How to subtract? how can we minus 7 from 2 how can we maintain sign​

How To Subtract? How Can We Minus 7 From 2 How Can We Maintain Sign

Answers

Answer 1

Answer:

a² - b² = (a+b)(a-b)

Step-by-step explanation:

= 2x² - 7x²

=(2x + 7x)(2x - 7x)

Answer 2

Answer:

-5x²

Step-by-step explanation:

combine like terms in 2x²-7x²


Related Questions

I need help on this one

Answers

Answer:

(3,5)

1/3

Step-by-step explanation:

The equation is already in point-slope form. Therefore, both the point and slope can easily be found in the equation. Point slope form looks like [tex]y-y_{1}=m\left(x-x_{1}\right)[/tex]. In this the point is [tex](x_{1},y_{1})[/tex] and the slope is m. So, the x value is 3 and the y value is 5, making the coordinate (3,5). Finally, the slope is 1/3.

~~ 3,5
1/3
Hope this helps <3

Jared has four pieces of rope that are each 12.75 feet long. How many feet of rope does he have in total?

51 feet
50.8 feet
16.75 feet
12.79 feet

Answer=51 Feet

Answers

I am pretty sure the answer is-51 Feet

which one does not belong and justify your answer

Answers

Yellow

they all are in some sort of line except for yellow

A loaf of bread that serves six people calls for 1 and 1/2 cups of all purpose flour and 5/6cups of chickpea flour you want to make a loaf of bread so that it will serve nine people how much flour all together will you need

Answers

Answer: 3 cups of flour

Step-by-step explanation:

are my answers correct?​

Answers

Answer:

Partially. Your answer to a is correct but you used the wrong number for b.

Step-by-step explanation:

The amount of money you earn (profit) is taken after all of your expenses. You  correctly calculated that Leo made $5000 in profit. Divide that by 40 instead of $12850. (answer: $125/hour)

Evaluate g(x)=4−3x when x=−3, 0, and 5

Answers

Answer:

13, 4, and -11

Step-by-step explanation:

g(-3)=4+9=13

g(0)=4+0=4

g(5)=4-15=-11

1/9 × 3 9/10 = as a mixed number​

Answers

Answer:

4 1/90

Step-by-step explanation:

I did It so yeah thats it

how much time is required to change 22Ns momentum by a force of 20N. ​

Answers

Answer:   time is 1.1 sec

Step-by-step explanation:

Answer:

1.1s

Step-by-step explanation:

t=m/F

t=time, m=momentum, F=Force

t=22/20= 1.1s

Is 3 a divisor of 51?

Explain why it is or why it’s not.

Answers

Answer:Yes

Step-by-step explanation:

A shortcut to tell whether a whole number is divisible by 3 is to add its digits together and see if the result is divisible by 3.

Answer:

yes 51 divided by 3 equals 17 there is no remainder

what is the vertical asymptote for this function?
y=1/x-2

Answers

Answer: x = 0

Step-by-step explanation: so x = 0 is the equation of the vertical asymptote, and 0 must be left out of the domain: (−∞,0)U(0,∞) in interval notation.

Answer:

2

Step-by-step explanation:

Which equation represents this statement?

5 times the sum of 7 and a number is 40.

5(n+7)=40

5 + 7n = 40

5⋅7+n=40

5n + 7 = 40

Answers

Answer:

5(n+7)=40

Step-by-step explanation:

It's 5(n+7)=40 because 5 + 7n = 40 and 5n + 7 = 40 is addition not multiplication, and 5⋅7+n=40 is saying 5 times seven plus a number is 40, therefore 5(n+7)=40 is the correct answer because the parenthesis in (n+7) seperates it from 5 so that you have to get the sum of (n+7) before you can multiply it by 5.  

The required equation for the given case is 5(n + 7) = 40.

What is a Linear equation?

A linear equation is a equation that has degree as one.

To find the solution of n unknown quantities n number of equations with n number of variables are required.

The given word problem can be solved as follows,

Suppose the unknown number be n.

Then, 5 times the sum of the number and 7 can be written as an expression as,

5(n + 7)

Now, as per the question the following equation can be written,

5(n + 7) = 40

Hence, the equation for the given word problem is 5(n + 7) = 40.

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x + y = 3

2x + 2y = 6

Answers

Answer:

x = Infinite answers.

y = Infinite answers.

