Mathematics Middle School

what is the value of the expression ((9-5)2 - 1 ) divided by 3?

Answers

Answer 1

Answer:

Step-by-step explanation:

=(4^2-1):3=15:3=5

Answer 2

Answer:

Option C

Step-by-step explanation:

[{9 - 5}² - 1] ÷ 3

=> [{4}² - 1] ÷ 3

=> [16 - 1] ÷ 3

=> 15 ÷ 3

=> 5

Therefore, 5 is our answer.

Related Questions

Create a system of equations that includes:

One linear equation

And one quadratic equation

Then Show all work to solving your system of equations algebraically.

Answers

Answer:

y = 2x (linear)

y = x^2 (quadratic)

Now to solve, we can set them equal to each other since they are both equal to y.

x^2 = 2x

Now to solve for the appropriate values of x, set equal to zero and factor.

x^2 = 2x ---> subtract 2x from both sides

x^2 - 2x = 0 ----> now factor out an x.

x(x - 2) = 0

Now to get the values of x, set each factored part equal to 0 on their own.

x = 0

x - 2 = 0

x = 2

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Answers

Answer:

D. 36.9

Explanation:

three-fifths of 61.5 is 36.9!

Answer:

D. 36.9

Step-by-step explanation:

The total amount of gallons the gardener typically uses in a month is 61.5 gallons. Since the gardener used 3/5 gallons, we know that 5/5 is 61.5 gallons. So you would have to divide 61.5 by 5 in order to get 1/5 of the gallons which would be 12.3. Then you have to multiply the 12.3 by 3 in order to get 3/5 of how much the gardener used which is 39.9 gallons. I hope this helped!

An isosceles triangle has an angle that measures 126°. Which other angles could be in that isosceles triangle? Choose all that apply.

27°
69°
127°
17°

Answers

Answer:

Step-by-step explanation:

Since triangles have only 180 degrees in a triangle we can rule out the option that 126 degrees is another angle. So subtract 126 from 180 and you get 54. Then you divide 54 by 2 and get 27.

x-12-23+7.5=1 ; what is the value of x?

Answers

Answer:

X=28.5

Step-by-step explanation:

Hope this helps!

Answer:

x=28.5

Step-by-step explanation:

x=1+12+23-7,5

x=13+23-7,5

x=36-7,5

x=28,5

:))

The table shows the relationship between the cost of monthly cell phone Plan A and the number of minutes used within a month. The equation c= 35+0.05m describes the relationships for the cost c in dollars for minutes m used for Plan B.

Time (min) Cost ($)
0 30.00
2 30.20
4 30.40

What is the difference, in dollars, of the total costs of the cell phone plans if a customer talks for 20 minutes?

$

Answers

Answer:

It should be $50.00.

Step-by-step explanation:

It shows that every 2 mins. adds 20 cents to the bill. I wrote out the numbers and did this:

6 30.60

8 30.80

10 40.00

12 40.20

14 40.40

16 40.60

18 40.80

20 50.00

Answer:

$50

Step-by-step explanation:

Ross drives 340 miles in 5 hours. If Ross continues to drive at the same rate, how many miles can he drive in 10 hours?

Answers

Answer:

Including the miles already driven: 680

Step-by-step explanation:

1. We can see that 5 is half of 10, or 1/2.

2. Times 340 by 2 because he has has already driven 1/2 of the time needed, so he needs to drive another 5 hours in order to complete the 10 hours needed.

Or: 340 x 2 = 680.

3. So in 10 hours he will have driven 680 miles.

Just Double 340 since 5 x 2 is 10! so 680 miles

What number would you subtract from both sides of the equation to solve for c?
c + 7 = -14
(Only write the number that you would subtract. Do no write the equation.)

Answers

To solve for c in the equation c + 7 = -14, you would subtract 7 from both sides of the equation.

you would have to subtract 7

Write 4,682.56 in expanded form.
(4 x 1000) + (6 x 100) + (8 x 10) + (2 x 1) + (5 x 0.1) + (6 x 0.01)
(4 x 1000) + (6 x 100) + (8 x 10) + (2 x 1) + (5 x 1/10) + (6 x 1/100)
4000 + 600 + 80 + 2 + 0.5 + 0.06
all of the above
will give brainliest

Answers

(4 x 1000) + (6 x 100) + (8 x 10) + (2 x 1) + (5 x0.1) + (6 x 0.01)

4000+600+80+2+0.5+0.06

4/5 of a number is 16. What is the number?

Answers

Answer:

Step-by-step explanation:

The answer is 20 I think

Attachment Below- Help Pls!

Answers

A, B and C would all mean that the hanger could be kept in balance.

84 is the product of Donnie's savings and 7
use the variable d to represent Donnie's savings

Answers

The equation would be d7=84

PLEASE HELP ME!!

Identify the set of ordered pairs that represents y as a function of x.

