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3 years ago

What is 1080 miles on 15 gallons

Mathematics

1 answer:

yaroslaw [1]3 years ago

7 0

Answer:

72 miles per gallons

Step-by-step explanation:

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X^2-4x-5x=0<br><img src="https://tex.z-dn.net/?f=x%20%7B2%7D%20%20-%204x%20-%205x%20%3D%200" id="TexFormula1" title="x {2} - 4x

Bogdan [553]

Answer:

x = 9 or x = 0

Step-by-step explanation:

Solve for x over the real numbers:

x^2 - 4 x - 5 x = 0

x^2 - 4 x - 5 x = x^2 - 9 x:

x^2 - 9 x = 0

Factor x from the left hand side:

x (x - 9) = 0

Split into two equations:

x - 9 = 0 or x = 0

Add 9 to both sides:

Answer: x = 9 or x = 0

7 0

3 years ago

Read 2 more answers

Length=5.3 in, width = 1.7

alexira [117]

9.01 you do LxW = your answer

6 0

4 years ago

3. Suppose U= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set and Q = {3.6.9}. What is Q?

Dimas [21]

Answer:

Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and M={7,8,9,10}. What is M'?

A. {1,2,3,4,5,6}

B. {1,2,3,4,5,6,7,8,9,10}

C. cannot be determined

D. {7,8,9,10}

My answer is D.

Step-by-step explanation:

M' means the complement of M.

M' will encompass all the elements in the universal set but NOT in the set M.

4 0

3 years ago

What is 7x plus 5 plus 8x?

jarptica [38.1K]

Answer:

The answer is 15x+5

Step-by-step explanation:

1. Combine like terms (numbers with the same variable) (just add 7 & 8 and add an x)

2. Bring the rest down

3. After you combined like terms make sure you bring the variable down to it's proper spot

5. Hope this helps.. :)

8 0

3 years ago

Use the properties of 30-60-90 and 45-45-90 triangles to solve for x in each of the problems below. Then decode the secret messa

Flauer [41]

With the help of trigonometric function, the above problems have been calculated. See explanation below.

<h3>What are Trigonometric functions?</h3>

The term "trigonometric function" refers to functions that are periodic in nature and that shed light on how a right-angled triangle's angles and sides relate to one another.

The solutions to x in the respective problems is given as follows:

1) x = 5 /Sin(30°)

x = 10

!) Sin(45°) = 4/x

x = 4/sin(45°)

x = 4√2

I) Cos(45°) = √3 / x

x = √3 / Cos(45°)

x = √6

E) Tan(60°)

= (3√3) / x

x = (3√3) / 3

W) In trigonometry, every right-triangle that is isosceles in nature, the angle made by the legs and the hypotenuse will always equal 45°.

x = 45°

N) x² + x² = (7√2)²

x = 7

V) Tan(60°) = 7 / x

x = 7√3/3

K) x² + x² = (9)²

x = 9/√2

Y) Sin(60°) = 7√3/x

x = 14

M) Sin(30°) = x/11

x = 11/2

T) Sin(45°) = x/√10

x = √5

A) x + 2x + 90° = 180°

x = 30°

O) Sin(45°) = √2 / x

x = 2

R) Tan(30°) = x / 4

x = 4/√3

= 4√3 / 3

S) Sin(60°) = x / (10/3)

x = (5√3) / 3

Learn more about Trigonometric functions at:

brainly.com/question/14421002

#SPJ1

3 0

2 years ago