Mathematics Middle School

x over 4 + 1 = -5 solve the equation
A. -2
B 16
C. 4
D. -24
My answer is C, please correct me if I'm wrong.

Answers

Answer 1
I got x= -25 

Hope this helps. 

Related Questions

The graph below represents one function and the table represent s a diffrent function how are the functions similar?

Answers

Where's the graph? Can't solve it without the graph.

2.365 x 12.4 ASAP
can you please show work like this how you got it

Answers

The product to that question is 29.326. You had to do some borrowing for this question, but here is the work on how I got the answer. The numbers part of the answer are kind of cut out, but if you work it right, you should get the answer above.
Final answer:

To perform the multiplication 2.365 x 12.4, you need to multiply each digit of the numbers, remembering to keep track of decimal places, and then add all the partial results together. This gives a final result of 29.326.

Explanation:

To solve the multiplication problem 2.365 x 12.4, you use the standard multiplication method, which involves multiplying each digit of the multipliers. Follow the steps below:

Multiply 5 (from 2.365) by each digit in 12.4: 5x4=20, 5x2=10, 5x1=5. Write this number, 11820, under the problem and mark the decimal.Multiply 6 (from 2.365) by each digit in 12.4, but shift one place to the left. Do the same for 3 and 2 in 2.365, shifting each time to the left.Add all the resulting numbers up, making sure your decimal places align correctly (2 places in this problem).

The final result of the multiplication 2.365 x 12.4 is 29.326.

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A system of equations is graphed on the coordinate plane.

2y = 3x − 1
4y = 6x − 2

Select the number of solutions for the system of equations from the drop-down menu.

A. no solution
B. one solution
C. infinitely many solutions

Answers

Maybe it's c, not sure

Help me plz asap i need the first question dont answer till u see file

Answers

okay, so with the link we can tell this:

flour and baking soda are equal ratios
salt is one half the ratio of flour/baking soda

A: correct
flour and baking soda as equal ratios

B: incorrect
salt is at an incorrect ratio to flour

C: correct 
salt is at a correct ratio to baking soda

D: incorrect
salt is at an incorrect ratio to baking soda

E: correct
baking soda is at a correct ratio to salt

answers: A, C , E

it takes sami 10 minute to shovel the snow 20 m2 area. he charges 5 dollars for half an hour . how much will he charge to shovel the snow of a sidewalk that has a dimensions of 2m x 40m.

Answers

First, we need to find the area of the sidewalk that he will be shoveling:
[tex]A=l*w[/tex]

In this case, l=2m and w=40m. Then we have
[tex]A=2*40=80m^{2}[/tex]

We know that he can shovel [tex]20m^{2}[/tex] in 10 minutes, so this would take him 40 minutes since 20*4=80. Now we just need to figure out how much this will cost. Since he charges $5.00 per half hour, we need to get 40 minutes in terms of half hours:
[tex]\frac{40}{30}=\frac{4}{3}[/tex]

Last, we just multiply his half-hour rate by the amount of half hours he is shoveling for:
[tex]\frac{4}{3}(5)=\frac{20}{3}[/tex]

I'll let you simplify the fraction.

If bookshelf is 28 inches long how many 7/8 inch thick books will it hold

Answers

so it is 28/(7/8)
which is 32

Choose an equation that represents the line passing through the point (2, -4) with a slope of 1/2.

Answers

You use the formal y-y1=m(x-x1) to solve this and you plug in the #s so 2 and -4 will be x1 and y1 and 1/2 will be plunges is as m

Count the total number of atoms in CaCo2

Answers

3. Ca= 1 atoms Co2= 2 atoms, so your answer is 3 atoms

A sporting goods company can ship 6 football's in each carton. How many cartons
are needed to ship 75 football's?

Answers

13 because 75/6 is 12.5 but you can't have half a carton so therefore it would be 13. Please mark me brainliest

A movie made $297.2 million in 22 weeks. How much did the movie make on average each week?

Answers

Final answer:

The movie made an average of $13.509 million each week.

Explanation:

To find the average amount of money the movie made each week, we need to divide the total amount made by the number of weeks. In this case, the movie made $297.2 million in 22 weeks. To find the average, we divide $297.2 million by 22, which gives us an average of $13.509 million per week.

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4 2/5 - 1 7/10
2 3/10
2 7/10
3 1/10
2 9/10

Answers

4 2/5 - 1 7/10
= 4 4/10 - 1 7/10
= 3 14/10 - 1 7/10
= 2 7/10

answer
2 7/10
Hello,


4 2/5 - 1 7/10
= 4 4/10 - 1 7/10
= 3 14/10 - 1 7/10
= 2 7/10

Hope this helps

how much will 167 go into 44756

Answers

44,756 divided by 167 is 268.

167 will go into 44756 exactly 268 times, I hope this helps


You need a piece of fabric 5 12 yard long. Which of these is the smallest piece of fabric that would work?

Answers

The answer is 1/2 a yard would be the smallest piece of fabric that would work.

A linear equation has more than one y intercept.what can you conclude about the graph of the equation?

Answers

I'd say the graph isn't functional
A line can be determined with two points.

The y-intercept is where a graph intersects the y axis.

Let 2 points lie on the y axis. Those are the y-intercepts.

2 lines can only have 0 intersections, 1 intersection, or infinitely many intersections.

Thus, if a line intersects another line more than 2 times, both lines must be the same line.

Using that information to create a line, you would have the line x=0.

x=0 is a vertical line that intersects the y-axis infinitely many times since they are the same line.

However, x=0 is not a function.

Have an awesome day! :)

the sum of two numbers is 70 and their difference is 24.Find the two numbers

Answers

The two answers are 23 and 47. You would subtract 24 from 70 then divide by 2 which would equal 23 then add the 24 back to it which is 47. 23 plus 47 equals 70.

The two numbers whose sum is 70 and has a difference of 24 is 23 and 47

Let

x = smaller number

y = Larger number

y + x = 70 (1)

y - x = 24 (2)

subtract (2) from (1) be to eliminate y

x - (-x) = 70 - 24

x + x = 46

2x = 46

x = 46 / 2

x = 23

substitute x = 23 into (1)

y + x = 70

y + 23 = 70

y = 70 - 23

y = 47

Therefore, two numbers whose sum is 70 and has a difference of 24 is 23 and 47

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Mrs. Gonzalez buys a total of 32 crayons for her classroom. Each pack contains 8 crayons. How many packs of crayons does Mrs. Gonzalez buy ?

Answers

4 packs of crayons she did buy.
4 packs. Just do 32/8 and you get 4

1. In △ABC, GE=27 in.

What is the length of BE¯¯¯¯¯?

2. In △JKL, LO=104 cm .

What is the length of NO¯¯¯¯¯¯?

3. In △RST, SU=45 in.

What is the length of UX¯¯¯¯¯¯?

1.  81
2. 52
3. 15

Answers

1. In △ABC, GE=27 in.

BE = 3(27) = 81

What is the length of BE¯¯¯¯¯?
answer
1.  81

2. In △JKL, LO=104 cm .
NO = 1/2(LO) = 1/2(104) = 52

What is the length of NO¯¯¯¯¯¯?

answer
2. 52

3. In △RST, SU=45 in. 
UX = 1/3(SU) = 1/3(45) = 15

What is the length of UX¯¯¯¯¯¯?
answer

3. 15

A relation is a function if _____.

there is exactly one input for each output

there is exactly one output for each input

there is more than one input for each output

there is more than one output for each input

Answers

The answer to the question  is B

C;

Below is last month's business income statement for Korey's Comics. Using the information provided in the statement, determine net income for Korey's Comics last month. Korey?s Comics Monthly Business Income Statement Revenue Sales: $6,825 Returns: $215 Net Sales: Cost of Goods Sold Beginning Inventory: $780 Purchases: $1,795 Goods Available for Sale: Ending Inventory: $795 Total Cost of Goods Sold: Gross Profit:: Operating Expenses Wages: $1,460 Rent: $650 Utilities: $185 Advertising: $90 Taxes: $125 Total Operating Expenses: Net Income: a. $2,320 b. $2,510 c. $4,830 d. $6,610

