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alex41 [277]
3 years ago
14

What is 7 feet converted to miles?

Mathematics
1 answer:
Naily [24]3 years ago
5 0

Answer:

Step-by-step explanation:

Use the factor-label method you learned in chemistry (also known as dimensional analysis), keeping in mind 2 things:

the label you want needs to be on the top of the equivalent ratio, and

that there are 5280 feet in 1 mile.  Having said that:

7feet*\frac{1mile}{5280 feet}=

The math tells us to divide 7 by 5280.  That means that

7 feet = .0013257576 miles, to however many decimal places you need.  That 7575 is repeating, btw.

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Multiply and simplify. 2x4yx⋅6xy2z3
OLEGan [10]

Answer:

The given expression 2x^4yx \times 6xy^2z^3   on multiplying  is 12x^6y^3z^3

Step-by-step explanation:

Consider the given two expressions 2x^4yx and 6xy^2z^3

We have multiply both expressions,

2x^4yx \times 6xy^2z^3

To multiply two terms first multiply constant numbers that is 6 × 2 = 12

For x , y and z apply property of exponent,

x^a\cdot x^b=x^{a+b}

Then power of x together will be,

x^4\cdot x\cdot x=x^{4+1+1}=x^6

Similarly for y powers,

y \cdot y^2=y^{1+2}=y^3

Since first term do not have any expression for z so it will remain same.

Thus, the given expression  on multiplying become,

2x^4yx \times 6xy^2z^3 is 12x^6y^3z^3




7 0
3 years ago
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Write 2.5896 X 10° in standard notation.
Blababa [14]

Answer:

2.5896

Explanation:

Zero power rule: The zero exponent rule states that any number raised to a power of zero equals one.

10^0 is 1, so nothing changes

8 0
2 years ago
Albert is traveling 50 mph in his car. After 3 hours, how far will he have traveled?
MrMuchimi
The answer would be 150

To solve this do 50x30 and you would get 150
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2 years ago
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X^8+8x^7+15x^6−9x^5−72x^4−135x^3+8x^2+64x+120
LenaWriter [7]

Answer:

(x+3)(x+5)<em>(x-2)(x-1)</em><u>(x^2+2x+4)(x^2+x+1)</u> where the given one is bolded the 2 binomials is italicized  and the 2 trinomials is underlined

Step-by-step explanation:

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3 years ago
Plz help/ Trigonometric models and sine functions: plz show how you got and the GRAPH! Thx to anyone that can help
Shtirlitz [24]

Answer:

y=-2\sin(2x)-2 - The graph is attached below.

Step-by-step explanation:

Given : A sine function has the following key features:

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To plot the graph :

Solution :

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Substitute the given key features  

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Now, We plot the graph of the sin function.

The graph is attached below.  

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