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White raven [17]
3 years ago
6

At Maxx Middle School, there are 30 times as many students as teachers. If there are 450 students, how many teachers are there?

Mathematics
2 answers:
vredina [299]3 years ago
8 0
30 times as many students than teachers
Equation = 450/30 = 15 teachers
Zolol [24]3 years ago
4 0

Answer:

15 teachers

Step-by-step explanation:

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PLEASE HELP!
Rasek [7]

Answer:

The percent markup is, \simeq 60.89 % .

Step-by-step explanation:

A pair of shoes cost $ 22.99 to make, the local store sells them for $ 36.99.

So, the increased value for each pair of shoes,

= $ (36.99 - 22.99)

=$ 14

So, the percent markup is,

\frac {14 \times 100}{22.99} %

\simeq 60.89 %

7 0
3 years ago
X-y=3 in slope intercept form and find x and y intercepts​
Dominik [7]

Answer:

x intercept is x=3

y intercept is y=-3

Step-by-step explanation:

We can write this equation in a simpler way to find the values needed. Lets do it. Take:

x-y=3

And sum y in both sides, as we know the equality will maintain:

x-y+y=3+y

x = 3+ y

Now subtract 3 in both sides:

x-3 = y+3-3

x-3=y

So, we can rewrite our equation as y=x-3

The x intercept is a value of x such that the equation in equal to zero; in other words, is the value of x when y is zero. It is also called a zero root. Graphically, its the x value when the function passes trough the x-axis. Lets find if, we nned that:

x-3 = 0

If we sum 3 in both sides:

x-3+3=3

x=3

So, x=3 is x intercept

For finding the y intercept we need the value of y when x is zero. Graphically, is the value of y obtained when the function passes trough the y-axis. So, replace x with 0:

0-3=y

y=-3

Another way to get it is knowing that the y intercept in a polynomial is always the independent term, the one that has no x or y, which in this case is -3.

7 0
2 years ago
A rectangle has a length of x+7 and a width of 2x-3. If it’s perimeter is 32, what is the value of 3x? A.4/B.12/C.14/D.36/E.42/
Tamiku [17]

Answer:

The correct option is C. 14.

Step-by-step explanation:

First you have that the perimeter of a rectangle = (2·length) + (2·width)

⇒perimeter of a rectangle = [2·( x + 7)] + [2·(2x - 3)]

⇒ 32 = [2·( x + 7)] + [2·(2x - 3)] ⇒ 32 = (2x + 14) + (4x - 6)

⇒ 32 = 6x + 8 ⇒ 32 - 8 = 6x ⇒ 24= 6x ⇒ 24/6 = x ⇒ x = 4. ⇒ 3x= 12.

7 0
2 years ago
Which fraction is in reduced form?
kompoz [17]

Answer:

  C  5/13

Step-by-step explanation:

A fraction is written in reduced form if there are no common factors in the numerator and denominator. Since you know your multiplication tables, you can easily identify the common factors:

  A 20 = 5·4, so 4 is a common factor 4/(4·5) = 1/5

  B 6 = 2·3, 9 = 3·3, so 3 is a common factor (2·3)/(3·3) = 2/3

  C 13 is not a multiple of the prime number 5, so there are no common factors. 5/13 is a reduced fraction

  D 14 = 2·7, 21 = 3·7, so 7 is a common factor (2·7)/(3·7) = 2/3

8 0
3 years ago
a contractor needs to cut a piece of glass to fit a square window. the area of the window is 16 ft^2. find the length of the sid
Katyanochek1 [597]

Area = 16 ft.²

Use the square root process:

√16

√(4 * 4)

2√4 = 4

8 0
2 years ago
Read 2 more answers
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