MATHEMATICS MIDDLE SCHOOL

Simplify the expression 3x(x – 12x) + 3x2 – 2(x – 2)2. Which statements are true about the process and simplified product?

Answers

Answer 1

Answer:

Answer:

solve for x

Step-by-step explanation:

use distributed propertie and solve for x

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How do I solve?Hereford College has space for 450 students in the freshman class. The college estimates that 60% of the students who are admitted will actually attend college. How many students should be admitted?
* I know you have to set it up like a proportion i just dont know how to solve.

Answers

450 studnets is the number that they want or can hold.
that is only 60 percent of people that they can actually accept because they believe that 40% aren't actually going to attend.
what you would do is divide 450 by 60 you get 7.5
multiply that by 4 and you get 30 add a zero because the numbers are all in the hundreds and you get 300 or the 40% that aren't going to attend the classes
so they will except the 100% or 750 students

ellie and Sara see 8 birds in the tree.ellie sees 2 fewer birds than Sara.sara sees 5 birds. how many birds does ellie see?

Answers

3 is the correct answer 5-2=3

The correct answer is 5.

Describe a situation where it is easier to use decimals than fractions , explain why .

Answers

Answer:

Handling Money

Step-by-step explanation:

Fractions are of the form $(a)/(b)$ , where a and b are integers with b≠0. They, represents some part of the whole number.

Decimals are those fractions in which the denominators are powers of ten and numerators are the figures placed to the around the decimal point.

For e.g. 7.8 = $(78)/(10)$

Now, there are many situations where using decimals are effective than using fractions.

For e.g. While handling money, decimals prove fruitful than fractions.

That is $2.45 is much easier to work with than $ $(245)/(100)$ i.e. $ $(49)/(20)$ .

When you must multiply non whole numbers, decimals are easier to manipulate in the sense that setting up a multiplication problem with decimals rather than fractions is much simpler and easier to calculate.

How many times does nine go into 83?

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9.22 times.

9*9 is 81 and you are left over with 2/9

It goes into it 9 times

8 4583/5000 simplified

Answers

Answer:

it's already simplified :) your welcome

Glenn needs to cut pieces of ribbon that are each 1 meter long to make ribbon key chains. If he has 3 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut?