how do you solve distributive properties ?? and pre algebraic expressions/equations i have a test over it all and i'm in 7th grade plz help ASAP

Answers

Answer 1

Answer:

I was totally in your shoes then..

Step-by-step explanation:

Watch Fort Bend Tutoring on YT, he got me through those math problems...I can assure it will help, and he makes Math fun


Related Questions

what is wrong with the equation? ​

Answers

The answer to the question in the picture is x=8

Answer:

  x = 3

Step-by-step explanation:

We don't know what equation you think is wrong.

__

The solution to the problem is ...

  x/2 +x/6 = 2

  x(1/2 +1/6) = 2 . . . . working using the given fractions

  x(3/6 +1/6) = 2

  x(4/6) = 2

  x(2/3) = 2

  x = (3/2)(2)

  x = 3

__

We can also work this by eliminating fractions first.

  x/2 +x/6 = 2

  3x +x = 12 . . . . multiply the equation by 6

  4x = 12 . . . . . . .collect terms

  x = 3 . . . . . . . . .divide by 4

For each menu item at a fast food restaurant, the fat content (in grams) and the

number of calories were recorded. A scatterplot of these data is given:

Sparta

The restaurant decides to add six new high-calorie, low-fat pasta dishes to its menu.

What is a plausible value for the new correlation coefficient describing the

relationship between fat and calories?

Oa) 0.7

Ob) 10.7

C) 0.2

d) 0.2

Answers

Answer:

The answer is "Option a".

Step-by-step explanation:

please find the attached file.

In the given question, the positive correlation shows the scatterplot and, by adding six now higher calories, low-fat pasta, is the positive value for the new correlation of the coefficient will be decreasing.

In this question, the points are more close to the line and increasing from left to right, which can be mostly like, that's why the choice "a" is correct.

Can anyone find X
Help, please

Answers

i’m honestly not sure if this is right but...
5x-3= 3x+1
5x= 3x+4
2x =4
x=2

Which of the following show the Associative Property?
A. 3 + 8 + 9 = 9 + 3 + 8
B. (3-8) - 9 = 3 - (8 - 9)
C. None of these
D. (3 + 8) - 9 = 3 + (8 + 9)

Answers

A. I think because it all equal the same


Ms. Lincoln has a bucket full of pencils that she would like to divide up equally to her 28 students. If each student got 3 pencils, how many did she start with

Answers

Answer:

84

Step-by-step explanation:

28*3= 84

cuantos triangulos tiene un octagono ?

Answers

Answer:

8

Step-by-step explanation:

Se divide el octógono en ocho triángulos (T1, T2, T3, T4, T5, T6, T7 y T8) . Estos triángulos cumplen que uno de sus lados es un lado del octógono y que todos confluyen en un mismo punto interior del octógono.

I need the definition of angle

Answers

Answer: D

Step-by-step explanation:

Two rays that have a common endpoint

The correct answer is D :)

(12p^2 + 15p + 3) - (2p^2 + 17p - 2)

Answers

Answer:

10p² - 2p + 5

Step-by-step explanation:

Step 1: Write expression

(12p² + 15p + 3) - (2p² + 17p - 2)

Step 2: Distribute negative

12p² + 15p + 3 - 2p² - 17p + 2

Step 3: Combine like terms

10p² - 2p + 5

The science club and the French club both ordered pizzas for their end-of-year banquets. After the banquets, the science club had 1 1/4 pizzas leftover and the French club had 2 5/24 pizzas leftover. Between the two clubs, how many total pizzas were leftover?

A. 23/24

B. 1 1/4

C. 3 1/4

D. 3 11/24

Answers

Answer:

[tex]3\frac{11}{24}[/tex]

Step-by-step explanation:

Given parameters:

Leftover pizza from the Science club = [tex]1\frac{1}{4}[/tex]

Left over pizza from french club  = [tex]2\frac{5}{24}[/tex]

Unknown;

Total left over pizzas between the two clubs = ?

Now to solve problem, simply add the leftover from the science club and the french club together;

      Total left over pizza  = [tex]1\frac{1}{4}[/tex]   + [tex]2\frac{5}{24}[/tex]  

                                         = [tex]\frac{5}{4} + \frac{53}{24}[/tex]  

                                         =  [tex]\frac{83}{24}[/tex]

                                         = [tex]3\frac{11}{24}[/tex]

The total left over pizza between the two clubs is [tex]3\frac{11}{24}[/tex]

Why does it make sense to call equations of the form 2,000=20x +10y linear equations?​

Answers

Step-by-step explanation:

because it's graph will always be a straight line as the values of x increases so does the values of y

1. 4 ⅙ ÷ 5
2. ⅝ ÷ ¾
3. ⅗ ÷ ⅜
4. ⅜ ÷ ⅝

i am dying help me.