Step-by-step explanation:

x + y = 3

2x + 2y = 6

2x + 2y = 6

2x + 2y = 6

=> Therefore, x and y have infinite values that can fit the equation.

Hoped this helped.

what is the answer??????​

Answers

Answer:

15 percent

Step-by-step explanation:

15 PERCENT

HAVE A NICE DAY SIR/MA'AM

GREAT DAY

Who has the best conclusion?
A.Sheryl said the lowest grade was a 70 and the highest grade was a 92.
B.Shania said the highest grade was a 100.
C.Andrea said the lowest grade was a 68 and the highest grade was a 92.
D.Allen said the range of the scores was 32.​

Answers

Answer:

B. Shania's conclusion is the only accurate one.

Step-by-step explanation:

Forrest Lumber uses the function

S(t) = -75t + 675

to determine the salvage value, S(t), in dollars, of a table saw t years after its purchase. How long will it take the saw to depreciate completely? A. 8 years B.11 years c. 9 years D.10 years please help

Answers

Answer:

C. 9 years

Step-by-step explanation:

For the saw to depreciate completely, the salvage value of the saw would be 0.

Set S(t) = 0 and solve for t

0 = -75t + 675

75t = 675

t = 675/75 = 9 years

In the equation log10? = 5, the value that could replace the "?" is​

Answers

Answer: 10000

The correct answer is 10000.

Geometry Homework, Please help with both questions

Answers

Similar figures are two or more given figures that have some common properties. The answers to the questions are;

14. m<WYZ = [tex]157^{o}[/tex]

15. m<ACB = [tex]87^{o}[/tex]

Two or more figures are said to be similar if they have some common properties. Note that similar figures may not be congruent.

Thus, the solutions to the questions can be determined as follows:

14. Comparing WYZ and VXYZ, we can deduce that:

<WYZ + <YVX = [tex]180^{o}[/tex] (sum of angles on a straight line))

So that;

(16x - 3) + (3x - 7) = [tex]180^{o}[/tex]

19x - 10 = [tex]180^{o}[/tex]

19x = [tex]190^{o}[/tex]

x = [tex]\frac{190}{19}[/tex]

  = [tex]10^{o}[/tex]

Then,

m<WYZ = (16x - 3) = (16(10) -3)

             = [tex]157^{o}[/tex]

The measure of angle WYZ is [tex]157^{o}[/tex].

15. (11x - 2) = (6x + 13)     (similarity property)

11x - 6x = 13 + 2

5x = 15

x = 3

So that;

m<ABC = (6x + 13) = (6(3) + 13)

             = [tex]31^{o}[/tex]

m<ABC = [tex]31^{o}[/tex]

But,

m<BAC + m<ABC + m<ACB = [tex]180^{o}[/tex]  (sum of angles in a triangle)

[tex]62^{o}[/tex] + [tex]31^{o}[/tex] + m<ACB = [tex]180^{o}[/tex]

m<ACB = [tex]180^{o}[/tex] - 93

             = [tex]87^{o}[/tex]

m<ACB = [tex]87^{o}[/tex]

The measure of angle ACB is [tex]87^{o}[/tex].

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which of the following lines has a negative slope?
Red or Black,Blue

Answers

Answer:

black <3

Step-by-step explanation:

How many times larger is 8 X 10^5 than 2 X 10^3

Answers

Answer:

798,000

Step-by-step explanation:

Simplify all the exponents

8×10^5

=8×100,000

=800,000

2×10^3

=2×1,000

=2,000

Difference=800,000-2,000

=798,000

In the figure, parallelogram PQSR and Triangle PQT are standing
on the same base and between, the same parallel lines. The
area of triangle PQT is 50 cm?. Find the area of Triangle PRS.

Answers

Answer:

50 cm²

Step-by-step explanation:

We know that PQRS is a paralleogram so we know that RS = PQ.

We also know that ΔPQT and ΔPRS has the same height . The the area is the same, from the area of that we can get 50 cm²

3. A cubic polynomial with rational coefficients has the roots 6+ Fo and. Find one additionalroot.
0-6-v6
06-16
0-6+ /6
06- 6

Answers

Answer:06-16

Step-by-step explanation:

A 98% confidence interval is found to be (32,46). What is the margin of error ?

