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bixtya [17]
2 years ago
5

Solve for x 33=x/2+15

Mathematics
2 answers:
Natasha2012 [34]2 years ago
7 0

Answer:

\boxed{\sf x=36}

Step-by-step explanation:

\sf 33=\cfrac{x}{2}+15

\boxed {\sf Multiply\: both \:sides \:by \:2}

\sf 66=x+30

Swap sides so that all the variable terms are on the left hand side:

\sf x+30=66

\boxed{\sf Subtract \:30\: from \:both \:sides}

\sf x=66-30

\boxed{\sf Subtract \: 30\: from \:66}

\sf x=36

_________________________

rewona [7]2 years ago
4 0

Answer:

x=36

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

Therefore, x = 36.

To check your answer, apply 36 to where x is.

33=\frac{36}{2} +15

⇒ 33=18+15

18+15=33    ☑

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Graph a line that contains the point (-5,-3) and has a slope of -2
Tpy6a [65]

Answer:

-->

Step-by-step explanation:

Graph (-5,-3) and use the slope, -2, to find another point. -2 can also be written as -\frac{2}{1}

\frac{rise}{run} =\frac{-2}{1} and  \frac{rise}{run} =\frac{2}{-1} **

Use both. This works because either way, they will lie on the same line with the same slope. So, starting at (-5,-3), go down two points (-)* and to the left 1 (+)*, then, starting at (-5,-3) again, go up two points (+)* then to the right 1 point (-)*.

* If the number is negative, you either go down or to the right. If the number is positive, you go up and to the left.

**Rise over run refers to the change in the y-axis and the change in the x-axis: \frac{rise}{run} =\frac{y-axis}{x-axis}. Only one number is negative because, if both were negative, that would make a positive number, but the slope is -2, not 2.

Another way you could do this is by finding points first. All you need to do is turn the slope into a "point". Remember, 2 is the y and 1 is the x:

-2=-\frac{2}{1} = (1,-2) and (-1,2)

Then, using (-5,-3) and your new points, add them separately:

(-5,-3)+(1,-2)\\(-5+1,-3+(-2))\\(-5+1,-3-2)\\(-4,-5)

(-4,-5) is one point

(-5,-3)+(-1,2)\\(-5+(-1),-3+2)\\(-5-1,-3+2)\\(-6,-1)

(-6,-1) is another point. Connect the three points. You can check your work on the graph:

3 0
3 years ago
Tim is 5 pounds heavier than Amy. Let Amy's weight will be x pounds
Elenna [48]

Answer:

A) x+5

B) 121

Step-by-step explanation:

A) If Tim is 5 pounds heavier than Amy, an equation for this situation can be modeled by x+5, where Amy is <em>x </em>pounds.

B) If Tim is 126 pounds, then Amy's weight is 126-5=121 pounds.

4 0
3 years ago
WILL GIVE BRAINLIEST
Bezzdna [24]

Answer: D. (8, 4)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A train is traveling at a constant speed of 90 miles per hour. How many feet does it travel in 10 seconds? Remember that 1 mile
Flauer [41]

Hi

1 mile = 5280 feet  

at  90 mile per hour, you have  5280 *90  = 475 200 feets  

an hour is  60*60 = 3600 second  

so in 1 second the train travel  :  475 200 /3600 = 4752 /36 = 132 feets

so in 10 seconds  :  132*10 = 1320 feets.

7 0
3 years ago
. Campbell's paycheck was $257.20. She put 1/4 of her paycheck in her savings account and used 1/3 of what was left to pay bills
evablogger [386]
I could be wrong because people do make mistakes, but i’m pretty sure the answer i got was right
$128.60
explanation:
$257.20 divided by 4=$64.30
$257.20-$64.30=$192.90
$192.90 divided by 3=$64.30
$192.90-$64.30=$128.60
therefore, she has $128.60 left from her paycheck after bills
5 0
3 years ago
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