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Brrunno [24]
2 years ago
7

NEED HELP NOW !!!!!!! The ratio of teachers to students on a field trip to the art museum is supposed to be 1 : 5. Which group d

oes NOT have the proper ratio? Select the best answer from the choices provided. A. 3 teachers : 15 students B. 4 teachers : 25 students C. 2 teachers : 10 students D. 7 teachers : 35 students
10 points
Mathematics
2 answers:
WINSTONCH [101]2 years ago
8 0

Answer:

B. 4 teachers : 25 students

Step-by-step explanation:

deberían ser 5 maestros o 20 estudiantes.

Neporo4naja [7]2 years ago
5 0

Answer: B. 4 teachers : 25 students

Step-by-step explanation: Since 4 is not, a divisible by 5 or 15 then it's not the answer

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The area of a square quilt is 196 square inches. There is a smaller square patch on the quilt with an area of 49 square inches.
Makovka662 [10]




To find your answer you would find the perimeter of the small square which is 28.

You would then find the perimeter of the big square which is 56. 

Next, you subtract 56 from 28 and get 28.  

So the difference is 28 inches.

Hope this helps!!



5 0
3 years ago
Read 2 more answers
If the perimeter of square region S and the perimeter of rectangular region R are equal and the sides of R are in the ratio 2:3
horrorfan [7]

Answer:  The correct option is (B) 24 : 25.

Step-by-step explanation:  Given that the perimeter of square region S and the perimeter of rectangular region R are equal and the sides of R are in the ratio 2 : 3.

We are to find the ratio of the area of R to the area of S.

Let 2x, 3x be the sides of rectangle R and y be the side of square S.

Then, according to the given information, we have

\textup{Perimeter of rectangle R}=\textup{Perimeter of square S}\\\\\Rightarrow2(2x+3x)=2(y+y)\\\\\Rightarrow 5x=2y\\\\\Rightarrow \dfrac{x}{y}=\dfrac{2}{5}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

Therefore, the ratio of the area of R to the area of S is

\dfrac{2x\times3x}{y\times y}\\\\\\=\dfrac{5x^2}{y^2}\\\\\\=6\left(\dfrac{x}{y}\right)^2\\\\\\=6\times\left(\dfrac{2}{5}\right)^2~~~~~~~~~~~[\textup{Using equation (i)}]\\\\\\=\dfrac{24}{25}\\\\=24:25.

Thus, the required ratio of the area of R to the area of S is 24 : 25.

Option (B) is CORRECT.

6 0
3 years ago
A rectangle garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet
Lana71 [14]

Width = 4ft

Length = 6ft

<u>Explanation: </u>

Let length = l ,

So, width = 2l-8

Perimeter of rectangle = 2x(length + width)

According to the question,

20ft = 2X(l + 2l-8)\\20ft = 2X(3l -8)\\ 10ft = 3l-8\\18ft = 3l \\ l = 6ft

Hence,

Width = 4ft

Length = 6ft

6 0
3 years ago
What is the quadratic equation whose roots are -3, -1 and has a leading coefficient of 2 with X to represent the variable?
dexar [7]
f(x)=2(x+3)(x+1)\\&#10;f(x)=2(x^2+x+3x+3)\\&#10;f(x)=2(x^2+4x+3)\\&#10;f(x)=2x^2+8x+6
3 0
3 years ago
What is the slope of a line that passes through the points (–3, 2) and (–6, 5)?
lilavasa [31]

Answer:

-1

Step-by-step explanation:

just do y2-y1 over x2-x1.

8 0
2 years ago
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