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Vikentia [17]
3 years ago
6

Elena paints the back of a aquarium it has a height of 1 3/4 feet the painted area is 5 5/6 what is the length

Mathematics
1 answer:
Paladinen [302]3 years ago
7 0

Answer:

3 1/3 feets

Step-by-step explanation:

Given that:

Height of aquarium = 1 3/4 feets

Area of aquarium = 5 5/6 ft²

The length of aquarium = x

Aquarium is shaped in the form of a rectangle :

Area of a rectangle = Length * width

5 5/6 = x * 1 3/4

35/6 = 7x/4

Cross multiply :

7x * 6 = 35 * 4

42x = 140

x = 140 / 42

x = 3 14/42

x = 3 1/3 feets

Hence, Length of the back of aquarium is 3 1/3 feets

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It will take 49 minutes for 9 people to paint 7 walls
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3 years ago
Want Brainliest? Get this correct Which of the following is the quotient of the rational expressions shown below? Make sure your
elena-14-01-66 [18.8K]

Answer:

B.

Step-by-step explanation:

First, notice that we can cancel out an x in the second term. Thus:

\frac{3x^2}{x^2+x} =\frac{3x^2}{x(x+1)} =\frac{3x}{x+1}

As with the last question, change the sign to multiplication and "flip" the second term:

\frac{2x-1}{x+1}\cdot \frac{x+1}{3x}

Multiply straight across:

=\frac{(2x-1)(x+1)}{(x+1)(3x)}

Cancel the (x+1) term:

=\frac{2x-1}{3x}

Cannot be simplified further.

B.

4 0
4 years ago
Can someone plz help me. How can you find the inequalities of 11/15 and 5/7. Next 5/9 and 7/13. Next 11/15 and 5/7. Lastly 5/9 a
LekaFEV [45]
To make this a little clearer, let's give the pairs of inequalities the same denominator:

<span>Question 1: 
</span>\frac{11}{15} ? \frac{5}{7}
First, apply the common denominator to the first fraction:
(\frac{11}{15})7 \\  \frac{11}{15} *  \frac{7}{7}  \\  \frac{11*7}{15*7}  \\  \frac{77}{105}
Do the same for the second:15( \frac{5}{7}) \\  \frac{5}{7}* \frac{15}{15} \\  \frac{5*15}{7*15}  \\  \frac{75}{105}
Nest, compare the two fractions:
\frac{77}{105} \ \textgreater \   \frac{75}{105}
Therefore:
\frac{11}{15} > \frac{5}{7}
<span>
Question Two:</span>
\frac{5}{9} ? \frac{7}{13}
Apply the common denominator to fraction one:
13( \frac{5}{9}) \\  \frac{5}{9} * \frac{13}{13}  \\  \frac{5*13}{9*13}  \\  \frac{65}{117}
Fraction two:
9(\frac{7}{13}) \\  \frac{7}{13} *  \frac{9}{9}  \\  \frac{7*9}{13*9}  \\  \frac{63}{117}
Evaluate:
\frac{65}{117} > \frac{63}{117}
Therefore:
<span>\frac{5}{9} > \frac{7}{13}
</span>
Hope this helps!
5 0
3 years ago
4m≥m+9&gt;-9+4m<br> Please answer urgent
Vsevolod [243]
Next time, please include the instructions.

This inequality could be broken into two parts:

4m\geq m + 9   AND   m + 9 > -9 + 4m

Focus first on the inequality m + 9 > -9 + 4m.  subtract m from both sides, obtaining:

9 > -9 + 3m.  Next, add 9 to both sides, obtaining:  18>3m, or m<6

Last step:  Determine whether the inequality <span>4m≥m+9 is true if m<6.</span>
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What is 0.12 with 12 repeating as a fraction
strojnjashka [21]
12/99 is the fraction form
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3 years ago
Read 2 more answers
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