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3 years ago

Construct x such that a/x= x/b

Mathematics

1 answer:

jenyasd209 [6]3 years ago

8 0

$\frac{a}{x} = \frac{x}{b}$

From there we can see that because x equals both to a and b, it must be that a = b.

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Simplify (x^2 -25)/ (2x^2-7x-15)

murzikaleks [220]

Answer:

$\frac{x+5}{2x+3}$

Step-by-step explanation:

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3 years ago

Choose the function whose graph is given by

Taya2010 [7]

Answer:

The correct option is D.

Step-by-step explanation:

The given graph is the graph of a cosine function, which shifts 1 unit left.

The cosine function is defined as

$y=a\cos(bx+c)+d$

Where, a is amplitude, b is frequency, c is phase shift and d is vertical shift.

If c>0, then the graph shifts c units left and if c<0, then the graph shifts c units right.

Since the graph show only phase shift and the graph shifts only one unit left, therefore required function is

$y=\cos(x+1)$

Option D is correct.

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3 years ago

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If one side of a right triangle is six and the hypotenuse is 10 what is the length of the missing side?

kvasek [131]

Answer:

Step-by-step explanation:

*whispers* (there is a calculator online for that.)

Also the formula is a² + b² = c².

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3 years ago

The appropriate translation of the phrase 11 more than 20 percent of a number is it true or false

Eva8 [605]

Answer:

Step-by-step explanation:

3 0

3 years ago

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Solve for x given that CE=36. Show your work.

inna [77]

Answer:

The answer for this equation is x = 7

Step-by-step explanation:

1. Solve for x given that CE=36

9 + 3x + 6 = 36

3x + 15 = 36

3x = 36 - 15 (Putting x on the left side and all the numeric values on the right)

3x = 21

x = 7 (Dividing by 3 at both sides)

2. Proof of replacing x by 7

9 + 3 (7) + 6 = 36

9 + 21 + 6 = 36

36 = 36

It proves that x = 7 is correct

8 0

3 years ago