A - {(0, −2), (0, −1), (0, 1), (0, 2)}

B - {(0, 0), (1, 1), (1, 1), (3, 3)}

C - {(0, −2), (0, −1), (0, 1), (0, 2)}

D - {(−2, 0), (−1, 0), (1, 0), (2, 0)}

Answers

Answer:

I think it's d hopefully it is

pizza is the best yah

I NEED HELP ASAP with a science experiment give me ideas what experiments (mini-labs) I could do based on the task! READ THE SCREENSHOT

Answers

Answer: You should do a representation of how the heat and light waves reach humans on earth and keep us warm.

Step-by-step explanation:

all your answers are already in the task introduction.

1. Make earth out of styrofoam ball (buy at a dollar store) and paint. (blue and green). (If you want to make humans out of popsicle sticks)

2. Use velvet pipe cleaners (blue for cold air and red for hot air) to represent convection and conduction.

3. Use yellow pipe cleaners for solar energy to represent radiation.

4. Rest is up to you for how you want it to look.

I don’t know none of this type of work

An architect makes a model of a new house. The model shows a tile patio in the backyard. In the model, each tile has a length of 1/3 in and a width of 1/4 in The actual tiles have a length of 1/4 ft and a width of 3/16 ft. What is the ratio of the length of a tile in the model to the length of an actual tile? What is the ratio of the area of a tile in the model to the area of an actual tile? Use pencil and paper. Describe two ways to find each ratio.

Answers

Answer:

1:8 and 1:64

Step-by-step explanation:

(i think)

Answer:

The answer is...1/9 and then 1/81

Step-by-step explanation:

No prob

Apply Laws of Exponents to write an equivalent expression.
d^6df^0
1. d^7df
2. d^7
3. f^7
4. d^6f

Answers

Answer: 4

Step-by-step explanation:

i think it is 4

I think it’s 4 I don’t know tho i just started learning this

SUBTRACT 99 POINTS FROM MIXED NUMBERS, PLEASE PROVIDE PROOF!

Answers

Answer:

2 5/18

Step-by-step explanation:

7 2/3 - 3 1/6 - 2 2/9 = Given 7 12/18 - 3 3/18 - 2 4/18 = Bring to common denominator of 18(7 - 3 - 2) + (12 - 3 - 4)/18 = Group integers and fractions2 + 5/18 = Simplify2 5/18 Answer

The correct answer is 2 5/18

The first step is to find a common denominator. (I will be using • to represent multiplication) The lowest common denominator that 3, 6, and 9 share is 18.
3 • 6 = 18
6 • 3 = 18
9 • 2 = 18

To rewrite your numbers using 18 as a denominator, you must multiply the numerator and denominator by the same number.
Since 3 • 6 = 18, 7 2/3 will be rewritten as
7 12/18 (since 2 • 6 = 12) we don’t have to worry about the whole number (7), so leave it as it is.

3 1/6 can be rewritten as
3 3/18, since 6 • 3 = 18 and 3 • 6 = 18
Once again we leave the whole number alone

2 2/9 can be rewritten as
2 4/18, since 9 • 2 = 18 and 2 • 2 = 4

Now we simply subtract our whole numbers and our fractions. Let’s first subtract our whole numbers.

7 - 3 - 2 = 2

Now we can subtract our fractions. Remember that when we subtract fractions, the denominator stays the same. In other words, we only subtract the numerator and ignore the denominator.

12/18 - 3/18 - 4/18 = 5/18

Therefore youre solution is

2 5/18

If you have any questions either about this equations or any other problems within this topic just reply under this answer and I’ll do my best to assist you! Hope this helps and good luck!

Please do your best, thank you so much brainliest and points

Answers

Answer:

$\textsf{A.} \quad \left(- \infty, -\dfrac{11}{3}\right]$

Step-by-step explanation:

Given inequality:

$\dfrac{6x+2}{5}-\dfrac{3x-7}{9} \leq -2$

Make the denominators of both fractions the same by multiplying the numerator and denominator of the first fraction by 9, and multiplying the numerator and denominator of the second fraction by 5:

$\implies \dfrac{9(6x+2)}{9 \cdot 5}-\dfrac{5(3x-7)}{9 \cdot 5} \leq -2$

$\implies \dfrac{54x+18}{45}-\dfrac{15x-35}{45} \leq -2$

$\textsf{Combine the fractions by applying the fraction rule} \quad \dfrac{a}{c}-\dfrac{b}{c}=\dfrac{a-b}{c}:$

$\implies \dfrac{54x+18-(15x-35)}{45} \leq -2$

$\implies \dfrac{54x+18-15x+35}{45} \leq -2$

$\implies \dfrac{39x+53}{45} \leq -2$

Multiply both sides of the inequality by 45:

$\implies \dfrac{39x+53}{45}\cdot 45 \leq -2 \cdot 45$

$\implies 39x+53\leq -90$

Subtract 53 from both sides:

$\implies 39x+53-53\leq -90-53$

$\implies 39x\leq -143$

Divide both sides by 39:

$\implies \dfrac{39x}{39}\leq \dfrac{-143}{39}$

$\implies x\leq -\dfrac{11}{3}$

Therefore, the solution set in interval notation is:

$\left(- \infty, -\dfrac{11}{3}\right]$

Find 5/6(−4 x 2/7). Write your answer in simplest form.

