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shusha [124]
2 years ago
8

Which equation can be used to solve x/8 = 5? (ANSWER AND YOU GET 50 POINTS)

Mathematics
1 answer:
Ray Of Light [21]2 years ago
7 0

Answer:

<h3>A. x=5*8</h3>

Step-by-step explanation:

Isolate the term of x from one side of the equation.

\sf{\dfrac{x}{8}=5 }

<u>First, you have to multiply by 8 from both sides.</u>

\Longrightarrow: \sf{\dfrac{8x}{8}=5*8 }

<u />

<u>Solve.</u>

<u />

<u>Multiply the numbers from left to right.</u>

5*8=40

\Longrightarrow: \boxed{\sf{x=40}}

<u>Therefore, the correct answer is "A. x=5*8".</u>

I hope this helps. Let me know if you have any questions.

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If the terminal side of angle 0 in standard position intersects the unit circle at p (3/5,4/5). Find cos0 and sin0
Rina8888 [55]

Answer:

\sin \theta = \frac{4}{5}, \cos \theta = \frac{3}{5}

Step-by-step explanation:

Let be P(x,y) = \left(\frac{3}{5}, \frac{4}{5}  \right) the end of the terminal side of angle \theta in standard position, that is, an angle measured with respect to +x semiaxis. By Trigonometry, we know that the sine and the cosine of the angle are, respectively:

\sin \theta = \frac{y}{\sqrt{x^{2} + y^{2}}} (1)

\cos \theta = \frac{x}{\sqrt{x^{2}+y^{2}}} (2)

If we know that x = \frac{3}{5} and y = \frac{4}{5}, then the sine and the cosine of the angle are:

\sin \theta = \frac{\frac{4}{5} }{\sqrt{\left(\frac{3}{5} \right)^{2}+\left(\frac{4}{5} \right)^{2}}}

\sin \theta = \frac{4}{5}

\cos \theta = \frac{\frac{3}{5} }{\sqrt{\left(\frac{3}{5} \right)^{2}+\left(\frac{4}{5} \right)^{2}}}

\cos \theta = \frac{3}{5}

3 0
3 years ago
ZC is opposite<br> с<br> ОА. до<br> ов. Вс<br> ос. AB<br> O D. AC and BC<br> OE. ZA<br> ООО<br> OF C
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Answer:

C.

Step-by-step explanation:

angle C is opposite to side/line AB

8 0
3 years ago
The sides of an equilateral triangle are all 8 units long. What is the length of the triangle’s altitude?
True [87]

Answer:

B or 4\sqrt[]{3}

Step-by-step explanation:

I could be wrong as I'm very new to this math but I believe its 4\sqrt{3}

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2 years ago
Need help on finding the equation for both graphs
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Find an explicit form f(n) for each of the following arithmetic sequences (assume a is some real number and x is
insens350 [35]

Answer:

The explicit form for this sequence is f(n)=f(1)-\frac{n-1}{10} for all n\geq 1.

Step-by-step explanation:

The explicit form of an arithmetic sequence  of numbers   is given by the formula  f(n)=f(1)+(n-1)d, where  f(1)  is the first term of the sequence,  d  is the difference between two consecutive terms of the sequence, and n\geq 1.

We know that  the first four elements for the arithmetic sequence are {f(1)=\frac{1}{5},f(2)=\frac{1}{10},f(3)=0, f(4)=-\frac{1}{10}}.

To find the general formula for this problem we only need to calculate d in the above formula.

For n=2, we have

f(2)=f(1)+(2-1)d=f(1)+d

if we replace f(1)=\frac{1}{5} and f(2)=\frac{1}{10} and solve for d we obtain  

\frac{1}{10}=\frac{1}{5}+d

d=\frac{1}{10}-\frac{1}{5}=-\frac{1}{10}

Therefore the explicit form is  f(n)=f(1)-\frac{n-1}{10} for all  n\geq 1.

7 0
3 years ago
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