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Ksenya-84 [330]
3 years ago
15

Twenty-four pencils are in a package.The student use 3/8 of the pencils. How many did they use?

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

Nine

Step-by-step explanation:


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Find the product. If the result is negative, enter "-". If the result is positive, enter "+". -7(- a2 ) 2 ( -b3 ).
m_a_m_a [10]

Answer:

The product is positive, thus it is \bold{+7a^4b^3}

Step-by-step explanation:

The full question in proper notation is:

"Find the product. If the result is negative, enter "-". If the result is positive, enter "+".

-7(-a^2)^2(-b^3)"

We have to work with it using Order of operations know as well as PEMDAS, thus expression inside parenthesis go first and exponents.

On this expression we have to work with exponents

(-a^2)^2 = (-a^2)(-a^2) =a^4

Thus we get

-7(-a^2)^2(-b^3)=-7a^4(-b^3)

Lastly we can work with multiplication and remembering that the multiplication of two negative signs becomes positive.

-7(-a^2)^2(-b^3)=7a^4b^3

So the final simplified expression is \bold{7a^4b^3}

5 0
3 years ago
Read 2 more answers
I do not understand the process/steps to do this. ​
VARVARA [1.3K]

Answer:

Step-by-step explanation:

Remark

An angle bisector sets up a triangle ratio that looks like the following proportion.

3x - 3               5x

======   =      ======             Cross multiply

24                     44    

44*(3x-3) = 24*5x                 Remove the brackets on the left

132x - 132 = 24*5x               Combine the right side

132x - 132 = 120x                 Add 132 to both sides

132x = 120x + 132                Subtract 120x from both sides

132x- 120x = 132                  Combine

12x = 132                              Divide by 12

x = 11

 

8 0
3 years ago
Triangle ABC is similar to triangle WYZ.
Inga [223]

9514 1404 393

Answer:

  False

Step-by-step explanation:

Corresponding angles in similar triangles are congruent. The similarity statement tells you angle B corresponds to angle Y, so those angles are congruent. The sines of congruent angles are identical.

  sin(B) > sin(Y) . . . . FALSE

  sin(B) = sin(Y) . . . . true

7 0
2 years ago
Help me please. I’m getting frustrated. I keep writing out the equation wrong and don’t know where I’m messing up Write all solu
MrMuchimi

Answer:

Infinite Solutions

Step-by-step explanation:

If you distribute the left side of the expression, you will get 3y -32, which is exactly the same as the right side of the equation. Since both lines are the same, that means that they have an infinite amount of solutions. Therefore, the 4th choice is correct.

3 0
3 years ago
Read 2 more answers
there is 3/5 of pie left if 4 friends wanted to share the pie equally how much pie would each friend receive/7095668/7abc4acb?ut
Serjik [45]
You would divide 3/5 by 4/1 so then that would mean you keep change flip so its 3/5 times 1/4 which is equal to 3/20 each person or friend would get
3 0
2 years ago
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