MATHEMATICS MIDDLE SCHOOL

28 POINTS PLEASE HELPP

Answers

Answer 1

Answer:

Answer:

f=2

Step-by-step explanation:

.7+.3= 1

1/.5= 2

.5x2= 1-.7=.3

Related Questions

What percent of 230 is 23?
The mobile company charges $180 for an hour of service. How many dollars are customers charged every minute?
Need help with 16-20
Drag and drop the correct number to complete the equation.
In two hours, Santa's elves packed 240 toys into a bag. At this rate, how many toys were packed per minute (what is the unit rate?)

Sum of 7x times 7 +3x+1 and -4x times 4-x+3

Answers

the answer to your question i think is 4

The sum of the measure of the interior angles of a polygon is 1980°. What polygon is it? 10-gon 11-gon 12-gon 13-gon

Answers

Answer:

13-gon

Step-by-step explanation:

The sum of the interior angles of a polygon with n sides is:

S = 180° (n − 2)

If S = 1980°, then:

1980° = 180° (n − 2)

11 = n − 2

n = 13

Answer:13

Step-by-step explanation:

Please can you give me some facts on percentages other than how to work them out???

Answers

Say your test is out of 100 and you 75 correct to calculate your percent you would go

75/100*100

/ = Divide
* = Times

percent means parts per hundred.

3% means 3 parts out of 100 parts

obviously decimals and percentages are similar (percentages are just 100 times larger)

to convert a fraction to a decimal, one may do long division or convert the faction to having a denominator of 100

ex) 3/5 100 is 20 times larger than five, so multiply the numerator and denominator by 20 and get 60/100 which is 60 parts per 100 or 60%

this can also be done with 1/6 and other fractions, but it is harder because you have to know how many times larger 100 is which can sometimes defeat the purpose. For 1/6 it is 16.6666666 times larger than 6, so 16.66666666/100 or 16.6666666%

If one has a repeating decimal such as .546 repeating and they wish to convert it to a fraction, all they have to do is divide it by the same number of nines as there are repeating digits. 546/999 is .546 repeating and it reduces to 183/333

if the repeating decimal starts with non-repeating decimals, break it apart into a non-repeating decimal added to a repeating decimal.

.2345345345345345... = .2+ (.345 repeating)/10

= 1/5 + 345/9990
simplify with common denominator
=781/3330

I'm sorry that I couldn't be more helpful, but I thought some random percent knowledge would be better than nothing.

Ann needs 42 feet of fabric to make a small quilt. How many yards should she buy

Answers

Answer:

Ann should buy 14 yards of fabric.

Step-by-step explanation:

Ann needs 42 feet of fabric to make small quilt.

Now we have to convert this length to yards.

Since 1 feet length = (1/3) yards

therefore 42 feet length = 42×(1/3) = 14 yards

Ann should buy 14 yards of fabric to make a quilt.

well you have to do 42 divided 3 because 1 yard = 3 ft. 14 is your answer

the cooking class uses 5 pounds of flour to make 120 oatmeal cookies. How many oatmeal cookies can be made with a 2 bag of flour?

Answers

To find out how much 2 bags of flour makes, you can find out what one is,120/5=24, and multiply it by two. 24*2=48

Frank is going to plant b vegetable seeds in one garden and 5b + 10 vegetable seeds in another . How many seeds is frank going to plant ?

Answers

The number of seeds that Frank will plant, expressed in algebraic form, is: 6b + 10.

Algebraic Expressions

Given that, b and (5b + 10) are the seeds to be planted by Frank in different gardens, the number of seeds Frank is going to plant can be expressed in algebraic form by adding both expressions together.
Like terms with the same variables are added together.

Thus:

b + 5b + 10

6b + 10

Therefore, the number of seeds that Frank will plant, expressed in algebraic form, is: 6b + 10.

Learn more about algebraic expression on:

brainly.com/question/12470265

If Frank is planting b seeds in one and 5b + 10 in the other, the expression showing the total is b + (5b + 10), or 6b + 10 seeds.