Answers

Using confidence interval concepts, it is found that the margin of error is of 7.

A confidence interval has the format (a,b).The margin of error is half the difference between the two bounds, that is:

[tex]M = \frac{b - a}{2}[/tex]

In this problem, the interval is (32, 46), hence [tex]b = 46, a = 32[/tex], and the margin of error is:

[tex]M = \frac{46 - 32}{2} = 7[/tex]

The margin of error is of 7.

A similar problem is given at https://brainly.com/question/25704940

Answer:

Step-by-step explanation:

its 7 just did it

What fraction of an hour is 15 minutes?
Give your answer in its simplest form.

Answers

Answer:

1/4

Step-by-step explanation:

15/60 = 1/4

Hello there! :)

15 minutes is 1/4 of an hour.

An hour is 60 minutes:

[tex]\frac{}{60}[/tex]

We have 15 minutes:

[tex]\frac{15}{60}[/tex]

Reduce your answer by dividing 15 and 60 by 15:

[tex]\frac{1}{4}[/tex]

Hope this helps!

~Just a determined gal

#CarryOnLearning

Please mark brainliest!!

[tex]Mysterious Nature[/tex]

A sector of a circle is shown below. Construct a line that represents all points equidistant from MN and MP. Would a reflection across this line map the figure onto itself? Why or why not?

Answers

A sector is a part of a circle bounded by two radii and an arc. So then, constructing a line that would represent all points equidistant from MN and MP implies the angle bisector of angle NMP.

The line which represents all points equidistant from MN and MP is an angle bisector of NMP. An angle bisector is a straight line that divides a given angle into two equal parts.

The steps required to construct the line are:

Using N as the center and any radius, describe an arc beyond arc NPPlace the compass at P as the center and the same radius, describe another arc to intersect the previous arc.Draw a line through the point of intersection to M. This is the required angle bisector.

ii. Reflection is the process of turning a given shape or figure about a point or line. The reflection of the figure across the line (angle bisector) would not map the figure onto itself. This is because of the change in the orientation of the points N and P.

The construction to this question is attached to this answer for more clarifications.

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Can somebody solve this question?

Answers

Answer:

3 is the answer because it's value only add by the 3

Solve for m.

−2.4(m−5/6)=−5

Enter your answer as a simplified mixed number in the box.

m = plzzzzzzz helpppppp meee i willl give you all my points

Answers

Answer:

2 11/12

Step-by-step explanation:

This is what I got for the answer in the test.

The value of m in the given equation would be; m = 2.91

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

We need to find the value of m.

This equation could also be given by;

−2.4(m−5/6)=−5

Distribute the negative;

−2.4(m−5/6)=−5

- 2.4m + 2.4 x 5/6 = -5

Now we get;

- 2.4m = -5 - 2

- 2.4m = -7

m = 2.91

Hence, the value of m in the given equation would be; m = 2.91

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Explain how you know when you can factor to solve quadratics as opposed to using the square root method

Answers

Answer:

If there's a common factor, divide both sides of the equation by that number to simplify the situation. If b = 0 (no bx term), go to the square root method. (if c is positive, there are no solutions). If c = 0, then one of your solutions is x = 0

Step-by-step explanation:

hope this helps!!!!

Two architects bid for a small government project, both
charging a flat fee added to an hourly rate. Amazing
Designs bids $250 plus $45 per hour, while Super Structures
bids $100 plus $60 per hour. At what point in time will the
two companies charge exactly the same amount?

Answers

Answer:

10 hours

Step-by-step explanation:

let x be the total number of hours

Amazing design total charge = 45x+250

super structures total charge = 60x+100

both companies charge the same amount when both equation equals

45x+250=60x+100

60x-45x=250-100

15x=150

x=10

therefore at 10 hours both companies will charge the same amount

Which of the following statements is NOT true?

Answers

it wont let me loo at it sorry but it seems easy.

The bottom one. The slope of AB is different than the slope of BC.

Cody sold half of his comic books and then bought seventeen more. He now has 41. With how many did he begin?

Answers

Answer:

He begun with 48.

Step-by-step explanation:

48/2 = 24

24+17 = 41

Answer:

46

Step-by-step explanation:

I subtracted 17 from 41 and got 23 so if you add 23 by 23 half you get 46, so in turn Cody started out at 46.

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