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3 years ago

HW HELP ASAPP +10PTS

Mathematics

1 answer:

Airida [17]3 years ago

8 0

You need to make “S” in the other two equations 3. Then simplify them. Are the answers the same?

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There are 500 toothpicks in a small box. If a jumbo box is made by doubling all the dimensions of the small box, how many toothp

dalvyx [7]

I believe that it is 2,000 because you multiply it by 2 three times.

4 0

4 years ago

The sum of two books and a pencil is $6.00. The difference of cost between 3 books and 2 pencils is $ 2.00. Find the cost of a b

Gala2k [10]

Answer:

The book costs $2 and the pencil also costs $2.

Step-by-step explanation:

It is easy to get the value of the book and the pencil if we use algebraic expressions.

Let x be the cost of the book and let y be the cost of the pencil.

The sum of 2 books and a pencil is $6.00

2x + y = $6.00

The difference of cost between 3 books and 2 pencils is $2.00.

3x - 2y = $2.00

Step 1: Let's get the value of y first.

2x + y = 6

y = 6 - 2x

Step 2: Let's substitute the value of y and look for the value of x.

3x - 2y = $2.00

3x - 2(6-2x) = 2

3x - 12 + 4x = 2

7x = 12 + 2

7x = 14

x = $\frac{14}{7}$

x = $2 (this is the cost of the book)

Step 3: Let's substitute the value of x and look for the value of y.

2x + y = 6

2 (2) + y = 6

4 + y = 6

y = 6 - 4

y = $2 (this is the cost of the pencil)

Let's check:

2x + y = $6

2(2) + 2 = 6

4 + 2 = 6

6 = 6 (CORRECT)

8 0

3 years ago

If the point (4,-1) is a point on the graph of f

Alja [10]

Ummm i ain’t sure but you could try to figure out the recipe of the boesack soup

8 0

3 years ago

Please solve for x on numbers 14-18!!

prohojiy [21]

Answer:

14.)x=7

15.)x=252

16.)x=4

17.)x=3/4

18.) [in the picture]

3 0

4 years ago

Laurissa rolls two number cubes, each with the numbers 1 though 6. Laurissa adds the numbers that appear on the roll. Which two

DanielleElmas [232]

Answer:

I will use the notation:

Cube1 + Cube2 = sum.

Ok, each number cube has 6 options, so the total number of possible combinations is equal to the product of the number of options for each event we have two events (two number cubes).

Then:

C = 6*6 = 36

we have 36 possible combinations.

Now, let's look at the sums that have the same number of combinations (which would mean that have the same number of combinations).

For example, the lower result possible is two ones:

1 + 1 = 2

(only one outcome adds up to 2)

And the maximum result possible is two sixes:

6 + 6 = 12

(only one outcome adds up to 12)

Then 2 and 12 have the same probability, 1/36.

Now we can keep loking at 2 + 1 and 12 - 1.

2 + 1 = 3

The outcomes that add up to 3 are:

1 + 2 = 3

2 + 1 = 3

(two outcomes out of 36)

12 - 1 = 11

The outcomes that add up to 11 are:

6 + 5 = 11

5 + 6 = 11

(Two outcomes out of 36)

Then 3 and 11 have the same probability, 2/36.

And we can notice the pattern here.

4 and 10 will have the same probability 3/36

5 and 9 will have the same probability 4/36

6 and 8 will have the same probability 5/36

7 is the only option that does not have a pair, the probability is 6/36.

5 0

3 years ago