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marishachu [46]
3 years ago
14

Three times a number, x, increased by four is equal to five times the number, x. Which equation can be used to solve for x?

Mathematics
2 answers:
sesenic [268]3 years ago
5 0

Answer:

X = 2

Step-by-step explanation:

From the question we can gather some pretty important information. For starters, "three <u>times</u> a number x" would give us 3x. Secondly, "<u>increased</u> by 4" would give us +4. Lastly, "<u>equal</u> to five <u>times</u> x" would be = 5x. If we put this all together we have the following Algebraic Equation.

3x+4 = 5x

Now we can start solving the equation.

3x+4 = 5x

4 = 2x

2 = x

So we can see that the value of x in this equation is 2.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Dimas [21]3 years ago
4 0
3x+4=5x
4=5x-3x
4=2x
X=2
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Ella is going to drive from her house to city a without stopping. Ella’s house is 100 miles from city a and after driving three
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Answer:
d = 100 - 25t

Step-by-step explanation:

Let's use basic logic here.
If we are 100 miles away from a place, and we've got 25 miles to go, we've already travelled 75 miles.
Since we've travelled 75 miles in 3 hours, then we travel at a rate of 75 divided by 3 = 25 miles per hour.

The distance to City A will be represented as 100 - miles already travelled. We can find how many miles have been travelled by multiplying 25 by t, the amount of hours we've spent driving.

This creates the equation d = 100 - 25t
Hope this helped!
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3 years ago
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3 years ago
Create your own system of 2 equations word problem. Answer it with full step by step explanation. Help and thank you. ​
mr_godi [17]

Answer:

<h2>30</h2>

Step-by-step explanation:

<h3>to understand the steps</h3><h3>you need to know about:</h3>
  • system of linear equation
  • word problems
  • PEMDAS

first step

let's create the equation word problem

<h3>my mother's current age is four times the sum of the ages of my two sisters. After 5 years, my mother's age will be double the sum of the ages of my two sisters. What is the current age of my mother? (imaginary problem)</h3>

let's solve

let my mother's and sister's age be x and y respectively

according to the first condition,x=4y....(I)

according to the 2nd condition,x+5=2(y+5×2).....(ii)

so the system of linear equations is

x=4y

x+5=2(y+5×2)

gets from the second equation

x+5=2(y+10)

x+5=2y+20

4y+5=2y+20 (as x=4y)

2y=15

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7 0
3 years ago
An inchworm ran into a log while on his way to the raspberry patch. The diameter of the log is 32 cm. How far did the inchworm t
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3 0
4 years ago
Question is on the picture
aleksklad [387]

Answer:

12/5

Step-by-step explanation:

tan A = opp/adj

For angle theta, 12 is the opposite leg.

13 is the hypotenuse.

We were not given the length of the adjacent leg, but we can use the Pythagorean theorem to find it.

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a = 25

The adjacent leg has a length of 5.

tan theta = opp/adj

tan theta = 12/5

Answer: 12/5

4 0
3 years ago
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