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Lady bird [3.3K]
3 years ago
15

Find the sum 3/8 + 2/8

Mathematics
1 answer:
9966 [12]3 years ago
8 0
Adding/subtracting fractions requires that they have the same common denominator.  In this case they already have 8 in both denominators. Once they have a common denominator addition/subtraction can be carried out as follows:

rule:  a/c+b/c=(a+b)/c...  in this case

3/8+2/8

(3+2)/8

5/8
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Joseph and Dwayne are both selling cookie dough for a fundraiser. Although Joseph has already sold 3 tubs, Dwayne hasn't sold an
ArbitrLikvidat [17]

Answer:The number of days it will take to sell the same amount of cookies is 3 and the number of tubs that will be sold is 27

Step-by-step explanation:

Let x represent the number of days it will take either of them to sell the same number of tubs.

Let y represent the total number of tubs that that Joseph will sell in x days.

Let z represent the total number of tubs that that Dwayne will sell in x days.

Joseph has already sold 3 tubs. If Joseph starts selling 8 tubs per day, it means that in x days, the number of tubs that he will sell will be

y = 8x + 3

Dwayne hasn't sold any yet. If Dwayne begins selling 9 tubs per day, it means that in x days, the number of tubs that he will sell will be

z = 9x

To determine the number of days it will take to sell the same amount of cookies, we will equate y to z. It becomes

8x + 3 = 9x

9x - 8x = 3

x = 3

The number of tubs that each will sell will be 9x = 9×3 = 27

3 0
4 years ago
If two 6-sided dice are rolled, what is the<br> probability of rolling double 2s?
Komok [63]

16.7%

There are 6 ways we can roll doubles out of a possible 36 rolls (6 x 6), for a probability of 6/36, or 1/6, on any roll of two fair dice. So you have a 16.7% probability of rolling doubles with 2 fair six-sided dice.

3 0
3 years ago
Read 2 more answers
What is the slope of a perpendicular line 2x + y = 6<br><br> is answer -2
Firdavs [7]

Answer:

The slope that is perpendicular to the line will be:

m_2=+\frac{1}{2}

Step-by-step explanation:

Given the equation

2x\:+\:y\:=\:6\:

We know that

y=mx+b is the slope-intercept form of a line where m is the slope and b is the y-intercept.

So, writing the equation in the slope-intercept form

2x\:+\:y\:=\:6\:

\:y=-2x+6

here

m=-2        ∵  y=mx+b        

As we know that for perpendicular lines, one slope is the negative reciprocal of the other.

Therefore, the slope that is perpendicular to the line will be:

m_2=+\frac{1}{2}

3 0
3 years ago
What is the volume of the square pyramid with bad edges 12cm and height 12cm?
spayn [35]
The volume of a pyramid is found by multiplying the length, width and height together then dividing by 3.

 length x width x height = 12 x 12 x 12 = 1728

volume = 1728 / 3 = 576 cubic cm


8 0
4 years ago
The cost of a candy bar in a vending machine is $0.95. The cost of a bottle of water in the same machine is $1.25. Jamie has $25
den301095 [7]

Answer:

The answer is $16.45


Step-by-step explanation:

First, you have to multiply $0.95 x 9 = $8.55


Then, you have to subtract $25.00-$8.55 = $16.45




5 0
3 years ago
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