2/9 of the students in a school are in sixth grade.

a. How many sixth graders are there if the school has
90 students?

b. How many sixth graders are there if the school has
27 students?

c. if the school has x students write an expression for the number of students of sixth graders in terms of x

d. how many students are in the school of 42 of them are in 6th grade

Answers

Answer 1

Answer:

a) 20 sixth graders.

b) 6 sixth graders.

c) 2/9x sixth graders.

d) 189 students in the school.

Step-by-step explanation:

a) 2/9 of 90 = 2/9 * 90 = 20 students.

b) 2/9 of 27 = 2/9 * 27 = 6 students.

c) 2/9 of x = 2/9x

d) 42 = 2/9x so solve the equation: x = 189 students.

Answer 2

If we have 90 students in the school then we will have  20 sixth grade students.

a. From the details of the question, we have 2/9 of the students in the school in sixth grade. Hence;

Number of students in sixth grade = 2/9 × 90 = 20 sixth grade students

b. If the school has 27 students, number of sixth graders =  2/9 ×  27 = 6 sixth grade students

c. If we have x students in the school, the number of sixth graders =  2/9 × x = 2/9x students

d. If we have 42 students in sixth grade, the number of students in the school is;

2/9 × x = 42

x = 9/2 × 42 = 189 students

Learn more about fractions: https://brainly.com/question/1301963


Related Questions

Responses which are acquired after birth are called _____ responses.

Answers

Answer:

Learned

Step-by-step explanation:

I luv u!

round off 174 to the nearest hundred​

Answers

Answer: 200

Step-by-step explanation:

174 rounded to the nearest hundred is:

200

When rounding to the nearest hundred, like we did with 174 above, we use the following rules:

A) We round the number up to the nearest hundred if the last two digits in the number are 50 or above.

B) We round the number down to the nearest hundred if the last two digits in the number are 49 or below.

C) If the last two digits are 00, then we do not have to do any rounding, because it is already to the hundred.

pls mark brainliest!

Answer:

200

Step-by-step explanation:

Since I helped you can you help me? Go to my most recent question and try to answer it plzzz

Four fundamental factors affect the cost of money: (1) the return that borrowers expect to earn on their investments, (2) the preference of savers to spend their income in the current period rather than delay their consumption until some future period, (3) the risks associated with the investment, and (4) expected inflation. Consider the following statements that address these factors, and indicate which you think are true.
Statement 1: All things being equal, savers and investors expect to receive some amount of maturity premium as compensation for their deferred consumption.
Statement 2: Historical inflation rates, as opposed to expected future rates of inflation, should be used when calculating an investment’s nominal risk-free rate of return.
Statement 3: An investment that can provide a 10% return should attract more investment capital than an otherwise identical investment that can only provide a 6% return.
Statement 4: The inflation premium used to calculate the nominal interest rate on a five-year security should be equal to the rate of inflation expected in year 5 of the investment.
The true statements are:_______.
a. 1, 2, 3, and 4
b. 2 and 4
c. 1, 2, and 3
d. 1 and 3

Answers

Answer:

The true statements are 1 and 3

Step-by-step explanation:

Statement 1 -

All things being equal ,the savers and investors expect to receive some amount of maturity premium as compensation for their deferred consumption.

Statement 3 -

An investment that can provide a 10% return should attract more investment capital than an otherwise identical investment that can only provide a 6% return.

It is true because the return is higher than the return of identical investment  therefore the higher returns will attract more investment.

Statement 2-

It is a false statement.

Historical inflation rates should not be used when calculating an investment’s nominal risk-free rate of return

But the real risk free rate and  inflation premium is the part of prevailing interest rates that results from lenders compensating for expected inflation should be used

Statement 4-

It is a false statement.

The inflation premium used to calculate the nominal interest rate on a five-year security should not be equal to the rate of inflation expected in year 5 of the investment.

∴ we get

Statement 1 and 3 are true.

what is the missing number in 100+
blank=1,0000​

Answers

Answer:

9900

Step-by-step explanation:

Answer:

0.01

Step-by-step explanation:

16 is 4670 of what number ?

Answers

Answer:

291.875

Step-by-step explanation:

16 x 291.875= 4670

Please answer with explanation, I don't understand.

[tex]\sqrt{x^2-14x+49} =x-7[/tex]

Answers

Answer: x ≥ 7

Step-by-step explanation:

You have to square both sides of the equation. You can manipulate an equation or function any way imaginable as long as it is done equally and helps the problem become easier. If we square this, the radical will cancel and we will get two trinomials equal to each other.