Answers

The Answer is A) 2,320. Here is how we arrive at that number:
Net Sales = Revenue - Returns = 6,825 - 215 = 6610
COGS = Beg Inv + Purch - Ending Inv = 780 + 1,795 - 795 = 1780
Gross Profit = Net Sales - COGS = 6610 - 1780 = 4830

OP Expenses:
Wages     1,460.00
Rent         650.00
Utilities     185.00
Advert      90.00
Tax          125.00
Total Operating Expenses: 2,510

Net Income = Gross Profit - Operating Expenses = 4,830 - 2510 = 2320
Net Income: 2,320

Based on the information given the net income is $2320.

Net income

Using this formula

Net Income = Gross Profit - Operating Expenses

Where:

Net Sales = Revenue - Returns

Net sales=$6,825 -$215

Net sales=$6610

Cost of goods sold= Beginning Inventory + Purchase - Ending Inventory

Cost of goods sold =$780 + $1,795 - $795

Cost of goods sold=$1780

Gross Profit = Net Sales - Cost of goods sold

Gross profit =$6610 - $1780

Gross profit=$4830

Operating Expenses:

Wages     $1,460

Rent         $650

Utilities     $185

Advert      $90

Tax          $125

Total Operating Expenses $2,510

Let plug in the formula

Net income=$4,830 - $2510

Net income=$2320

Inconclusion the net income is $2320.

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Margo used the equation y=-4x-1 to graph a line. She graphed the point (-1, 0), Does (-1, 0) lie on the line? If not, what mistake did Margo make?

Answers

It does because -1 0 is going to on q4 so it is going be on the so yes
No, it doesn't. -1 is the y intercept, meaning the first point would be (0, -1) rather than (-1, 0)
The line does not cross the point (-1, 0)

What two ratios are equivalent to 11/12

Answers

(11 x2) (12 x 2)
22 : 24 

or 

(11x3) (12 x 3)
33 : 36

both are equivalent to 11/12


Molly works at an electronics store. Her last customer purchased a DVD player for $67.65 and five DVDs for $57.93, including taxes. If the customer paid her with two $100 bills, how much change should she give him?

Answers

67.65 + 57.93 = 125.58

200.00 - 125.58 = $74.42 change back

A rectangular flower garden is 8 ft longer than its width. It is surrounded by a brick wall 2 ft wide. The area of the walk is 176ft squared. Find the dimensions of the flower garden

Answers

The dimentions of the rectangular flower garden is
8+x+8+x
16+2x * x = 176

x^2=80
x=4 sqrt(5)
Dimentions:
Length of parallel walls: 8+4 sqrt(5)
Other Walls: 4 sqrt(5)

Plzzzzzzzzzz help me

Answers

The answer would be the top right graph where none of the lines intersect since it shows that there is no possible real solutions for the system if none of the lines intersect on a certain point.

Remember: If the lines intersect, there is a solution; if the lines do not intersect, there is no solution; if the lines fall on the same line, or the equations are equivalent, then the solution is all real numbers.

Is 2(6-3x) + x equivalent to 2(3x) + x

Answers

NO. You cannot subtract 3x from 6, since they are NOT like terms. 
You can think of it as the 6 does not have an x term, but in 3x, there is an x term. 
Answer:  When "x = 1" ;  "2(6-3x) + x"  DOES EQUAL "2(3x) + x" .
___________________________________________________

2(6-3x) + x = 12 - 6x + x  = 12 - 5x ;

2(3x) + x = 6x + x = 7x ;

Does:  12 - 5x = 7x ?

