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4 years ago

Add the fraction 1/2+3/18

Mathematics

2 answers:

AURORKA [14]4 years ago

8 0

1/2 + 3/18 = 9/18 + 3/18 = 12/18 = 2/3

3/45 + 6/50 = 1/15 + 3/25 = 5/75 + 9/75 = 14/75

LenaWriter [7]4 years ago

7 0

(1x18)+(3x2)
________
2x18
=24/36

24÷12
_____
36÷12

=2/3

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3 years ago

Solve for h h - 3h - 8 = 14 H=?

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The initial step that must be taken before solving almost any problem is to understand what the problem is asking for us to do and what is provided to us to complete that goal. Looking at the problem statement, we can see that we are being requested to solve for h and we are provided an expression to do so. Let's begin solving the expression by combining like terms.

Combine like terms

$h - 3h - 8 = 14$

$(h - 3h) - 8 = 14$

$(- 2h) - 8 = 14$

Just a quick explanation on what combine like terms means, it basically just means to combine the coefficients of the numbers associated with the same variables. Like in this example we can combine h and -3h because they have have the variable h associated with them.

Add 8 to both sides

$(- 2h) - 8 = 14$

$(- 2h) - 8+ 8 = 14 + 8$

$- 2h= 22$

Divide both sides by -2

$- 2h= 22$

$\frac{- 2h}{-2}= \frac{22}{-2}$

$h= \frac{22}{-2}$

Simplify the expression

$h= - \frac{22/2}{2/2}$

$h= - \frac{11}{1}$

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Therefore, after completing the steps above we were able to determine that the value of h is equal to -11.

8 0

2 years ago

Read 2 more answers

Find the answer to the nearest tenth.

Fed [463]

Area=1/2bh h=altitude b=legnth of base b is 3 times h b=3h divide by 3 b/3=h area=1/2bh subsitute b/3 for h 54=1/2(b)(b/3) multiply bothsides by 2/1 108=b(b/3) 108=(b^2)/3 multipy both sides by 3 324=b^2 square root boh sides 18=b legnth of base=18

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3 years ago

My teacher didn’t really teach this and um how do I do this

Lorico [155]

Answer:

Step-by-step explanation:

1. 3.8 x 10^5 + 5.5 x 10^5 = 930,000 or 9.3 x 10^5

You just have to solve the equation and shorten the answer. For number one the answer is 930,000, so you have to make it into a number with decimals since a scientific notation number can not be equal to 10 or be greater. So you have to round the number to 9.3 not 93. To "round" it to 9.3 you have to move the decimal at the end of 930,000 to be in between the numbers 9 and 3. How many times you move the decimal to the left or right, that is the exponent of 10. So for 930,000 you moved the decimal 5 times to the left so the exponent for 10 is positive 5.

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