[tex]x^2-14x+49=(x-7)^2\\x^2-14x+49=x^2-14x+49[/tex]

We can see the two expressions are exactly equal to each other. All real numbers are solutions, besides a few. These few are when the radical is equal to a negative number. So lets set up an inequality stating that the radical must be greater than or equal to 0.

[tex]x^2-14x+49\geq 0\\(x-7)^2 \geq 0\\x \geq 7[/tex]

~!!!!! PLEASE HELP IM IN 7TH GRADE LEARNING 9TH AND 8TH GRADE MATH !!!!!~
QuESTION *SORRY ITS SMALL HGVCFGHJJHV*

Answers

y = mx+b that’ll help you answer it

Evaluate 32 + (6 - 2) · 4 -
6
(1 point)


(a)20

(b)23

(c)50

(d)26

Answers

B is the anwser!!!!!!

Answer:

Its D because I did the math

what is 3 to the power -4

Answers

4/3 tour is the right answe

Answer:

0.01234567901

Step-by-step explanation:

w=
she suznsnsja. s
anna abs
s
sm


Answers

Answer:

-32

Step-by-step explanation:

so the question on the pic

Answers

Explanation + answers

Because there are lengths going from 0 to 1, the lines must mean either decimals or fractions (we'll use fractions for this.)

1. There are twelve lines from 0 and 1, which we can use as the denominator for our fraction. This means the length of each line is 1/12.

2. In order to find where K's point is at, we simply need to count until we get to it. After counting, I see that K is on point 8/12, which we can simplify to get a smaller number. If we simplify once, we get 4/6, which we can again simplify to get 2/3. This gives us the answer K is on point 8/12 or 2/3.

Can a triangle be formed with the sides lengths of 7 cm, 5 cm and 12 cm?

Answers

Answer:

NO because 7+5=12

The sum must be larger (not equal to) the longest side. If it's exactly the same, there's no room to for the shorter two sides to angle up to form a triangle.

A band will sell CDs of their music at their concert for $5.00 each. The band ordered 300 CDs at a cost of $1.25 each. Which inequality represents the number of CDs, n, the band needs to sell to make a profit of at least $500?

1. x is greater to or equal to 99
2. x is greater to or equal to 100
3. x is greater to or equal to 133
4. or x is greater to or equal to 134

Answers

Given:

Selling price of each CD = $5.00

Cost price of each CD = $1.25

Number of CDs ordered = 300

Profit must be at least $500.

To find:

The number of CDs needs to sell.

Solution:

Let n be the number of CDs needs to sell.

Selling price of each CD = $5.00

Selling price of x CDs = $5n

Cost price of each CD = $1.25

Cost price of 300 CDs = 300×$1.25

                                      = $375

We know that,

[tex]Profit=S.P.-C.P.[/tex]

[tex]Profit=5n-375[/tex]

Profit must be at least $500. it means profit must be greater than or equal to $500.

[tex]5n-375\geq 500[/tex]

[tex]5n\geq 500+375[/tex]

[tex]n\geq \dfrac{875}{5}[/tex]

[tex]n\geq 175[/tex]

All options are incorrect. The required inequality is n is greater than or equal to 175.

5.
(x + 10°)
(x + 20°)

Answers

What are you asking here? I need more information to solve please

What is the degree of 7 x6 - 6x5 + 2x3 + x-8?
O A. 6
O B. 7
O c. 5
O D. 8

Answers

The answer is 6 Betis the highest exponent

1/4 K +1/4 M -2/3 K +5/9 M simplified

Answers

Answer:

-5/12k -11/36m

Step-by-step explanation:

PLZ HURRY IT'S URGENT!!!
What are the roots of the quadratic?
-3 and 0
-3 and 1
-1 and 3
-1 and -3

Answers

Answer:

Roots are also called x-intercepts or zeros. A quadratic function is graphically represented by a parabola with vertex located at the origin, below the x-axis, or above the x-axis. Therefore, a quadratic function may have one, two, or zero roots. are given by the quadratic formula.

Step-by-step explanation:

Help&EXPLAIN

Don’t use for points or I’ll take it back and report

Answers

147?... I believe that’s the answer.

The pool shown below is drawn to scale. If the actual diameter of the pool is 16 feet, then what is the actual depth of the pool?

