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lara [203]
3 years ago
9

3.) There are 1,000 marbles in a large box. Johnny took a scoop of marbles from the box. He

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0

Answer: B) 375 reds

Step-by-step explanation:

Every 40 marbles 15 are red.

1000/40=25

25 x 15= 375

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The ratio of the length and the breadth of rectangle is 2:1.If the rectangle is 12m long, find the its breadth ​
Vlad1618 [11]

Answer:

6m

Step-by-step explanation:

The ratio of the length and the breadth of rectangle=2:1

Let length be 2x, then breadth = x

Now,

Length(l)=12 m

or,2x=12m

or,x=6m

x=breadth=6m

4 0
2 years ago
GR5_Math_U7_FS
Nutka1998 [239]

Answer:

4/6 of a pizza.

Step-by-step explanation:

We know that:

Both pizzas are of the same size.

Jasmine cut her's into 12 slices.

Kelly cut her's into 6 slices, and ate 2 slices, then Kelly ate 2/6 of a pizza.

Jasmine ate X of a pizza, and we know that between them ate a total of 1 pizza.

This means that:

X of a pizza + 2/6 of a pizza = 1 pizza

X + 2/6 = 1

X = 1 - 2/6

X = 6/6 - 2/6 = 4/6

Jasmine ate 4/6 of a pizza, knowing that she cut her's into 12 slices, this would mean that she ate 8/12 of a pizza, or 8 slices.

5 0
3 years ago
Given: X = r + 2, Y = 2r - 9, and Z = r 2 + 17r + 30. Simplify [X · Y - Z] ÷ X.
ale4655 [162]
( (r+2) * (2r-9)-(r^2+17r+30) )/(r+2)

none of the parenthetical operations or power operations can be simplified further, so multiplication and division first, left to right:

(2r(r+2) -9(r+2) - r^2 + 17r +30)/(r+2)

(2r^2 + 2r -9r+18 -r^2 +17r +30 )/(r+2)

(r^2 +10r +48)/(r+2)


7 0
3 years ago
What is the value of the expression?
Vesnalui [34]

1.583 3 is repeating

Hope this help you !

4 0
3 years ago
If you put 25ml of concentrate in glass. How much water should be added
Maksim231197 [3]

Answer:

Step-by-step explanation:

12

3 0
3 years ago
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