Answers

Answer:

number 1 is 0.83333333333

Step-by-step explanation:

Answer: 1. 0.83 or fraction: 5/6

2. 0.83 or fraction: 5/6

3. 1.6 or as a fraction: 1 and 3/5 or improper: 8/5

4. 0.6 or as a fraction: 3/5

Hope this helps! :)

1. Which equation shows the proportional
relationship in the table?
Time (weeks) 2 5 10
Trees Planted 130 325 650
A y = 2x
B y = 65x
C y = 130x
D y = 2x + 130
please help.

Answers

Answer:

B. [tex] y = 65x [/tex]

Step-by-step explanation:

Equation showing a proportional relationship between two quantities, is usually written as [tex] y = kx [/tex]. Where,

y = output/dependent variable

x = input/independent variable

k = constant of proportionality that exists between each pair of values given.

In this case:

y = trees planted

x = time (weeks)

To find the constant of proportionality, k, use any given pair as (x, y). Let's use (10, 650).

Substitute y = 650 and x = 10 into [tex] y = kx [/tex], and solve for the value of k.

[tex] 650 = k(10) [/tex]

Divide both sides by 10

[tex] \frac{650}{10} = k [/tex]

[tex] 65 = k [/tex]

[tex] k = 65 [/tex]

Substitute k = 65 into [tex] y = kx [/tex] to generate the equation that shows the proportional relationship in the table:

[tex] y = 65x [/tex]

10. Jack’s mom gave him 50 chocolates. At Jack’s party, he gave each of his friends 6 chocolates. Unfortunately Jack was 4 pieces short, and one friend only got 2 pieces of chocolate. How many people were at Jack’s Party?
Step 1: Write an Equation:


Step 2: Solve the problem using your equation above. (Show what work you do.)






Step 3: Relate your answer back to the original word problem (Use Complete sentences)
Help I HAVE 5 MINUTES

Answers

Answer:

see below

Step-by-step explanation:

Let f = number of friends

all but one friend got 6 pieces   and 1 friend got 2  for a total of 50 pieces

6(f-1) + 2 = 50

Subtract 2 from each side

6(f-1) +2-2 = 50-2

6(f-1) = 48

Divide by 6

6(f-1)/6 = 48/6

f-1 = 8

Add 1 to each side

f-1+1=8+1

f=9

Jack has 9 friends at the party

With Jack and his mom, there are 11 people

Two years ago, Rita was three times older than Cheryl. In 3 years, Rita will be twice older than Cheryl. How old are the girls now?

Answers

Answer:

Cheryl's age = x = 7 years

Rita's age = y = 17 years

Step-by-step explanation:

Let

Cheryl's age = x

Rita's age = y

Two years ago, Rita was three times older than Cheryl

(y - 2) = 3(x - 2)

y - 2 = 3x - 6

y = 3x - 6 + 2

= 3x - 4

y = 3x - 4

In 3 years, Rita will be twice older than Cheryl

(y + 3) = 2(x + 3)

y + 3 = 2x + 6

y = 2x + 6 - 3

= 2x + 3

y = 2x + 3

Equate both equations

3x - 4 = 2x + 3

Collect like terms

3x - 2x = 3 + 4

x = 7 years

Substitute x = 7 into

y = 2x + 3

= 2(7) + 3

= 14 + 3

= 17

y = 17 years

Cheryl's age = x = 7 years

Rita's age = y = 17 years

210 sheets of paper is 7cm thick. How thick of a pile would 1260 sheets make?

Answers

42 cm because if you divide 210 and 1260 it will make 6 so u just multiply it by 7 and u get 42

32 ounces of maple syrup for $3.99 OR 48 ounces of syrup for $4.99

Answers

For 3.99 each ounce is 12 cents an ounce while the 48 ounce is 10 cents an ounce. So I think it would be the 48 ounce please mark brainliest

Elene went to a store where you can scoop your own popcorn and buy as much as you want. She bought 10 ounces of spicy popcorn for 2.50. How much does popcorn cost per ounce? How much popcorn can you buy per dollar? Write two different equations that represent this situation. Use for ounces of popcorn and for cost in dollars.

Answers

Answer: See explanation

Step-by-step explanation:

Fron the question, we are informed that she bought 10 ounces of spicy popcorn for $2.50.

a. How much does popcorn cost per ounce?

