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Mrac [35]
3 years ago
15

A classroom fish tank contains x black mollies. The tank contains 8 times as many glowlight a tetras as black mollies. enter an

equation to show the total # of glowlight tetras, y, in the fish tank.
Mathematics
1 answer:
sleet_krkn [62]3 years ago
5 0
8x=y

       ^^^^^Answer
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Mr.Ravenheads car averages 23.75 miles per gallon of gasoline. Express this amount as a mixed number in simplest form.
cupoosta [38]

23 is a whole number 75 is the numerator and use 100 as the denominator since 75 is in the 100nths place.  
8 0
3 years ago
Colby is making a home video consisting of a 5-minute introduction followed by several short skits. Each skit is 6 minutes long.
givi [52]
<h2>Hello!</h2>

The answer is: There are a total of 16 skits in the video.

<h2>Why?</h2>

From the statement, we know that the total length of the video is 101 minutes and it contains a 5-minute introduction, the rest of the minutes are short skits (which are 6 minutes long each one).

So, we need to write the following equations:

First equation:

TotalDuration=Introduction+n*Skit

Second equation:

Skit=6Minutes

Where,

TotalDuration=101Minutes\\Introduction=5Minutes\\n=NumberOfSkits\\Skit=6Minutes

So, replacing and substituting the second equation into the first equation we have:

101Minutes=5Minutes+n*6Minutes\\n*6Minutes=101Minutes-5Minutes\\n*6Minutes=96Minutes\\n=\frac{96Minutes}{6Minutes}=16

So, there are a total of 16 skits in the video.

Let's prove it substituting "n" into the first equation:

101Minutes=5Minutes+16*6minutes\\101Minutes=5Minutes+96Minutes\\101Minutes=101Minutes

Have a nice day!

8 0
3 years ago
Simplify the expression <br> 7y+3x+3-2y+6
pishuonlain [190]

Answer:

5y + 3x + 9

Step-by-step explanation:

Whenever something is multiplied by the same variable, you can combine the coefficients. In this case, first you'd move the values with the same variable next to each other, for simplicity:

7y-2y+3x+3+6

Then, combine like terms.

5y+3x+3+6

5y+3x+9

8 0
3 years ago
23mm,20mm,13mm sides and 62,72,46, angle what type of triangle is that
Readme [11.4K]
23 mm, 20mm, 13mm sides: No equal sides and No equal angles are characteristics of a Scalene Triangle.

62,72,46 angles : All angles are less than 90°, this means that the triangle is an acute triangle.

Based on the above information the triangle is an ACUTE SCALENE TRIANGLE.
4 0
2 years ago
Which of the following is the complete list of roots for the polynomial function f(x)=(x2+6x+8)(x2+6x*13)
anygoal [31]
Factorise x^2+6x+8=0 to get (x+4)(x+2)=0
Solve to get x=-4, x=-2
Factorise x^2+6x+13=0 (I assumed you mistyped and wrote * instead of +)
Use the quadratic formula and you find that there are no real roots so the answer for this is just x=-4, x=-2
Tell me if I made any mistakes
3 0
2 years ago
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