Answers

-0.96
If you look up that exact equation on google you get -0.952380952 and you just round it to get -0.96

I got -0.96(rounded) and as a fraction -20/21

HELP PLEASE!!
Find YZ and XZ.

Answers

XZ=6.25 because( -4+16.5)\2 is 6.25
YZ=same thing for the next 14.2

Step-by-step explanation:

YZ = 11.9x16.5

Answer= 196.35

XZ= -4x16.5

Answer= -66

please help me!!!!!!!!!!!!

Answers

Answer:

A. x inches B. 19 inches

Step-by-step explanation:

If red ribbon is always 7 inches less than the blue ribbon then the blue ribbon is 7 inches more. So 12 inches is red ribbon and the blue ribbon has to be 7 inches more, so b. 19 inches.

Hope this helps

Honestly I don’t know I have to answer some questions

PLEASE HELP, ITS URGENT

Answers

Answer:

3x+.6y+12

Step-by-step explanation:

DIvide everything by -4:

-12x+2.4y-48

-12x/-4=12x/4=3x

2.4y/-4=-.6y

-48/-4=12

Mrs. Parson bought 12 pounds 8 ounces of flour. If she uses 4 ounces of flour for each batch of sugar cookies, how many batches of sugar cookies can she make?

Answers

Answer:

Convert everything to ounces first: There are 16 ounces in a single pound. The number of ounces in 12 pounds = 12 * 16 = 192 ounces. Now need to get the ...

Step-by-step explanation:

find expressions equivalent to -8(3x-2)

Answers

Answer:24 x + 16

Explanation:

We use the distributive rule to handle this situation, which says:

a (b + c) = a b + a c and so we have 8(3x+2)= 24x + 16

-8(3x-2)
-8*3x+(-8)*-2
-24x+16

This is the answer

what is number 1 answered and 2 answers

Answers

Answer:

1 : B

2: 196

PLEASE MARK ME AS BRAINLIEST

Answer:

1. b

2. c

Step-by-step explanation:

Is this statement true or false?
16 of 250 is equal to 250 of 16

Answers

Answer:

Yes, they both equal 40

Hope I helped and if you want an explanation just ask me!

Answer:

True

Step-by-step explanation:

Both equal 40.

Expressions in brackets should always be calculated first. If there are no brackets in an algebraic expression, it means that multiplication and division must be done first, and addition and subtraction afterwards.

Answers

Answer:

This statement is true

Step-by-step explanation:

the ratio of the number of oranges to apples to bananas is 8:5:2. if there are 120 fruits in total, how many bananas are there

Answers

Answer:

Step-by-step explanation:

To find the number of bananas, we need to determine the proportion of bananas in the total number of fruits based on the given ratio.

Let's assume that the ratio of oranges, apples, and bananas can be represented by 8x, 5x, and 2x, respectively, where x is a common multiplier.

The sum of the parts in the ratio is 8x + 5x + 2x = 15x.

We know that the total number of fruits is 120. Therefore, we can set up the following equation:

15x = 120

To solve for x, we divide both sides of the equation by 15:

x = 120 / 15

x = 8

Now that we know the value of x, we can find the number of bananas by multiplying it by the corresponding part of the ratio:

Number of bananas = 2x = 2 * 8 = 16

So, there are 16 bananas in total.

We can add all the parts to the ratio and get 15. Out of 15 parts, 2 are bananas. Now we can calculate how many fruits are in one part. One fifteenth of 120 is 8, so there are 8 fruits in one part. 2 parts are bananas, so multiplying 8 with 2 gives us our answer, 16.

Zalen surveyed his classmates about the number of pets they had in their homes. He displayed the results in this dot plot. How many people did Zalen survey?

Please help me

Answers

Well I would answer it but I don’t see the dot plot lol

Wait so you basicly and then so after that u and so after u do that u then do that so your answer would be , hope this helps!

Drag and drop the events to order them according to when they happened. Put the first event at the top and the last event at the bottom.
Arrange responses in the correct order to answer the question. Select a response, navigate to the desired position and insert response at that position. Responses can PLEASE HELP WLL GIVE BRAINLIEST. Be selected and inserted using the space bar, enter key, left mouse button, or touchpad. Responses can be moved using the up and down arrow keys or by dragging with a mouse. PUT THEM IN ORDER 1. Boston massacre 2. Intolerable Acts 3. Boston tea party 4. Quartering Act
Thanks so much!! <:

Answers

Answer:

Step-by-step explanation:

2. 1. 3. 4.

Answer:

First (earliest) : Quartering Act (1765)

Second: Boston Massacre (1770)

Third: Boston Tea Party (1773)

Fourth (latest): Intolerable Acts (1774)

Hope this helps!

Please help please help please help I suck at math

Answers

She messed up and put 3 time 2 for 3 squared when you square something you multiply it by itself so it would be 3 times 3 which is 9

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