1 ounce of popcorn = $2.50/10 = $0.25

b. How much popcorn can you buy per dollar?

Since 1 ounce of popcorn cost $0.25, $1 can buy popcorn worth:

= $1/$0.25

= 4 ounce of popcorn.

The relationship between the ounce of popcorn and the amount spent is an illustration of a linear function.

The cost per ounce is $0.25The amount of popcorn for $1 is 4 ounces

From the question, we have:

[tex]\mathbf{10oz - \$2.50}[/tex]

(a) The cost per ounce

To do this, we simply divide both sides by 10

[tex]\mathbf{Cost = \frac{\$2.50}{10oz}}[/tex]

[tex]\mathbf{Cost = \$0.25/oz}[/tex]

Hence, the cost per ounce is $0.25

(b) Popcorn for $1

To do this, we simply divide both sides by 2.5

[tex]\mathbf{Popcorn- \frac{10oz}{\$2.50}}[/tex]

[tex]\mathbf{Popcorn- 4oz/\$}[/tex]

Hence, the amount of popcorn for $1 is 4 ounces

(c) Represent as equations

In (a),  the cost per ounce is $0.25.

So, the equation is:

[tex]\mathbf{y = 0.25x}[/tex]

In (b),  the amount of popcorn for $1 is 4 ounces

So, the equation is:

[tex]\mathbf{x = 4y}[/tex]

Where: x represents the size of popcorn, and y represents the cost.

Read more about linear functions at:

https://brainly.com/question/21107621

PLEASE HELPWhich graphs display a directly proportional relationship? Check all that apply.


On a coordinate plane, a line goes through points (0, 0) and (1, negative 3).

On a coordinate plane, a line goes through points (0, 1) and (1, 2).

On a coordinate plane, a line goes through points (0, 0) and (1, 3).

On a coordinate plane, a line goes through points (0, 0) and (2, 2).

Answers

Answer:

ACD

Step-by-step explanation:

Answer:

A. C. D.

Step-by-step explanation:

Find x and y. Give reasons to justify your solution.

Answers

Answer:

x = 36

y = 22

Step-by-step explanation:

Let's solve for x

<EOG is a right angle due to the marking. Since that's the case, m<EOG = 90.

<EOF + <FOG = <EOG

Now let's substitute the values in.

54 + x = 90

x = 36

Let's solve for y

<AOB is 180 because it's a line.

<BOD + <COB = 180 because of supplementary angles

<BOD + 156 = 180

<BOD = 24

Let's create the equation now.

<AOE + <EOF + <FOG + <GOD + <BOD = <AOB

Now let's substitute the values in.

y + 54 + x + 2y + 24 = 180

3y + x + 78 = 180

Now let's substitute 36 for x.

4y + 36 + 78 = 180

3y + 114 = 180

3y = 66

y = 22

Hope this helped! If not, please let me know! <3

On what interval is the function h(x) = |x − 5| + 2 increasing? A. (2, ∞) B. (5, ∞) C. (-∞, 2) D. (-∞, 5)

Answers

Answer:

The user above is correct

B. (5, ∞)

Step-by-step explanation:

Correct on plato/edmentum test

The graph of the function h(x) = |x − 5| + 2 is increasing over the interval B. (5, ∞)

What is a function?

A function is an expression that shows the relationship between two or more variables and numbers.

Given the function:

h(x) = |x − 5| + 2

From the graph of h(x), it is increasing over the interval B. (5, ∞)

Find out more on function at: https://brainly.com/question/2833285

#SPJ2

Find the greatest common factor of 20 and 32.
A. 11
B. 8
C. 4
D. 2

Answers

Answer:

C

Step-by-step explanation:

PLEASE HELP ASAP BRAINLIEST

Answers

Area is Length x width.

Area = 4x * 5

Area = 20x

Replace A in the inequality:

Now you have 100 <= 20x <= 1,000

Now solve for x by dividing all 3 by 20:

5 <= x <=50

Check to see if they are viable:

4(5) x 5 = 20 x 5 = 100

4(50) x 5 = 200 x 5 = 1,000

Since the lowest number equals 100 and the largest number equals 1,000 all values of x would be viable. The answer is YES.

Ау
10
ca
6
6
х
-10 -8 -6 -4
2
6-8 110
4
-6
-8
-10-

Answers

the answer is 85z your welcome

Rose bought some spinach she used 3/5 of the spinach on a pan of spinach pie for a party and 3/4 of the remaining spinach for a pan for her family she used the rest to make a salad. If rose used 3 pounds of spinach to make the pan of spinach pie for the party how many pounds of spinach did rose use to make the saled

Answers

Answer:

Total pounds of spinach = 5 pounds

Pounds used for salad = 0.5 pounds

Step-by-step explanation:

Let

Total spinach = x

She used pan of spinach pie for a party = 3/5x

Remaining spinach = x - 3/5x

= 5x-3x/5

= 2/5x

She used 3/4 of the remaining spinach for a pan for her family

3/4 of 2/5x

= 3/4 × 2/5x

= 6/20x

= 3/10x

she used the rest to make a salad.

Salad = x - (3/5)x - (3/10)x

= (1 - 3/5 - 3/10)x

= (10-6-3/10)x

= 1/10x

If rose used 3 pounds of spinach to make the pan of spinach pie for the party how many pounds of spinach did rose use to make the saled

She used pan of spinach pie for a party = 3/5x

3/5x = 3 pounds

Divide both sides by 3/5

x = 3 ÷ 3/5

= 3 × 5/3

x = 5 pounds

Salad = 1/10x

= 1/10 * 5

= 5/10

= 0.5 pounds

The figures below show sketches of Earl's and Dylan's flower gardens. If the perimeter of each of their gardens is the same, what is the length and width of Earl's garden?​

Answers

Answer:

[tex] length = 12 ft [/tex]

[tex] width = 8 ft [/tex]

Step-by-step explanation:

Earl's garden:

[tex] length = (x + 6) ft [/tex]

[tex] width = (x + 2) ft [/tex]

[tex] perimeter = 2(length) + 2(width) [/tex]

[tex] perimeter = 2(x + 6) + 2(x + 2) [/tex]

[tex] perimeter = 2x + 12 + 2x + 4 = (4x + 16) ft [/tex]

Dylan's garden:

[tex] length = (2x - 2) ft [/tex]

[tex] width = (x + 4) ft [/tex]

[tex] perimeter = 2(length) + 2(width) [/tex]

[tex] perimeter = 2(2x - 2) + 2(x + 4) [/tex]

[tex] perimeter = 4x - 4 + 2x + 8 = (6x + 4) ft [/tex]

Generate an equation to solve for the value of x.

Since the perimeters of both gardens are the same, therefore:

[tex] 6x + 4 = 4x + 16 [/tex]

Collect like terms

[tex] 6x - 4x = - 4 + 16 [/tex]

[tex] 2x = 12 [/tex]

Divide both sides by 2

[tex] x = 6 [/tex]

Earl's garden:

[tex] length = (x + 6) ft [/tex]

Plug in the value of x

[tex] length = 6 + 6 = 12 ft [/tex]

[tex] width = (x + 2) ft = 6 + 2 = 8 ft [/tex]

Answer:

l: 12ft

w: 8ft

Step-by-step explanation:

 

Austin shops at Surfer Joe's Surf Shop before going to the beach. He buys 2 T-shirts, a pair of board shorts, and 5 towels.

If he gives the cashier $80.00, how much change will Austin get back?

Answers

Answer:

$2.86 is what he got back

An athlete is jumping. However, every time she jumps she gets a bit more tired, and every jump goes 1/2 as far as her prior jump. Now, for her very first jump, she goes 1/2 of a foot. On her second jump, she goes 1/4 of a foot, and so on and so forth. How many jumps does it take for her to travel 1 foot?Immersive Reader

Answers

Answer:

She will never complete 1 foot

Steps:

1) We will find the maximum value of this process, when this is carried out infinite times.

This process goes like a Infinite GP, whose

First term,a = 1/2ft.

Common Ratio, r = 1/2ft.

Maximum value of this process is One Foot when the athlete jumps forever or Practically, she will never complete her 1 foot.

Hence, Athlete will never complete. her complete .

Starting from 1/2 ft. ,and ending at 1 foot.

The value always tends toward 1 but never reaches one.

5.23 as a improper fraction

Answers

Answer:

5 23/100

Step-by-step explanation:

Answer:

523/100 (Mixed number - 5  23/100)

You buy 5 pounds of nails at the store. How many ounces is that?

Answers

Answer:

80 ounces

Step-by-step explanation:

One pound equals 16 ounces

16 times five is 80 ounces

please help with this, i don’t understand it.

Answers

Answer:

Im pretty sure its 50

Step-by-step explanation:

A line is 180° so you add

65 + 65 = 130

Then subtract 180

180 - 130 = 50

Hope that helps

Answer:

50

Step-by-step explanation:

The total degrees is 180 so

use the equation 65+65+x=180

simplify

130+x=180

minus 130 on both sides

x=50

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