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Tju [1.3M]
3 years ago
6

Rewrite each equation as a system of equations excluding the value(s) of xx that lead to a denominator of zero. Then, solve the

equation for xx.
a. 25x=1/x
b. 1/5x=10
Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

a.x=1/5

b.x=1/50

Step-by-step explanation:

a.

Given data in the question:-

25x=1/x

To find the value of x.

Solution:-

25x=1/x\\25x^2=1\\x^2=1/25\\x=\sqrt{1/25}\\ x=1/5

b.

Given data in the question:-

1/5x=10

We have to find the value of x.

Solution:-

1/5x=10\\1/(5*10)=x\\1/50=x

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anygoal [31]

Answer:

square root 162

Step-by-step explanation:

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3 years ago
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Jason owns a food truck that sells tacos and burritos. He sells each taco for $4.75 and each burrito for $7.50. Yesterday Jason
Dahasolnce [82]

Answer:

The system of equations are;

4.75t + 7.50b = 790

t = 2b

where t is the number of tacos and b is the number of burritos

Step-by-step explanation:

In this question, we are concerned with writing the system of equations that could help us determine the number of tacos and burritos sold.

Firstly, we start with defining variables. Let the number of tacos sold be t and the number of burritos sold be b

*there we twice as many burritos as tacos sold. What this simply means is that the number of tacos sold is twice the number of tacos.

Mathematically that could be written as ;

t = 2b ••••••••••(i)

Now, let’s work with the revenue;

Each taco is sold at $4.75 and he sold a total of t tacos. The revenue realized from tacos sold is thus $4.75 * t = $4.75t

The money realized from selling b burritos at $7.50 each would be $7.50 * b = $7.50b

The addition of both of these will give the total revenue of $790

Thus, we have;

4.75t + 7.50b = 790 ••••••• (ii)

5 0
3 years ago
Please help me solve this:
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Sec(theta) = 1.3591392 => cos(theta) = 1 / 1.3591392 = 0.7357598103

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3 years ago
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3 years ago
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Can you solve this pls 5(x – 4) + 3x – 9x = 6 – (2x + 5) + 8x <br><br> show step by step pls
maxonik [38]

Answer: x=−3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

5(x−4)+3x−9x=6−(2x+5)+8x

(5)(x)+(5)(−4)+3x+−9x=6+−2x+−5+8x(Distribute)

5x+−20+3x+−9x=6+−2x+−5+8x

(5x+3x+−9x)+(−20)=(−2x+8x)+(6+−5)(Combine Like Terms)

−x+−20=6x+1

−x−20=6x+1

Step 2: Subtract 6x from both sides.

−x−20−6x=6x+1−6x

−7x−20=1

Step 3: Add 20 to both sides.

−7x−20+20=1+20

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Step 4: Divide both sides by -7.

−7x over -7

        =

21 over -7

x=−3

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3 years ago
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