9^2 ÷ (2 + 1) × (30 - 3^3)
9^2 ÷ (2 + 1) × (30 - 3^3)

Answers

Answer 1

Answer:81

Step-by-step explanation:

Answer 2

Answer:

81

Step-by-step explanation:

9^2 ÷ (2 + 1) × (30 - 3^3) =

= 81 ÷ 3 × (30 - 27)

= 27 × 3

= 81


Related Questions

(2x^3-3x^2-19x+30)/(x-3)

Answers

Answer:

2x^3 + 3x - 10

Step-by-step explanation:

dkdoodwoskfkvglelwldlgltwkqkdof the answer is -8

Which is NOT a factor affecting your Credit Score? Question 1 options: A.Types of Credit B. Salary C.Payment History D.Length of Credit History

Answers

Answer:

B salary

Step-by-step explanation:

Your employment status, salary, and bank account balances are never disclosed on your report and have no bearing on your rating.

What impact of Salary on Credit Score?

Although your income has no bearing on your credit score, it's still crucial to understand the five key components of a FICO credit score, the most widely used credit score by lenders.

History of payments (35%): Your credit score is mostly influenced by whether you have a history of making on-time payments on your credit accounts.

Your salary does not directly affect your credit score, but it does affect your ability to pay off credit card debt.

Therefore, Your race, gender, marital status, level of education, religion, political party, or source of income are all factors that are never taken into account when calculating your credit ratings.

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I need help with my ixl problem please help as soon as possible and tell me what the blanks are pls

Answers

This equation would be y = 4x-7 because if you plug in the point (3,5) 4 times 3 is twelve and 12 minus 7 is 5

Convert 6 4/5 into an improper fraction

Answers

Answer:

34/5

Step-by-step explanation:

6*5=30 + 4 = 34

34/5

Final answer:

The mixed number 6 4/5 can be converted into an improper fraction by multiplying the whole part by the denominator and adding the numerator to the result, giving us 34/5.

Explanation:

To convert the mixed number 6 4/5 into an improper fraction, you follow these steps:

Multiply the whole part of the mixed number (which is 6 in this case) by the denominator of the fractional part (which is 5).Add the result to the numerator of the fractional part (which is 4). This is your new numerator.The denominator of the improper fraction remains the same as the denominator of the fractional part in the mixed number.

So, (6*5)+ 4 = 34. Therefore, the mixed number 6 4/5 can be written as the improper fraction 34/5.

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a bookstore employee is given a 20% discount off the retail price of any book. assuming there is no tax, how many dollars does she pay for a book with a retail price of $55?

Answers

Answer:

 = $ 49.5

Step-by-step explanation:

We are given;

Discount off retail price is 20%Retail price is $55

Required to determine the amount paid

Taking the retail price as 100%

Then, amount paid will be (100 % - 10%) 90% of the retail price

Therefore;

Amount paid = 90% × $ 55

                     = 0.9 × $ 55

                     = $ 49.5

Thus, the employee paid $ 49.5 for the book.

A shelf contains 28 boxes of cereal. Each box has a mass of 375 grams.
Which equation can you use to find the total mass of the boxes?
What is the total mass, m, in grams of all the boxes?
A.28 + 375 = m; m = 403 grams
B.28 x 375 = m; m = 1,050 grams
C.28 x 375 = m; m = 10,500 grams
D.28 x 375 =m; m = 11,500 grams

Answers

Answer:

Step-by-step explanation:

each box is 375 grams...and there are 28 boxes

total mass(m) = 28 * 375 = 10,500 grams

The weight of all the boxes of cereals can be found by the equation (C) "28 x 375 = m" and the weight is 10,500 grams.

What are equations?Two expressions are combined by the equal sign to form a mathematical statement known as an equation. Algebraically speaking, an equation is a statement that shows the equality of two mathematical expressions. For instance, the two equations 3x + 5 and 14, which are separated by the 'equal' sign, make up the equation 3x + 5 = 14.

