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Anna11 [10]
3 years ago
11

Adding Mixed Numbers Find each sum. Simplify your answer. 1. 5+31 =

Mathematics
2 answers:
tigry1 [53]3 years ago
3 0

Answer:

36:)

Step-by-step explanation:

Crazy boy [7]3 years ago
3 0

Step-by-step explanation:

You can do it in calculator or rough it is 36

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Please help! Please explain how to do this, I am so lost.
alexdok [17]
Ok, so we know that RST is equal to 6x+12
And RST is also equal to 78 + 3x-12
so we set them equal to each other

6x + 12 = 3x - 12 + 78
And simplify
3x = 54
x = 18

Finally, we solve for the angle with 18 for x

6(18) + 12
108 + 12
120

Hope this helps
8 0
3 years ago
-5+7=7+-5 is this number sentence true or false
vovikov84 [41]

Answer: True

Step-by-step explanation:

We can simplify each of the expressions on either side to see if they are equal.

Left side: -5+7=7-5= 2

Right side: 7+-5=7-5= 2

Yes, they are equal.

7 0
1 year ago
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HELPPP only got 43 minutes to answer questions
irga5000 [103]

Answer:

20 feet below sea level

Step-by-step explanation:

6 0
3 years ago
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Help wit this? 10m-8m+2+10
GenaCL600 [577]

Answer:

2m+12

Step-by-step explanation:

add like terms

2m+12

7 0
3 years ago
What is the answer to 3/x=-3/3x+5
Aleonysh [2.5K]

Answer:

-\frac{5}{4} =x

Step-by-step explanation:

We first need to bring x up into the numerator. I will find common denominators by multiplying both sides by each denominator.

\frac{x(3x+5)}{1} *\frac{3}{x} =\frac{-3}{3x+5}*\frac{x(3x+5)}{1}

This will eliminate both denominators and leave me with

(3x+5)3=-3(x)\\9x+15=-3x after I simplify the parenthesis.

Now I will solve the equation for x by subtracting 9x from both sides.

9x-9x+15=-3x-9x\\15=-12x

Then divide by the coefficient of x.

\frac{15}{-12}=\frac{-12x}{-12}

-\frac{5}{4} =x


7 0
3 years ago
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