Of the 15 children at the park, 12 children are riding bicycles and 3 children are ridingscooters. Which ratio is correct? Circle all that apply.
A The ratio of bicycles to scooters is 12 to 3.
B The ratio of scooters to children is 3 to 15.
С The ratio of bicycles to children is 12 to 15.
D The ratio of scooters to children is 9 to 12.
E The ratio of bicycles to children is 12 to 3.

Answers

Answer 1

Answer:

The correct options are Option A , Option B and Option C.

It is given that of total15 children at the park, 12 children are riding bicycles and 3 children are riding scooters.

We have to find out that which ratio is correct from the given options.

What will the value of ratio ; 2 : 4 ?

The value will be 1 : 2.

Total number of children at the park = 15

Number of children riding bicycles = 12

Number of children riding scooters = 3

The ratio of bicycles to scooters will be ;

12 : 3

The ratio of scooters to total number of children will be ;

3 : 15

The ratio of bicycles to total number of children will be ;

12 : 15

Thus , the correct options are Option A , Option B and Option C.

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Answer 2

Answer:

Answer:

A,B,C

Step-by-step explanation:

if it is wrong correct me

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Answers

Answer: C. 1/25

Step-by-step explanation:

P(A) = favorable outcomes / possible outcomes

P(A and B) = probability of A * probability of B

P(tomato) = 2/10

P(cheese) = 2/10

P(tomato and cheese) = 2/10 * 2/10 = 1/25

Answer:

1/5

Step-by-step explanation:

You have 10 cans in all and the chance of pulling a can of tomato soup is 2/10 since there are two cans of tomato soup. simplifying 2/10 is 1/ 5. The same goes for the cheese soup. 10 cans two of them are cheese so you have 2/10, which simplify into 1/5

Which one is equivalent?

Answers

Step-by-step explanation:

We have to solve the given expression to get the equivalent expression

So,

$(x+4)^2 -(x-4)(x+4)\n= x^2+8x+16-(x^2-16)\n=x^2+8x+16-x^2+16\n= 8x+32\n$

Now simplifying the options:

Option A:

$4(x+4) = 4x+16$

Option B:

$4(x-4)(x+4)\n=4(x^2-16)\n= 4x^2-64$

Option C:

$(x-4)-(x+4)\n= x-4-x-4\n= -8$

Option D:

$(x+4)[(x+4)-(x-4)]\n= (x+4)[x+4-x+4]\n= (x+4) (8)\n=8x+32$

We can see that option D's simplified form is same as the given expression.

Hence,

Option D: $(x+4)[(x+4)-(x-4)]$ is the correct answer

Keywords: Polynomials, expressions

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If BC=6x+4 AC=52 and AB=4x+8 find BC

Answers

x=4, BC=28, AB=24, AC=53

Answer:

BC=28

Step-by-step explanation:

khan academy :D

Ken walked 300 feet at 4ft/s and then walked 250 feet at 5ft/s . How long did he walk?

A.
50 seconds

B.
125 seconds

C.
20 seconds

D.
550 seconds

Answers

300 ft at 4 ft /s
= 300/4= 75 seconds
then he walked 250ft at 5ft/s
= 250/5
= 50 seconds
in total he walked 75+50 = 125 seconds
Therefore the answer is B) 125 seconds

A woman put $580 into a saving account for one year . the rate of interest on the account was 6 half %. how much was the interest for the year in dollars and cents?

Answers

I don't know about American currency but, I think it is $617 and 70 cents like $617.70.

6.5% = 6.5/100 = 0.065
0.065 x 580 = 37.7
$580 + $37.70 = $617.70

The area of an equilateral triangle is 4/3 cm ^2 . Find the perimeter of the equilateral triangle.

Answers

Equilateral Triangle Area = side^2 x .4330127

side^2 = Equilateral Triangle Area / .4330127

side^2 = 4 / 3 cm^2 / .4330127

side^2 = 3.0792014491

side = 1.7547653544

perimeter = 1.7547653544 x 3 =

perimeter = 5.2642960633 cm

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