So, the total mass of all the boxes:

The number of boxes is 28.Each box weighs 375 grams.

Then, calculate as follows:

375 × 28 = m375 × 28 = 10,500 grams

So, option (C) is correct.

Therefore, the weight of all the boxes of cereals can be found by the equation (C) "28 x 375 = m" and the weight is 10,500 grams.

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I need answer for this​

Answers

The perimeter of the garden is 57.14 m and

the total area of the garden is 178.28 sq. m.

Solution:

Given length of the rectangle = 16 m

Width of the rectangle = 8 m

Radius of the semi-circle = half of the width of the rectangle

Radius = 4 cm

Perimeter of the garden is two lengths of the rectangle and 2 curve sides of the semi-circle.

Perimeter = [tex]2l+2(\frac{2\pi r}{2} )[/tex]

               = [tex]2l+2\pi r[/tex]

               = [tex]2(16)+2\times\frac{22}{7}\times4[/tex]

               = 32 + 25.14

               = 57.14 m

Total area of the garden is the area of the rectangle and area of the two semi-circles.

Area of the garden = [tex](l\times w)+ 2(\frac{\pi r^2}{2})[/tex]

                              = [tex](l\times w)+ \pi r^2[/tex]

                              = [tex]16\times8+\frac{22}{7} \times 4\times 4[/tex]

                              = 128 + 50.28

                              = 178.28 square meter

Hence, the perimeter of the garden is 57.14 m and

the total area of the garden is 178.28 sq. m.

A 5000​-seat theater has tickets for sale at ​$26 and ​$40. How many tickets should be sold at each price for a sellout performance to generate a total revenue of ​$149 comma 600​?

Answers

Answer:

3,600 from $26 tickets  and  1,400 from $40 tickets.  

Step-by-step explanation:

Let x = number of $26 tickets and y= number of $40 tickets

x + y = 5000  ⇒ x = 5000 - y

26x + 40y = 149,600

26(5000 - y) + 40y = 149600

130,000 - 26y + 40y = 149600

14y = 19600

y = 19600/14 = 1,400

x = 5000 - 1400 = 3,600

So, 3,600 from $26 tickets  and  1,400 from $40 tickets.

Final answer:

To determine the number of tickets sold at each price, set up a system of equations using the given information and solve for the variables.

Explanation:

To determine how many tickets should be sold at each price, we can set up a system of equations using the given information.

Let's assume the number of $26 tickets sold is x and the number of $40 tickets sold is y.

The total number of tickets sold is x + y, so we have the equation x + y = 5000.

The revenue generated from $26 tickets is 26x, and the revenue generated from $40 tickets is 40y. The total revenue

is given as $149,600, so we have the equation 26x + 40y = 149600.

Solving this system of equations will give us the values of x and y.

Find the value of two numbers if their sum is 13 and their difference is 3

Answers

Consider the two numbers as

x and y

. From the given data, we write:

x−y=3

x+y=13

From the first equation, we determine a value for x.

x−y=3

Add y to both sides.

x=y+3

In the second equation, substitute x with (y+3).

x+y=13

(y+3)+y=13

Open the brackets and simplify.

y+3+y=13

2y+3=13

Subtract 3 from each side.

2y=10

Divide both sides by 2.

y=5

In the first equation, substitute y with 5.

x−y=3

x−5=3

Add 5 to each side.

x=8

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Jesus spent 1/4 of his money on a pizza and 1/4 of his money on salad. What fraction of his money did Jesus spend on dinner?

