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alexdok [17]
3 years ago
6

Given m || n, find the value of x and y. m(7x+13) n(3y-17) (9x-19)

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
4 0

Answer:

9x - 19 = 7x + 13 \\ 2x = 32 \\ x = 16 \\ 3y - 17 + 9x - 19 = 180 \\ 9x + 3y = 180 + 17 + 19 \\ 9x + 3y = 216 \\ 3y = 216 - 144 = 72 \\ y =  \frac{72}{3}  = 24

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22,647 inches into miles
nydimaria [60]

22,647 inches to m iles will give you 0.35743371 of a mile (this is a repeated decimal since it goes on forever with different numbers.) Using a calculator, 22646.9998656 inches would give 0.35743371 miles (round the inches to the whole number and you will still get the same answer.) Into hundredths, you get 0.36, but changing to tenths would give 0.4.

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Nate

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state whether each expression is meaningful. if not, explain why. if so, state whether it is a vector or a scalar.
DanielleElmas [232]

The dot product of two vectors gives scalar quantity and between scalar quantity, we can not apply any product so options (b), (d), and (e) are not meaningful.

<h3>What is a vector?</h3>

An item with both magnitude and direction is referred to be a vector.

A vector can be visualized geometrically as a straight spline, with a pointing in the orientation and a length equal to the value of the vector.

A line with an arrow in its direction can also be used to represent a vector, and the length of the line relates to the vector's amplitude.

The dot product of two vectors gives scalar quantity while the cross product gives a vector quantity.

Now,

In option (B) ;

a Х (b . c) now here b . c is a scalar quantity and we can not cross multiply a scalar with a vector.

In option (D) ;

(a.b) Χ (c.d) where we cannot multiply two scalars by cross product.

In option (E);

a.(b.c) we can not multiply two scalars by the dot product.

Hence "The dot product of two vectors gives scalar quantity and between scalar quantity, we can not apply any product".

For more information about vector,

brainly.com/question/13322477

#SPJ4

The given question has a missing option which is given below,

8 0
1 year ago
Write 7.62 x 10^3 in standard notation
Reil [10]

Answer:

7,620

Step-by-step explanation:

When you move the decimal place 3 place to the right you get 7,620

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Answer:

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Step-by-step explanation:

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2 years ago
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To add the probabilities, you would have to treat them like any other numbers. If they are decimals or percents, you can follow basic addition rules. If you are given the probabilities as fractions, make sure that you have common denominators when you add them.
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