rogers father knows that dial it up sells data plans at $16 for 2 gigabytes and ring sells data plans at $9 for 1 gigabytes

Answers

Answer 1
Answer:

Answer:

Dial it up : ring ring

=8:9

Step-by-step explanation:

From Dial it up= $16 per 2 gb.

ratio of gb : price

2:16

can be reduced to 1:8

this means that per each Gigabyte, you pay $8.

Ring Ring has plans of $9 per 1gb

ratio of gb to price is 1:9

And the ratio between the prices

of the companies is

Dial it up:ring ring

8:9

which means that in one company you get one gb for $8, while in the other company you get the same one gb for $9.

Answer 2
Answer:

Answer:The initial value represents the 2 gigabytes of data stored on the computer when Jackie bought it, and the rate of change represents the 3.5 gigabytes per year that Jackie is storing.


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Factor completely 9ab + 12ax − 6b − 8x.Prime (3b − 4x)(3a − 2) (3b + 4x)(3a − 2) (3b + 4x)(3a + 2)
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Use the T-table below to determine 3 solutions to this equation: y = 2x

What is the area of rectangle PQRS?

Answers

The length of PQ = 3 + 4.5 + 2 = 9.5 inches.

The area is Length times width:

4.5 x 9.5 = 42.75 square inches.


The answer is D.

Add 2+4.5+2 and that is 9.5 PQ=9.5

multiply 4.5*9.5

that is 42.75 so the answer is D

Which is bigger 12.5% or 3/20

Answers

3/20 is 15% so that's bigger

Answer:

3/20

Step-by-step explanation:

Are all lines of symmetry also diagonals? Please help!!!

Answers

I think no, now all lines of symmetry are diagonals because it can also be horizontal and vertical.
Symmetry is also known as proportion; anything that is equal or proportion with each other.
Let’s have an example:
A square
=> in getting the symmetry of a square, we need to draw a 2 diagonal lines to each edges.
=> we can also draw 2 perpendicular lines that bisect to the edges of the square and it also provide an equal parts or proportional parts.










Answer:

i just looked it up kk

Explanation:

Not all lines that divide a figure into two congruent halves are lines of symmetry. The diagonal of a rectangle divides the rectangle into two triangles that are congruent (same size and shape). But the diagonal line is NOT a line of symmetry. ... The parallelogram, however, has NO lines of symmetry.

Need help
-1/2 + (3/4X4/9)=

Answers

Answer:

-(1)/(6)

Step-by-step explanation:

In order to find the answer to this question you must use order of operations and add after finding the common denominator.

-(1)/(2) +((3)/(4) *(4)/(9) )

P goes first

(3)/(4) *(4)/(9)

Solve:

3*4=12

4*9=36

=(12)/(36)

Reduce:

12/6=2

36/6=6

2/2=1

6/2=3

=(1)/(3)

-(1)/(2) +(1)/(3)=(-1*3)/(2*3) +(1*2)/(3*2) =-(1)/(6)

=-(1)/(6)

Hope this helps.

Answer:

The correct answer would be negative 1 over 6 also written as -1/6

Step-by-step explanation:

HAVE A GOOD DAY!

Which sentence correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14?68% of the data points lie between 10 and 14.

68% of the data points lie between 8 and 12.

68% of the data points lie between 10 and 18.

68% of the data points lie between 10 and 16.

Answers

Answer:

Option (c) is correct.

68% of the data points lie between 10 and 18.

Step-by-step explanation:

Given :  a normal distribution with a standard deviation of 4 and a mean of 14

We have to choose the  sentence that correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14.

Since, given 68% data.

We know mean of data lies in middle.

And standard deviation is distribute equally about the mean that is 50% of values less than the mean  and 50% greater than the mean.

So, 68% of data lies

mean - standard deviation = 14 - 4 = 10

mean + standard deviation = 14 + 4 = 18

So, 68% of the data points lie between 10 and 18.

"For any normal distribution, approximately 68% of the distribution will lie within one standard deviation of the mean.
That means that, for this distribution, 68% of it will lie between 14-4=10 and 14+4=18."

Find the value of y when x equals 4, -3x+9y=-57

Answers

-12 + 9y = -57

add 12 to both sides, 9y = -45

divide 9 from both sides to isolate the y

y = -5
-3(4)+9y=-57
-12+9y=-57
9y=-45
y=-5