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erastovalidia [21]
3 years ago
7

so There are 17 girls and 119 boys on a class field trip to the museum. The students need to be broken up into the largest possi

ble groups so that each group contains the same number of students. Each group must be all girls or all boys. How many students should be in each group?
Mathematics
1 answer:
Step2247 [10]3 years ago
8 0

1 student in each group with 126 groups in total

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One side of a square is 10 units. Which is greater, the number of square units for the área of the square or the number of units
ValentinkaMS [17]
The area of the square would be greater. To get the area of a square you need to multiply the length and width of the square, therefore you would multiply 10x10 which comes out to be 100. The perimeter would only be 40.
3 0
3 years ago
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What is the y-intercept of a line that has a slope of -3 and passes through the point (0,-7)?
ch4aika [34]

Answer:

A. -7

Step-by-step explanation:

The y-intercept of a line is where the line <em>intercepts</em> the y-axis. The y-intercept is shown, in point form, (0,y), y being where the line intercepts the y-axis.

8 0
3 years ago
Which expression is equivalent to 81 Superscript one-third?
levacccp [35]

Answer:

A. on edge

Step-by-step explanation:

5 0
3 years ago
When 36 is subtracted from the square of a number, the result is 5 times the number. Find the negative solution.
Sloan [31]

Answer:

n = -4

Step-by-step explanation:

If we subtract 36 from the square of that number, X^2 - 36 ...

The result is equal to 5 times the number, 5X

Therefore,

X^2 - 36 = 5X

You've probably seen this solved by putting the equation in the form:

aX^2 - bX - c = 0

Doing that here, we subtract 5X from both sides to make the right side of the equation equal to zero.

X^2 - 5X - 36 = 0

Now we need to factor this.

(X _ _ )(X _ _ ) = 0 (where _ denotes an operator or term that we need.)

Looking at the operators, we see that the operands are different, so

(X - _ )(X + _ ) = 0 (we have operator, need term.)

Now we need to find two factors of 36 whose difference is 5. So let's try a few:

36 = 6 X 6 Nope

36 = 12 X 3 Nope

36 = 9 X 4 Yup!

Since the middle term is negative, we know the placement of the 9 and 4.

(X-9)(X+4)= 0

Therefore, X-9=0 or X+4=0

X-9=0 => X=9

X+4=0 => X=-4

Going back to the original problem, it says "Find the negative solution."

Therefore, X=-4.

Let's check:

(-4)^2-36 = 5*(-4)

16-36 = -20

-20=-20 Check!

3 0
4 years ago
Covert 77 1/2% to a fraction in lowest term
Elodia [21]

77\frac{1}{2} \% converted to fraction in lowest terms is \frac{31}{40}

<em><u>Solution:</u></em>

Given that we have to convert 77\frac{1}{2} \% to fraction in lowest terms

Let us first convert the mixed fraction 77\frac{1}{2}

Multiply the whole number part by the fraction's denominator.

Add that to the numerator.

Then write the result on top of the denominator.

Therefore,

77\frac{1}{2} \% = \frac{77 \times 2+1}{2} \% = \frac{155}{2} \%

\frac{155}{2} \% = 77.5 \%

Now convert 77.5 % to fraction

So we have to convert percentage to fraction

Divide the percentage by 100 to get a decimal number

77.5 \% = \frac{77.5}{100} = 0.775

Use that decimal number as the numerator of a fraction. Put a 1 in the denominator of the fraction

Count the number of places to the right of the decimal. If you have x decimal places then multiply numerator and denominator by 10^x

0.775 = \frac{0.775}{1} \times \frac{1000}{1000} = \frac{775}{1000}

Simplify and reduce the fraction to lowest terms

\rightarrow \frac{775}{1000} = \frac{31}{40}

Thus the given percentage is converted to fraction in lowest terms

7 0
3 years ago
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