematics

1 answer:

Talja [164]3 years ago

7 0

Answer:

2 over 5

Step-by-step explanation:

Common ratio =

7/ (35/2) = (14/2) / 7

Our answer became 2/5

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Alana and Petra go to a used book sale, where every book is the same price. Alana buys 4 books and Petra buys 2 books. They run

galben [10]

Answer:

each book is 2 dollars

Step-by-step explanation:

x=price per book

angus=16x-15

16x-15-5=4x+2x

=16x-20=6x

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2=x

tadaa!!

your very welcome

3 0

2 years ago

What is the first step in writing f(x) = 3x2 + 6x – 8 in vertex form?

notsponge [240]

Answer:

Factor out 3 from the first two terms

Step-by-step explanation:

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2 years ago

The graph shows the functions f(x), p(x), and g(x):

Sidana [21]

The function f(x) is:

f(x)=x

This is because the line f(x) passes through the points (-1,-1), (0,0), (1,1) etc.

The function p(x) is:

p(x)=mx+C

Whereby (m) is the slope and (C) is a constant.

m=-4/3, as m=tan(ω)=O/A=-4/3 as slope is negative.

Now when y=-3, x=-3.

So:

-3=-4/3 *(-3) +C

-3= 4 + C

C=-7

This means that:

p(x)=-4/3x -7

Now, where p(x)=g(x), x=-6.

p(-6)=-4/3 * (-6) -7

p(-6)=24/3 -7

p(-6)=8-7

p(-6)=1

Therefore:

p(x) and g(x) meet at (-6, 1) and the solution to p(x)=g(x) is x=-6.

3 0

3 years ago

What fractions are less than, greater than an equal to 1/2

scoundrel [369]

Answer:

1/4

1/8

1/12

1/100

1/1000

1/10000

3 0

2 years ago

A line that passes through the point (1, –1) and parallel to another line whose slope is 1.

Mars2501 [29]

Parallel lines have same slope so so far the new equation looks like this
$y = 1x + b \\ y = mx + b$
now you plug in you points or coordinates to find b or solve for the y-intercept
$- 1 = 1(1) + b$
$- 1 = 1 + b$
$- 1 = 1 + b \\ - 1 = - 1$
$- 2 = b$
now that you have your b your final solution is
$y = 1x - 2 \: or \: y = x - 2$

5 0

3 years ago