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Korvikt [17]
2 years ago
7

2x/9 +x/3 = 13/6, solve for x

Mathematics
2 answers:
scZoUnD [109]2 years ago
7 0

Answer:

\bold{\red{\boxed{\blue{ x = 3.9}}}}

Step-by-step explanation:

\frac{2x}{9}  +  \frac{x}{3}  =  \frac{13}{6}  \\  \frac{2x + 3x}{9}  =  \frac{13}{6}  \\  \frac{5x}{9}  =  \frac{13}{6}  \\ use \:  \: cross \:  \: multipication \\ 5x \times 6 = 9 \times 13 \\ 30x =11 7 \\  \frac{30x}{30}  =  \frac{117}{30}  \\ x = 3.9

saveliy_v [14]2 years ago
5 0

Answer:

x = 3 9/10

Step-by-step explanation:

2x/9 +x/3 = 13/6

Get a common denominator on the left side

2x/9 + x/3 *3/3 = 13/6

2x/9 + 3x/9 = 13/6

5x/9 = 13/6

Multiply each side by 9/5 to isolate x

5x/9 *9/5 = 13/6 * 9/5

x = 117/30

Divide the top and bottom by 3

x = 39/10

x = 3 9/10

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The temperature in the ice rink must stay below 50°F this morning the temperature was 71 Degrees Fahrenheit the icing runs a coo
ahrayia [7]

Answer:

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3 years ago
Isabella buys a computer that is on sale for 30% off the original price. The original price is $216 more than the sale price.
kakasveta [241]

Answer:

720

Step-by-step explanation:

<em>Set the problem up as a proportion</em>

<em />\frac{216}{x}= \frac{30}{100}<em />

<em>cross multiply</em>

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7 0
2 years ago
What's the area if an equilateral triangle with sides of 10 inches and height of 7 inches
Hitman42 [59]
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(10 * 7) / 2 =
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7 0
3 years ago
In a right triangle the lengths of the legs are a and b. Find the length of a hypotenuse, if: a=3, b=4;
prohojiy [21]

Answer:

The hypotenuse is 5

Step-by-step explanation:

We can use the Pythagorean theorem to find the hypotenuse of a right triangle

a^2 +b^2 =c^2 where a and b are the legs and c is the hypotenuse

3^2 +4^2 =c^2

9+16=c^2

25=c^2

Take the square root of each side

sqrt(25) =sqrt(c^2)

5 = c


6 0
3 years ago
Read 2 more answers
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