Answers

Answer:

2/4 of his money was spent on dinner

Step-by-step explanation:

Answer:

2/4 or 1/2 of his money of dinner

Step-by-step explanation:

When using your brain you come to the conclusion that the pizza and the salad is his dinner because it is food, so we add those two fractions together to get 2 out of 4 or 1 out of 2.

the rent is 7.50

write an algebra expression to represent the cost to rent a luxury car for x days

Answers

Answer:

Step-by-step explanation:

Rent cost 7.50

For x days the rent to pay = 7.50×n

= 7.50n

what is the solution of |-1 + x| = 5

Answers

Answer:

6, -4

Step-by-step explanation:

abs(-1+x)=5

-1+x=5 and -1+x=-5

-------------------------

-1+x=5

x=5-(-1)=5+1=6

-------------------

-1+x=-5

x=-5-(-1)=-5+1=-4

2 3/4+3 5/8 simplified

Answers

[tex]2\frac{3}{4}+3 \frac{5}{8}=6\frac{3}{8}[/tex]

Solution:

Given expression is [tex]2\frac{3}{4}+3 \frac{5}{8}[/tex].

To simplify the expression [tex]2\frac{3}{4}+3 \frac{5}{8}.[/tex]

Let us first convert the mixed fraction into improper fraction.

[tex]2\frac{3}{4}+3 \frac{5}{8}=\frac{(2\times 4) + 3}{4}+ \frac{(3 \times 8)+5}{8}[/tex]

            [tex]=\frac{8+ 3}{4}+ \frac{24+5}{8}[/tex]

            [tex]=\frac{11}{4}+ \frac{29}{8}[/tex]

Take LCM for the denominators (LCM of 4, 8 = 8) and make the same.

            [tex]=\frac{11\times2}{4\times 2}+ \frac{29\times1}{8\times1}[/tex]

            [tex]=\frac{22}{8}+ \frac{29}{8}[/tex]

            [tex]=\frac{51}{8}[/tex]

Now, divide 51 by 8 and again write it in the mixed fraction.

             [tex]=6\frac{3}{8}[/tex]

[tex]2\frac{3}{4}+3 \frac{5}{8}=6\frac{3}{8}[/tex]

Hence, the simplified answer is [tex]6\frac{3}{8}[/tex].

Solve the 2 step equation 3x+3=15

Answers

Subtract the entire equation by 3: 3x = 12

Lastly, divide by 3 to get x alone: x = 4

Answer: 4

Step-by-step explanation:

3x+3=15

    -3 -3

3x    12

3      3

x= 4

Is 1/4 and 3/12 equal

Answers

1/4=.25

3/12=.25

yes they are equal

Trapezoid JKLM is is shown below. What is the length in centimeters, of KL

Answers

The complete question is:

Trapezoid JKLM is shown below.

What is the length, in centimeters, of KL ?

A. 12 cm

B. 10 cm

C. 9 cm

D.  6 cm

The mentioned figure is attached.

Answer:

[tex]\large\boxed{option\text{ B. }(\overline{KL})=10cm}[/tex]

Explanation:

1. KL is the hypotenuse of a right triangle; hence, you can use Pythagora's theorem to find its length.

2. The height 8 cm is one leg of the right triangle.

3. The other leg may be found by difference:

     [tex]\overline{ML} -\overline{JK}=15cm-9cm=6cm[/tex]

4. Now you can use Pythagora's theorem:

[tex]hypotenuse^2=(leg_1)^2+(leg_2)^2\\ \\ (\overline{KL})^2=(8cm)^2+(6cm)^2\\ \\ (\overline{KL})^2=64cm^2+36cm^2=100cm^2\\ \\ (\overline{KL})=10cm[/tex]

An index has a length of 7 cm and width of 4 cm. What it’s perimeter?

Answers

Answer:

22

Step-by-step explanation:

7+7+4+4=22

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. Two marbles are chosen from the bag. What expression would give the probability that one marble is yellow and the other marble is red?

Answers

Answer:

The second choice

Step-by-step explanation:

Answer:

Step-by-step explanation:

0.971

This is the correct answer.

Do these rates form a proportion?
21 miles in 6hours and 14.3 miles in 3 hours

Answers

Answer:

These rates DO NOT  form a proportion.

