Solve the equation and enter the value of x below X+40=59
Answers
Answer:
X = 19
Step-by-step explanation:
To solve the equation X + 40 = 59, we need to isolate the variable X on one side of the equation.
1. Start by subtracting 40 from both sides of the equation:
X + 40 - 40 = 59 - 40
This simplifies to:
X = 19
2. Therefore, the value of X that satisfies the equation is 19.
In summary, to solve the equation X + 40 = 59, you subtract 40 from both sides of the equation to isolate the variable X. This results in X = 19.
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Answers
2A = bh Divide both sides by h
b =
$34, then she rented the bike for how
many hours?
Answers
Answer:
7 hours
Step-by-step explanation:
34 minus 13, the original price to buy the bike. That equals 21, 21 divided by 3, equals 7, because every hour, 3 dollars is spent.
1. (a+ b)^3 − 27
2. 2x^2+7x+3
Answers
Answer:
1) (a+b) = 3
2) (2x+1)(x+3)
Step-by-step explanation:
4cd×10×2p÷50d+20q=??
Answers
Let's start by breaking down the problem so that it's not overwhelming.
For now, we're only going to focus on the very beginning of the problem -- 4c.
When a number is next to a letter with no signs in between (in terms of this kind of math), the number is called a coefficient and the letter is called a variable. When you see this in math, it means that the coefficient is being multiplied by the variable. But how do you know what the variable is?
In other examples of math, you'd have to solve for the variable, but in this case, they already give it to you! Look back at the top... what does C equal? It equals 4! This means that 4c is actually 4x4, or 4(4)!
What we just did there, changing 4c to 4 multiplied by 4, is called substitution. You just substituted the c with 4. Now you know that to solve this, you need to use the method of substitution. What do you get if you substitute all of the variables with the numbers they equal (as shown above)...?
((4*-4)*5)((10(2*2))/(50(5)))+20(-1). You didn't use parentheses to separate the term /50d + 20q, so I'm assuming that the first part of the problem is only divided by just 50d, and not 50d+20q. In the future, be sure to clarify with parentheses. Anyway...
((4*-4)*5)((10(2*2))/(50(5)))+20(-1). Do NOT let this scare you. All the parentheses do is help you see what is being multiplied. All that's left is simple order of operations! You should get -340 as your answer.
Answers
Answers
Answer:
10p coins does he have 102
Step-by-step explanation:
given data
saves= 10p coins and 20p coins
total = 17 pounds
to find out
how 10p coins does he have
solution
we consider here no of 20p coin = x
so equation will be here
3 × 10 x +20 x = 1700
30 x + 20 x = 1700
x = 34
so that
10p coins = 3 time × 34 = 102
20p coins = 34
so that 10p coins does he have 102
Answer:
I'm not sure how euros work but I'm almost certain there are 18 20p coins
Step-by-step explanation: