Three times a number (n) is 36 less than five times the number (n). What is the number?

Answers

Answer 1

Answer:

i am doing it on edg 2020 now

Answer 2

Answer:

Final answer:

The number in question is found using simple algebra to setup and solve the equation given in the problem. The solution is n = 18.

Explanation:

The question is about finding a number (n), such that three times the number (n) is 36 less than five times the number (n). This can be solved using simple algebra.

Firstly, we setup the algebraic equation according to the problem:
3n = 5n - 36

To solve the equation, you subtract 3n from both sides to bring all n on one side:
5n - 3n = 36
Which simplifies to:
2n = 36

Now you solve for n by dividing both sides by 2:
n = 36 / 2
The result is n = 18. So, the number in question is 18.

Learn more about Simple Algebra here:

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A salesperson's weekly paycheck is 50% more than a second salesperson's paycheck. The two paychecks total $1625. Find the amount of each paycheck. (Round your answers to the nearest cent.)
1. What is the ratio of PQ to XY?

Directions. Convert the equations from standard from slope-intercept form.
5. 2x-y = -7

Answers

Answer:

$y=2x+7$

Step-by-step explanation:

$2x-y=-7\n\n2x-2x-y=-7-2x\n\n-y=-7-2x\n\n(-y=-7-2x)/(-1)\n\n y=7+2x\n\n\boxed{y=2x+7}$

Hope this helps.

The sum of 555 consecutive odd numbers is 135135135.

Answers

I'm guessing you mean to say that sum of 5 consecutive odd numbers is 135. In that case, let x be the first number. Then

x + (x + 2) + (x + 4) + (x + 6) + (x + 8) = 135

5x + 20 = 135

5x = 115

x = 23

So the numbers are 23, 25, 27, 29, and 31.

If you really did mean 555 consecutive odd numbers summing to 135,135,135, the process is the same, but you would find a non-integer solution so that wouldn't be possible.

Answer:

The answer is 25

Step-by-step explanation:

I got this answer on Khan Academy

Hope this helps! :)

(a) 3x + 7y = 13, 5x + 2y = 12
How do i solve this linear equation using substitution method??

Answers

Answer:

x= 2, y= 1

Step-by-step explanation:

First label the 2 equations:

3x +7y= 13 -----(1)

5x +2y= 12 -----(2)

Make x or y the subject of formula for one of the equation so that we can substitute its value into the 2nd equation.

Here, I am making y the subject of formula in the 2nd equation.

5x +2y= 12

2y= 12 -5x

$y = 6 - (5)/(2) x$ -----(3)

Substitute (3) into (1):

$3x + 7(6 - (5)/(2) x) = 13$

Expand:

$3x + 42 - (35)/(2) x = 13$

Bringconstantstooneside:

$3x - (35)/(2) x = 13 - 42$

Simplify:

$- (29)/(2) x = - 29$

Multiplyby-2onbothsides:

$- 29x = - 58$

Divideby-29onbothsides:

x=2

Substitute x=2 into (1):

3(2) +7y= 13

7y +6= 13

7y= 13 -6 (-6onbothsides)

7y= 7

y= 7 ÷7

y= 1

Which inequality represents all values of x for which the product below is defined?√5x ·√x+4
a.x>0
b.x≥0
c.x≤-4
d.x≥-4

Answers

$√(5x)\cdot√(x+4)\n\n5x\geq0\ \wedge\ x+4\geq0\nx\geq0\ \wedge\ x\geq-4\Righarrow x\geq0\n\nAnswer:B.$

Answer:

Answer is B for Apex!

Step-by-step explanation:

What is P - 15 = 13 -
6p

Answers

It's a simple linear equation in 'P'.

There is only one number that 'P' can be that would make the equation
a true statement. The number is called the"solution" of the equation.
Here's one way to find it:

You said that P - 15 = 13 - 6P

Add 6P to each side: 7P - 15 = 13

Add 15 to each side: 7P = 28

Divide each side by 7 : P = 4

p-15=13-6p
p=28-6p
7p=28
p=4

The formula to convert temperatures in Celcius to Fahrenheit is F = 1.8C + 32. If a cake is supposed to be baked at 175 degree Celcius, what temperature Fahrenheit should it be baked?

Answers

Answer:

347 Fahrenheit

Step-by-step explanation:

(175°C × 9/5) + 32 = 347°F

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