Step-by-step explanation:

Two quantities P and Q are said to be in proportion is and only if:

[tex]\frac{P}{Q} = k[/tex]  for all values of P and Q.

here, k = Proportionality Constant.

Case 1: when P =  21 miles , Q  = 6 hours

[tex]\frac{P}{Q} = \frac{21}{6} = 3.5[/tex]

⇒  k 1 = 3.5

Case 2: when P =  14.3 miles , Q  = 3 hours

[tex]\frac{P}{Q} = \frac{14.3}{3} = 4.76[/tex]

⇒  k 2 = 4.76

As we can see in both the cases, k 1 ≠ k 2

Hence, P is NOT PROPORTIONAL to Q.

So, these rates DO NOT  form a proportion.

Mariko says that the graph that passes through (-3,-3), (-3,0), and (-3,3) represents a
linear function. Is she correct? Explain your reasoning.​

Answers

Answer:

The graph that passes through (-3,-3), (-3,0), and (-3,3) does not represents a linear function.

Step-by-step explanation:

The graph that passes through (-3,-3), (-3,0), and (-3,3) does not represents a linear function. Because if we tried to find the slope for either two pairs of these coordinates. The slope would equal infinity

Lets say we find the slope of (-3,-3) and (-3,0)

[tex]\frac{-3-0}{(-3)-(-3)} =\frac{-3}{0}[/tex]  Slope = [tex]\infty}[/tex]

Now lets say we find the slope of (-3,0) and (-3,3)

[tex]\frac{0-3}{(-3)-(-3)} =\frac{-3}{0}[/tex] Slope = [tex]\infty[/tex]

So now we can see that both lines of each slope is parallel to the y-axis which means that the lines a Undefined Slope (also known as Infinite Slope).

Divide 7.956 . 10-6 by 2.55 - 10-3

Answers

Answer: 3.12 x 10^-3

Step-by-step explanation:

How do I find the area

Answers

Answer:

73.12 yd²

Step-by-step explanation:

Find the triangle first

A=½bh

a=½×12×8

a=6×8

a=48->triangle

semicircle=

a=½×pi×r²

a=½×3.14×4²

a=½×3.14×16

a=8×3.14

a=25.12

add these two

48+25.12=73.12 yd²

You multiply 12 by 8 and you get 96, did I help?????

How to solve the word problem The ant walked 53 cm. The caterpillar crawled 22 cm farther than the ant. How far did the caterpillar crawl?

Answers

If the caterpillar crawled 22cm farther than the ant, then we are adding 53 and 22 to get 75cm.

Answer:

75cm

Step-by-step explanation:

53 + 22 = 75

A used car is for sale for $24,000. Jared took a chance and offered the owner 1/4 of the selling price. How much did Jared offer?

Answers

Answer:

Jared offer $6,000.

Step-by-step explanation:

Given:

A used car is for sale for $24,000. Jared took a chance and offered the owner 1/4 of the selling price.

Now, to find the price Jared offer.

Selling price = $24,000.

Jared offer = [tex]\frac{1}{4}[/tex]  of selling price.

So, to get the price Jared offer:

[tex]\frac{1}{4}\ of\ \$24000[/tex]

[tex]=\frac{1}{4} \times 24000[/tex]

[tex]=\frac{24000}{4}[/tex]

[tex]=\$6000.[/tex]

Therefore, Jared offer $6,000.

Y=1/3x-4; y=7/3x+4 solve by substitution

Answers

Answer Problem 1: 3*(y+4)

Show Work:

1) y = (1/3)*x-4 // - (1/3)*x-4

2)  y-((1/3)*x)+4 = 0

3) (-1/3)*x+y+4 = 0

4)  y-1/3*x+4 = 0 // - y+4

5)  -1/3*x = -(y+4) // : -1/3

6)  x = (-(y+4))/(-1/3)

7)  x = 3*(y+4)

8) x = 3*(y+4)

Answer Problem 2: Y=-7/12

Show Work:

Step 1: Flip the equation.

