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3 years ago

Guys i need help! Its for my final! ! What is 1+1?

Mathematics

1 answer:

nadezda [96]3 years ago

8 0

Answer:

1 + 1 = 2

Step-by-step explanation:

You add

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Conversions: 24,900 miles into meters (m) (1 inch =2.54cm)

Orlov [11]

For this, we will be using dimensional analysis as such:

$\frac{24900\ mi}{1}*\frac{5280\ ft}{1\ mi}*\frac{12\ in}{1\ ft}*\frac{2.54\ cm}{1\ in}*\frac{1\ m}{100\ cm}=\frac{4007266560}{100}=40072665.6\ m$

In short, 24,900 miles is 40,072,665.6 (40,072,666 if rounded to the whole meter) meters.

6 0

3 years ago

A player moves a knight from location (3, 2) to (5, 1) on a chessboard. If the bottom-left square is labeled (1, 1), which descr

Kitty [74]

Translation , in geometry ,is described as the movement of a function or graph to a certain distance.Or simply the transformation of the image to a certain level without rotating or reflecting.
Hence,
Using the idea of translation I have concluded the movement of location (3, 2) to (5, 1) on a chessboard will result:

2 units to the right and 1 unit down.
1 unit to the right and 2 units up

5 0

4 years ago

In New York, state sales tax rates vary by county. In Allegany County, the sales tax rate is 8 1 2 %. a. A book costs $12.99, an

ArbitrLikvidat [17]

Answer:

$ 2.30

Step-by-step explanation:

Given that the sales tax rate $= 8\frac{1}{2}\%=8.5\%$

The cost of the book is $ 12.99.

So, the tax on the book= 8.5% of 12.99

$= \frac {8.5}{100}\times 12.99$

=1.10

So, the sales tax on the book is $ 1.10.

The cost of the video game is $ 39.99.

So, the tax on the book= 8.5% of 39.99

$= \frac {8.5}{100}\times 39.99$

=3.30

So, the sales tax on the book is $ 3.40.

The difference of taxes on both the items = $ 3.40-$ 1.10=$ 2.30

So, the tax on the video game is $ 2.30 more than then tax on the book.

3 0

3 years ago

Catalina multiplied 842 and 3 and got 3,326. how can can she check to see if her answer is reasonable

denpristay [2]

By rounding 842 to 800, she can multiply 800 by 3 to get 2,400.

then, multiply 40 by 3, you get 120 and add the two together to get 2,520

this shows her answer is not necessary reasonable

4 0

2 years ago

Suppose that a regression line for some data transformed with logarithms predicts that when x equals 4, log(y) will equal 3.331.

deff fn [24]

Option D

The regression line predicts that at x = 4, y equals 2143

Solution:

Given that when x equals 4, log(y) will equal 3.331

To find: Find y when x equals 4

Since we have given that,

When x = 4,

$\text{ log } y = 3.331$

We need to find the value of 'y' when x = 4

$log_{10}y = 3.331$

Since it is logarithmic function with base 10, Raise to power of 10 on both sides,

$10^{log_{10}y} = 10^{3.331}\\\\\text{10 power log base 10 cancels, we get }\\\\y = 10^{3.331}\\\\y = 2142.89$

On rounding to nearest whole number, we get 2143

Thus Option D is correct

7 0

3 years ago