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ella [17]
2 years ago
12

The sum of 3 times some number and 15 is 34.

Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
8 0

3x + 15 = 34

3x = 19

x = 6 1/3 is the answer to the question

topjm [15]2 years ago
8 0

Answer:

3x + 15 = 34.

Step-by-step explanation:

Whenever an expression states "the sum," that means that there is going to be addition in the problem. So, now that we know that, we can take the numbers out of the statement and figure out their places of where they belong.

When a statement in math says "some number," it means that there is a variable. A variable is a letter that represents a mystery number that could be anything in the situation. So, for this situation we will use <em>x</em>, one of the most common variables used in math. When you have a number in front of a variable, that means that you are multiplying the number by the mystery number: the variable. So far we have:

3x + ? = ?

Now, we add the 15 into the expression. Because it says the "sum" of 3x and "15," we will be adding the two. Also, the word "is" basically means "equal to" in math. So, now we can put the whole equation together to get:

3x + 15 = 34.

(If you need me to solve it, I can do that too.)

I hope this helps.

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Please help me i have a couple mins
finlep [7]

Answer:

x + 3

Step-by-step explanation:

Because he bought an unknown number of soccer balls that is where we use the variable, x. And we know that he bought 3 baseballs, and we add them both to get the total number of things bought. Hope this helped and you could give brainliest :)

7 0
2 years ago
What value of x would make lines land m parallel? ​
solniwko [45]

Answer:

x = 75

Step-by-step explanation:

Given

See attachment

Required

The value of x that makes l and m parallel

Let the angles be ABC (See attachment 2)

\angle CAB is corresponding to 50 degrees. So:

\angle CAB=50

\angle ABC is corresponding to 55 degrees. So:

\angle ABC = 55

This means that:

\angle ABC + \angle CAB + x = 180

50 +55 + x = 180

Solve for x

x = 180 - 50 - 55

x = 75

4 0
2 years ago
A population is growing exponentially. If the starting population is 91, and the population
saw5 [17]

Answer:

what is that

Step-by-step explanation:

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5 0
3 years ago
the product of two consecutive integers is 420. an equation is written in standard form to solve for the smaller integer by fact
Xelga [282]
Start by writing your own expression.

x is the smaller number and x + 1 is the next number

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6 0
2 years ago
Read 2 more answers
Write an equation to represent the function.
svet-max [94.6K]

Answer:

<u>f(x) = 50 + 25(x - 1)</u>

Step-by-step explanation:

Let's write an equation to represent the function that will allow Damon to calculate the cost of his video game membership service:

Lifetime membership fee = $ 50

First video game is free

Then any video game purchased after = $ 25.

Let x to represent the total cost of the video game membership service, in consequence we can write the equation this way:

<u>f(x) = 50 + 25(x - 1)</u>

  • If x = 1, then f(1) = 50 + 0 = 50
  • If x = 2, then f(2) = 50 + 25 = 75
  • If x = 5, then f(5) = 50 + 100 = 150
5 0
3 years ago
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