Answers

Answer:

10.67

Step-by-step explanation:

Karen purchased a DVD player on sale. The original selling price was ​$171.50. The sale price was ​$145.22. What is the first step in finding the percent​ markdown? Find the percent markdown.

Answers

Answer:

15% off

Step-by-step explanation:

Answer:

i need help go to my question from this brainly.com/question/25995862

Step-by-step explanation:

Which ordered pair is the solution set for this system of equations?
x + y = 8
y = x - 3

Answers

Answer:

(11/2, 5/2)

Step-by-step explanation:

x+x-3=8

2x=11

x= 11/2

y= 11/2-3

y= 5/2

what is 1 4/5 + (-3 4/10) show your work !

Answers

Answer:

[tex]-\frac{8}{5} = -1\frac{3}{5}[/tex]

Step-by-step explanation:

[tex]1 \frac{4}{5} = \frac{9}{5}[/tex]

[tex]-3 \frac{4}{10} = -\frac{34}{10} = -\frac{17}{5}[/tex]

Multiply the whole number by the denominator and add that to the numerator. I simplified [tex]-\frac{34}{10}[/tex] by dividing by two getting [tex]-\frac{17}{5}[/tex]. Then add [tex]\frac{9}{5}[/tex] and [tex]-\frac{17}{5}[/tex] together. Then put [tex]-\frac{8}{5}[/tex] into a mixed fraction. How many times does 5 go into 8 and what is the remainder? The answer is -1 times and the remainder is 3. The mixed fraction is [tex]-1 \frac{3}{5}[/tex].

The expression 1 4/10 + (-3 4/10 gives the value -1 3/5.

What are Mixed Fractions?

Mixed fractions are type of fractions which consist of a whole number part and a fractional part.

Mixed fractions are of the form a b/c where a is the whole number part and b/c is the fractional part.

Given expression is,

1 4/5 + (-3 4/10)

Since a positive and negative combined, it becomes negative.

Also mixed fractions can be converted into improper fractions.

1 4/5 + (-3 4/10) = 1 4/5 - 3 4/10

                         = [(1 × 5 + 4) / 5] - [(3 × 10 + 4) / 10]

                         = (9 / 5) - (34 / 10)

Making the denominator of first fraction equal by multiplying with 2 on both numerator and denominator,

1 4/5 + (-3 4/10) = [(9 × 2) / (5 × 2)] - [34 / 10]

                         = (18 / 10) - (34 / 10)

                         = -16 / 10

                         = -1 6/10

                         = -1 3/5

Hence the value of the expression is -1 3/5.

Learn more about Mixed Fractions here :

https://brainly.com/question/29264210

#SPJ2

what is this ???? ??????????????

Answers

Answer:

I READY

Step-by-step explanation:

is this linear or non linear?
x. 0,2,4,6
y. 2,6,18,38

Answers

i’m pretty sure that will be linear.

15/3 x 2/2= what is the answer there are more than one I need help fast

Answers

Answer:

the answer is 5

Step-by-step explanation:

15/3=5

2/2=1

5×1=5

Answer:

5

Step-by-step explanation:

First multiply the numerators and denominators.

15 x 2 = 30

3 x 2 = 6

Then divide

30/6 = 5

26 divided by 1690 help please once again

Answers

Answer:

[tex]26 \div 1690 \\ = 0.0154[/tex]


What is the measure of Angles are not necessarily drawn to scale.

I hate math

Answers

x= 139°

180-41= 139°

hope this helped:)

PLEASE HELP MATH MIDTERM
Find the measure of angle A. Round only your final answer to the nearest hundredth.

Answers

Answer:

73.74 degrees

Step-by-step explanation:

What is the answer to 1014.16667 rounded to the nearest tenths

Answers

Answer:

I believe it would still be 1014.16...etc

because if the 1 after the decimal were a 5, then it would be 1015..., but even if you were to round the one to 2, that is still under 5...

so I think it'd remain the same.

Need help pls will give crown
2. A bag of dog food weighs 40 lb. By weight, 16% of the ingredients is turkey. Find the weight of turkey in the dog food.

a) Show the work to set up the problem. You may either use the percent equation, set up a proportion, or use a ratio table but SHOW YOUR WORK.






b) What is the weight of the turkey in the dog food according to your work in part a? Solve and show your work.

Answers

Answer: 6.4 is ur answer

Step-by-step explanation:

U need to multiply 40 and 16

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