Add "5x" to each side of equation:

12 - 5x + 5x = 7x + 5x ;

to get:

12 = 7x + 5x ;

12 = 12x ; 

Divide each side of the equation by "12" ; 

12 / 12 = 12x / 12 ; 

to get:  1 = x ;  ↔ x= 1 ;
_______________________________________
Answer:  "When "x = 1" ;  "2(6-3x) + x"  DOES EQUAL "2(3x) + x" .
___________________________________________________

The Lovin' Lemon Company sells a 4-gallon jug of lemonade for $24. The Sweet and Sour company sells an eight-pack of one quart bottles of lemonade for $16. Which company has a higher price? Explain your answer.

Answers

Sweet and Sour, as 8 quarts is only 2 gallons, for more than half the price ( if they were equal) than the price if the Lovin' Lemon companies lemonade.

The boiling point (at atmospheric pressure) of Ammonia is -28 1/10°F and of Propylene is -53 9/10°F. What is the difference in their boiling points?

-82°F

26°F

25 4/5°F

-81 4/5°F

Answers

I think it's 25 4/5 F

Answer:

yeah I got it right

Step-by-step explanation:

Write the standard form of the line that contains a slope of -3/8 and passes through the point (5, -4). Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution.

Answers

Answer and work shown above

Answer:  [tex]3x+8y+17=0[/tex]

Step-by-step explanation:

We know that the equation of a line passing through a point (a,b) ans has slope 'm' is given by :-

[tex](y-b)=m(x-b)[/tex]

Given : Slope : [tex]m=\dfrac{-3}{8}[/tex]

Point = (5, -4)

Then, the equation of a line passing through a point (5, -4) ans has slope [tex]\dfrac{-3}{8}[/tex] is given by :-

[tex](y-(-4))=\dfrac{-3}{8}(x-5)\\\\\Rightarrow\ 8(y+4)=-3(x-5)\\\\\Rightarrow\ 8y+32=-3x+15\\\\\Rightarrow\ 3x+8y+32-15\\\\\Rightarrow\ 3x+8y+17=0\ \ [\text{In standard form}][/tex]

Therefore,  the standard form of the line that contains a slope of [tex]\dfrac{-3}{8}[/tex] and passes through the point (5, -4):

[tex]3x+8y+17=0[/tex]

Systems of equations word promblems. I need help answering this questions >. < Tysm. Please explain it also.

3)Flying to kampala with a tailwind a plane averaged 158 km/h. on the return trip the plane only averaged 112 km/h while flying back into the same wind. find the speed of the wind and the speed of the plane in still air

Answers

Answers:
Speed of Wind = 23 km/hr
Speed of Plane in Still Air = 135 km/hr

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

Explanation:

First let's go over two definitions

Headwind = wind that is flowing in the opposite direction of the plane's direction of movement; i.e., wind that is coming from the head direction. Headwinds slow the plane down

Tailwind = wind that is coming from the tail of the plane and moving in the same direction as the plane's destination. Tailwinds speed the plane up

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

Let
w = speed of wind
p = speed of plane in still air
both speeds are in km/hr

With a tailwind, the plane will speed up so it will go from p to p+w. Therefore, the first equation is
p+w = 158
since the new speed (wind+plane's movement without wind) is 158 km/hr

Similarly, in a headwind, the speed reduces to 112 so 
p-w = 112
because we take the plane's speed p and subtract off the wind speed w that slows down the overall speed

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

The system of equations is
p+w = 158
p-w = 112

Add up the equations and notice how w cancels

p+w = 158
p-w = 112
---------
2p+0w = 270

Leading us to
2p = 270
2p/2 = 270/2
p = 135

The speed of the plane in still air is 135 km/hr

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

Use p = 135 to find w
p+w = 158
135+w = 158
135+w-135 = 158-135
w = 23

The speed of the wind is 23 km/hr

how do I plot y=2x-4

Answers

The formula: y = mx + b
m = slope or rise/run
b = y-intercept

So, the y-intercept would be -4 and the slope would be 2.

First, you would need to find the y-intercept, -4. 

Next, you would use the slope, 2, to find the coordinate. Remember, 2 = 2/1
You would rise 2 and run 1. 

The coordinates to form a line would be (1,-2), (3,2), and (-1,-6). All you would need to do is draw a line through the coordinates. 

I hope this helps!
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