7/3 x+4=y

Step 2: Add -4 to both sides.

7/3x+4+−4=y+−4

7/3x=y−4

Step 3: Divide both sides by 7/3.

Darcy harvest 8 3/4 acres of corn every 5/6 of an hour. How many acres per hour?

Answers

Answer:

The answer is [tex]10\frac{1}{2}\ per\ hour.[/tex]

Step-by-step explanation:

Given:

Darcy harvest 8 3/4 acres of corn every 5/6 of an hour.

Now, to find the acres per hour it takes to harvest.

Darcy harvest = [tex]8\frac{3}{4}=\frac{35}{4}\ acres.[/tex]

The time he took to harvest = [tex]\frac{5}{6}\ hour.[/tex]

So, to get the acres per hour we put formula:

[tex]Distance = \frac{35}{4}\ acres.[/tex]

[tex]Time=\frac{5}{6}\ hour.[/tex]

[tex]Speed=\frac{distance}{time}[/tex]

[tex]Speed=\frac{\frac{35}{4}}{\frac{5}{6}}[/tex]

[tex]Speed=\frac{35}{4}\times \frac{6}{5}[/tex]

[tex]Speed=\frac{210}{20}[/tex]

[tex]Speed=\frac{21}{2}[/tex]

[tex]Speed=10\frac{1}{2}\ per\ hour.[/tex]

Therefore, the answer is [tex]10\frac{1}{2}\ per\ hour.[/tex]

Point R is the midpoint of line QS. R is located at (5, -7.5) S is located at (-1,-13) What is the location of Point Q?

Answers

Answer: ( 11, -2 )

Step-by-step explanation:

The mid point of a line is calculated using the formula:

M = ([tex]\frac{x_{1}+x_{2}}{2}[/tex] , [tex]\frac{y_{1}+y_{2}}{2}[/tex] )

From the question , the mid point is already given , substituting , we have :

(5 , - 7.5 ) = ([tex]\frac{x-1}{2}[/tex] , [tex]\frac{y-13}{2}[/tex] )

Equating the x component to x and the y component to y , we have

5 = [tex]\frac{x-1}{2}[/tex]

x - 1 = 10

x = 11

Also

- 7.5 = [tex]\frac{y-13}{2}[/tex]

-15 = y - 13

-15 + 13 = y

Therefore : y = -2

Therefore : the location of point P is ( 11, -2 )

Find the equation of the line that passes through the point (-1, 2) and that has a
slope of 4.
Oy=2x-1
Oy=-1*+6
Oy= 4x+6
Oy=12-1

Answers

Answer:

y = 4x + 6

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 4, thus

y = 4x + c ← is the partial equation

To find c substitute (- 1, 2) into the partial equation

2 = - 4 + c ⇒ c = 2 + 4 = 6

y = 4x + 6 ← equation of line

NEED HELP PLEASE!
Fill in the blank with the correct response. If 3/4 = x/8, then x is equal to.
THANKS!

Answers

to find this answer, we can cross multiply. cross multiplying multiples the denominator of one fraction by the numerator of the other, and then the numerator of one fraction by the denominator of the other (a/b=c/d, cross multiply to get ad = bc.) in this case, it would be 3*8= 4*x, so 24 = 4x. divide both sides by 4 to get x = 6.

answer x = 8

because 3/4 times 2 equals 6/8 so the solution is 6/8

Let u = <-3,4>, v = <8, 2>. Find u + v.

Answers

Answer:   < 5, 6 >

=================================================

Explanation:

In general if

u = < a, b > and v = < c, d >

then,

u+v = < a+c, b+d >

Basically we add the x coordinates separately and the y coordinates are added separately.

----------

So,

u = < -3, 4 >

v = < 8, 2 >

u + v = < -3+8, 4+2 >

u + v = < 5, 6 >

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