Please help I think I picked the wrong answer !!

Mathematics

1 answer:

insens350 [35]3 years ago

6 0

Answer:

one solution

Step-by-step explanation:

it has one solution because the slopes of the two equations(1x & 2x) are different, which means the lines of the two equations are not parallel, they have an intersection point(also means one solution).

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Total power generated by wind worldwide doubles every 3 years. In a particular year, the world wind-generating capacity was abou

gogolik [260]

<span>Total power generated doubles every 3 years, so the growth rate is: (final value / initial value)^(1/years) - 1 = (2 / 1)^(1/3) - 1 = 26% For the formula, the initial capacity was 92 thousand megawatts, so as a function: WW = Initial Capacity*(1 + growth rate)^(tt) WW = 92*(1+26%)^(tt)</span>

6 0

3 years ago

Help me plz asap i need the first question dont answer till u see file

nika2105 [10]

Okay, so with the link we can tell this:

flour and baking soda are equal ratios
salt is one half the ratio of flour/baking soda

A: correct
flour and baking soda as equal ratios

B: incorrect
salt is at an incorrect ratio to flour

C: correct
salt is at a correct ratio to baking soda

D: incorrect
salt is at an incorrect ratio to baking soda

E: correct
baking soda is at a correct ratio to salt

answers: A, C , E

8 0

3 years ago

NEED HELP ASAP!!!!!

Sonbull [250]

Part A:

An isometric transformation is a type of transformation where the original shape and size of the pre-image is not altered in the image.

To show that the translation was an isometric transformation, we show that the distance between any two points in the pre-image is equal to the distance between the corresponding points in the image.

Consuder, line AB, the distance between point A and point B is given by:

$d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\ \\ = \sqrt{(-1-(-6))^2+(0-0)^2} = \sqrt{(-1+6)^2+0^2} \\ \\ = \sqrt{5^2+0} = \sqrt{25} =5$

The distance between point A' and point B' in the image is given by:

$d= \sqrt{(3-(-2))^2+(4-4)^2} \\ \\ = \sqrt{(3+2)^2+0^2} = \sqrt{5^2+0} \\ \\ = \sqrt{25} =5$

Similarly checking other points of the pre-image against the corresponding points of the image shows that the size of the pre-image is preserved in the image.

Part 2:

The translation that maps the triangle ABC onto its image are:
Triangle ABC was shifted 4 units to the right.
Triangle ABC was shifted 4 units up.

8 0

3 years ago

Read 2 more answers

The table below shows the total cost for purchasing a certain number of equally-priced concert tickets.Total cost (in dollars) |

olga nikolaevna [1]

To find an equation to describe the relationship between t and c you:

1. Find what is the dependent variable and the independent variable

In this case the total cost of the tickets depend of the number of tickets. Then:

Dependent variable is C

Independent variable is T

-----------------------------------------------------------

You can see in the table that the difference between the cost of the tickects is 165 for every 3 tickets. you find this by substracting the data in every column, as follow:

Then, the equation will be a lineal equation with a slope of: