Mathematics Middle School

Which expression is shown using the model below?


5 (6 + 6)
5 (6 + 5)
6 (6 + 5)
6 (6 + 10)

Which Expression Is Shown Using The Model Below?5 (6 + 6)5 (6 + 5)6 (6 + 5)6 (6 + 10)

Answers

Answer 1

Answer:

6(6+5)

Step-by-step explanation:

Answer 2
6(6+5)
Explanation:
The figure is 6 units high And 11 units long

Related Questions

Write the solution as an ordered pair, "No Solution" or "Infinitely Many."

9x + 2y = 27
y = -8x + 31

Answers

2y = -9x + 27
y = -4.5x + 13.5
-4.5x + 13.5 = -8x + 31
13.5 = -3.5x + 31
-17.5 = -3.5x
X = 5
There is one solution

This question has three parts. Answer the parts in order.
Part 1

Sam is 8 years younger than his brother Steve. He is also half as old as Steve.

Select two equations of a system that can be solved to find both ages.

Answers

Answer:

Step-by-step explanation:

B and A

Let his sam’s age = y
And his brothers age = x
If y = x*(1/2)
And y = x - 8
x - 8 = x/2
Cross multiply
2(x - 8) = x
2x - 16 = x
Collect like terms
2x - x = 16
x = 16
Hence, if y = x/2
y = 16/2
y = 8
Check:
y = x/2
8=16/2
8 = 16

Talia is going to put carpet in her new house. She measures one side of her living room and finds it measures 17 meters.Which measurement does 17 meters represent?

Area,Length, or perimeter.

Answers

Answer:

length

Step-by-step explanation:

If f(1)=5, f(2)=8 and f(x)=ax+bx+2, what is the value of f(3)?

Answers

Answer:

11

Step-by-step explanation:

I’m sorry for the sloppy work

Answer:

11

Step-by-step explanation:

BRAINLIST WILL be given . look at the pictures . the first picture is the question and the other two are just context .

Answers

Answer:

d//

Step-by-step explanation:

took the test

hope this helps

Answer:

B. y = 1/2x - 2

Step-by-step explanation:

The slope-intercept form is:

y = mx + b

According to the table, point (0, -2) we see:

y-intercept is - 2

And using two points (4, 0) and (8, 2) we can find the slope:

m = (2 - 0)/(8 - 4) = 2/4 = 1/2

So the line is:

y = 1/2x - 2

Correct option is: B

Follow the steps to solve the equation using the algebra tiles. −4x + (−3) = –x + 3. 1. Add 4 positive x-tiles to both sides and create zero pairs. 2. Add 3 negative unit tiles to both sides and create zero pairs. 3. Divide the unit tiles evenly among the x-tiles. x =

Answers

X= negative 2

First take negative 4 and add it to both sides to get -3=3x+3
Then subtract 3 from both sides to get -6=3x
next divide -6 by 3x to get x= -2

Answer:

-2

Step-by-step explanation:

:)))

A state income tax is 9% of any amount earned over $15,000. What state income tax does a person earning $24,500 pay?
A. $1,350 B. $855 C. $2,205 D. $650

Answers

Answer:

the answer is C. $2,205

{(12,6), (8,4) , (14,7), (-6, -3)} Identify the constant and equation of the ordered pair

Answers

Answer:

(8,4)

Step-by-step explanation:

Ming incorrectly says that this product is 4/63.
-(-4/9) · (-1/7)

a. What is the correct product?

b. What error could Ming have made?

Answers

Answer: -4/63

Step-by-step explanation: he put a positive sign instead of a negative in the 4

a. The correct product is -4/63.

b. Ming forgot to distribute two negative signs on the first term.

Sign changes when we do arithmetic operations ?

(-,-) = +. (+,+) = +. (-,+) = -. (+,-) = -.

For example -: 6 + (-3) here negative sign of 3 will distribute (+,-) and the end result will be negative ⇒ 6 - 3 = 3

According to the given question

Ming has given a product -(-4/9) · (-1/7) and he mistakenly said it is 4/63.

The given product is -(-4/9) · (-1/7)

= (4/9).(-1/7)

= -4/63.

Ming didn't notice that on the first term two negative sign will distribute and  make it positive and then multiplying it with a negative number will result in a negative number.

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help i suck at math


A b c or d on all of them

Answers

1-D, 2-C, 3-A, 4-C, 5-B, 6-A, 7-D, 8-B
You should use phone math it helps me

ILL GIVE BRAINLIEST

I wrote random stuff please please explain to me what linear relationships/functions are.

Answers

Answer:

Linear relationshi/functions are lines that goe up linearly

Step-by-step explanation:

I hope this helps?!

linear functions are functions that go in a straight line..
its a function if it has a constant rate of change
the picture the first two is +10 but the next one is +15 so it doesn’t have a constant rate of change
so therefore there’s no constant rate of change
btw rate of change is the same as triangleY/ triangle X
but since there’s no constant rate of change it’ll be blank

i give brainliest pls answer

Raul’s grandfather is Miguel, and Raul’s sister is Paula. Raul’s age is the same as his grandfather’s age minus 60 times the age of his sister. Miguel is 65 years old. Using the results from Part C, write an equation to find Paula’s age, p (in years).

Previous equation answer:
Yes the values are the same
3r = 45
3(15) = 45

Answers

Answer:

3(15)+60p+65=45

Step-by-step explanation:

Paula’s age, p is 5/6 years.

Given that, Raul’s grandfather is Miguel age=65 years.

How do solve age problems?

Important Statements and Equations for "Problems based on Ages":

If the present age is y, then n times the present age = ny.If the present age is x, then age n years later/hence = x + n.If the present age is x, then age n years ago = x – n.The ages in a ratio a: b will be ax and bx.If the current age is y, then 1/n of the age is y/n.

Let Raul’s sister Paula's age be p and Raul’s age be r.

From the statement, Raul’s age is the same as his grandfather’s age minus 60 times the age of his sister.

We can write the equation as follows r=65-60p

In part C:

39=3r-6

⇒r=15

So using the part C answer we get 15=65-60p

⇒60p=65-15

⇒p=5/6 years

Therefore, Paula’s age, p is 5/6 years.

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The number of years from the start of the Great Depression to the first presidential election of Richard Nixon is six years less than three times Raul’s age. Nixon’s first presidential election happened 39 years after the Great Depression. Using the given information, write an equation to find Raul’s age, r. (not the question I need I already know its 15)

Raul’s grandfather is Miguel, and Raul’s sister is Paula. Raul’s age is the same as his grandfather’s age minus 60 times the age of his sister. Miguel is 65 years old. Using the results from Part C, write an equation to find Paula’s age, p (in years). (results from part C were that Rauls age is 15)

Give the reciprocal for 7

Answers

Answer:

0.14286

Step-by-step explanation:

N/A

Can someone please help me

Answers

When you add a negative, it’s basically subtracting.
25. -3 - 4 - 1 = -8
26. 12 - 5 + 3 = 10
27. 10 - 7 + 6 = 9

Given the graph below write the equation of the line.
y = 2 + 2
y = -2x
y = 2x + 8
y = 0x + 8

Answers

Answer:

y = 2x+8

Step-by-Step Explanation:

The equation should be in the form of y=mx+b

So you already know it's not A. Also you already know it's not D because the line goes at an angle, if "m"(slope) was 0 then the line would be straight horizontal or straight vertical. So that leaves B and C. And finally you know it's not B because the line is going in the positive direction not negative, so the slope has to be positive, also "b" in the equation is the y-intercept, and that's where the line intersects with the y-axis, and you can see that the line intersects at 8 on the graph. Therefore, the answer is C, y=2x+8

Hope this helps!! :)

y=2+2, y=-2x, y=2x+8, and y=0x+8
2x+8

BRAINILIST TO FIRST PERSON TO ANSWER AND GET IT CORRECT!!! please answer fast!

Answers

The answer would be 4 divided by 2/3 = 6 tiles
4 divided by 2/3=6 I think

Find a ratio equivalent to 40/50.
Choose the correct answer below.

A. 20/25
B. 41/51
C. 20/10
D. 8/25
E. 50/40
F 39/49

Answers

Answer:

A

Step-by-step explanation:

You can divide 40 by 2.....this gives you 20.

Whatever you do to the top, do to the bottom.

Divide 50 by 2.....this gives you 25.

Your answer is 20/25

Answer:

A

Step-by-step explanation:

You can actually use simple division to help you solve this problem. The ratio given is 40/50. Well, divide the two numbers of the ratio. You will then get, 4/5 (.8 as a decimal). You can then do the same to all of the answer choices and see which one gets you the same decimal or fraction.

Hope this helped! (marking me brainliest would be great!)

Washington Middle School sold 500 tickets to the annual musical production for Friday night. If the tickets sold for Friday night were only 40 percent of the total tickets sold, how many total tickets were sold for the production?

Answers

Answer:

200

Step-by-step explanation:

500x.4

Answer:

1,250 tickets

Step-by-step explanation:

Which ordered pair is a solution to the system of linear equations Negative 4 x + y = 8 and x minus 5 y = 17?
(–4, –3)
(–4, 3)
(–3, –4)
(–3, 4)

Answers

I took a photo of my work and if you don’t understand how I got something just tell me

Answer - (-3, -4)

The solution to the linear equations will be ( -3, -4 ).

What is linear equation?

The equation whose highest degree of the variable used in the equation is 1 is called linear equation.

For example 12x+5y=19 is a linear equation.

We have,

- 4x + y = 8     .....(i)

x - 5y = 17     .....(ii)

Now,

Rewrite equation (ii) ,

x - 5y = 17  

⇒ x = 5y + 17     .....(iii)

Now substitue  this value of x in equation (i) i.e. - 4x + y = 8

We get,

- 4(5y + 17) + y = 8

- 20y - 68 + y = 8

- 19y - 68 = 8

- 19y = 8 + 68

-19y = 76

⇒ y = - 4

So, we have a value of y now substitute this equation (iii),

We get,

x = 5(-4) + 17

x = - 20 + 17

x = - 3

So,

The solution to the given linear equations is ( -3, -4 ).

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1)The average height of 4 boys is 1.65m. One boy is 1.68m tall. Find the average height of the other 3 boys.
2) Ian, John and Juan shared a sum of money in the ratio 4:7:9. What percentage of the sum of money did John receive?
3) The usual price of a refrigerator is $800. It is sold at a discount of 15%.find the selling price.

Answers

1)
If the average height of the 4 boys is 1.65m that means the total of their heights is 6.6m

To get the average height of the other 3 boys you have to take away the one boys height from the total and divide that number by 3

6.6-1.68 = 4.92
4.92/3 = 1.64

Therefore the average height of the other three boys is 1.64m

2)
To do this you first find the total of the parts of the ratio so
4+7+9 = 20

Next you find what percentage each part is worth so
100/20 = 5
This means that each part of the ratio is worth 5% of the total sum

Because John received the 7 in the 4:7:9 ratio you times 7 by 5
7x5 = 35

Therefore John got 35% of the total sum of the money

3)
The formula for finding the discounted price using the percentage discount is
Discounted Sale price = (100% - %Discount) x Regular Sale Price

Using this formula to find the discounted sale price you do

(100% - 15%) x 800
= 85% x 800
= 680
Therefore the selling price of the refrigerator is $680

Examine the following diagram:


3 lines intersect a line to form 8 angles. Angle 5 is adjacent to angle 4.


Which angle is adjacent to ∠4?

A: ∠2

B: ∠3

C: ∠5

D: ∠8

Answers

Answer:

c

Step-by-step explanation:

The required angle that is adjacent to ∠4 beside  ∠5 is given as ∠3. Option B is correct.

What is the triangle?

The triangle is a geometric shape that includes 3 sides and the sum of the interior angle should not be greater than 180°

here,
When the figure will be constructed, we will see that there will be 3 adjacent angles to ∠4, as ∠1, ∠3, and ∠5 which share the common line and are present in the adjacent positions.

Thus, the required angle that is adjacent to ∠4 beside  ∠5 is given as ∠3. Option B is correct.

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(03.07A LC) The coordinate grid shows the graph of four equations: A coordinate grid is shown from negative 12 to positive 12 on the x axis and also on the y axis. Line A passes through the ordered pairs negative 3, 4 and 9, negative 2. Line B passes through the ordered pairs 2, 8 and 8, negative 8. Line C passes through the ordered pairs negative 3, negative 4 and 4, 6. Line D passes through the points 2, negative 2 and 5 and 6. Which set of equations has (3, 1) as its solution?
A and B
C and D
B and D
A and D

Answers

Answer:

A & D

Step-by-step explanation:

Answer:

D) A and D

Step-by-step explanation:

Hope I helped

Have a great day

do not answer unless ur victora pleaseeee

Answers

Answer:

? can i be victoria?

Step-by-step explanation:

Simplify the expression 7(a−3+4b).

Answers

Answer: 7a -21 +28b

Step-by-step explanation:

Determine the difference
34
.
7
−
(
−
8
.
6
)
.

A.
–43.3

B.
43.3

C.
26.1

D.
–26.1

Answers

Answer:

B: 43.3

Step-by-step explanation:

A baker made 280 cookies to sell. Each cookie is a different type.
1/4 of the cookies are chocolate chip.
3/8 are sugar cookies.
1/5 are oatmeal cookies.
The rest of the cookies are peanut butter.
How many peanut butter cookies did the baker make?

Answers

The baker made 49 peanut butter cookies

Answer:

Step-by-step explanation:

280*1/4=70 chocolate chip

280*3/8=105 sugar

280*1/5=56 oatmeal

70+105+56=231

280-231=49 peanut butter

14% of 120

Explain in detail, please!

Answers

you do 120 x .14 which gives you 16.8%. this is because you convert 14% to 0.14 so 1.00 is 100 percent. ex 28% is .28 and. 5% is .05 (remeber to put in hundredths place) and then just multiple that percent diver by the original number.
16.8
i’m to tired to explain what just went on in my head haha

Write the following as a decimal, use repeating decimals if necessary.

A. 0.5
B. 0.54
C. 0.64
D. 0.53

Answers

Answer:

How am I supposed to answer?

6/11

is the same as

6÷11

Then using

Long Division for 6 divided by 11

gives us

=0.54

B.)0.54

(Decimal) : 0.54

Step-by-step explanation:

Hope I helped

Brainliest plz

A cellular service plan for Company A has unlimited minutes for $40/month and a text message rate of $0.10/message. A cellular service plan for Company B has unlimited minutes for $30/month and a text message rate of $0.10/message. At what number of text messages will the total monthly cost for each of the two companies be equal?

Answers

Answer:

None.

Step-by-step explanation:

None because if however many text messages you do, Plan A will be 10 more dollars than Plan B

Supriya is decorating her bedroom. She plans to hang strings of twinkle lights all the way around her walls. She measures the walls and finds she will need 363636 meters of lights.
Which measurement did Supriya find?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Perimeter

(Choice B)
B
Length

(Choice C)
C
Area

Answers

I think it’s either A or C I kind of leaning towards A but I’m not entirely sure. Also sorry about that other person that commented. Anyways hope this helps
I pretty sure the answer would be A
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