Mathematics High School

X^2+_x+_=0
Please help need to pass this class

Answers

Answer 1
Answer:
x^2+0x+(-x^2)=0

Explanation:
x^2+0x+(-x^2)=0
Anything multiplied by 0 is equal to 0
x^2+0+(-x^2)=0
x^2+(-x^2)=0
A positive and a negative makes a negative
x^2-x^2=0
0=0

For these types of problems, play around with multiplying by 0 and adding negatives.

I hope this helps! Please comment if you have any questions.

Related Questions

Anybody know this? I need help, I really don’t understand it.

Answers

Answer:

you multiply both side it gives you

-111.495

Answer:

Step-by-step explanation:

i cant see your pic to see what you are diling with

who what to do a zoom for hlep??? who can hlep me with this i do not understand it can so one plz hlep me now

Answers

Answer:

they all have the same lengths , angles, size, shape.

Step-by-step explanation:Hopefully this helped, u dont need zoom-just HMU and I will help u

-Have a great day! :)

What is the value of the expression below when w = 8 and x = 4? 9w + 5x

Answers

Answer:

92

Step-by-step explanation:

If w=8 then you would multiply 9 by 8 which is 72. Then you would multiply 5 with 4 since x equals 4 which is 20. Then you would add 72+20 which gives you your answer which is 92

The value of expression 9w+ 5x when x=4 and w=8 is 92.

What is Expression?

A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:

An absolute numerical number is referred to as a constant.Variable: A symbol without a set value is referred to as a variable.Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.

Given:

Expression: 9w + 5x

Now, put x= 4 and w= 8 we get

9w + 5x

= 9(8) + 5(4)

= 72 + 20

= 92.

Hence, the expression gives 92.

Learn more about expression here:

https://brainly.com/question/14083225

#SPJ2

Which of the following is a disadvantage of a personal
interview?

A. They are time consuming.

B. The data can be difficult to combine.

C. Reviewing the answers is time consuming.

D. The number of questions must be limited due to time
constraints.

Answers

Answer:

They are time consuming.

Can someone help me put this equation in standard form I give you brainliest !(and a explanation )

Answers

Answer:

eq of a line= (y-y1)=m(x-x1)

y-1=1/2(x-3)

2(y-1)=x-3

2y-2=x-3

x-2y-1=0

x-2y=1

PLEASE HELP!!!! 10 points and brainliest
|2x-2|≤ 6


A. x ≥ -2 and x ≤ 4

B. x ≥ -3 and x ≤ 2

C.x ≥ -2 and x ≤ 6

D. x ≥ -2 and x ≤ 5

Answers

Answer:

A

Step-by-step explanation:

can someone help me... it history, but no one is helping me, u don't have to know history u just have to know how to do research about it.

Answers

Answer:

lol why is this posted in mathematics

Calculate 923 g + 20312 cm3 and give your answer with the correct number of significant figures

Answers

Answer:

[tex]0.0454\ g/cm^3[/tex]

Step-by-step explanation:

We need to calculate 923 g ÷ 20312 cm³. 923 g will be in numerator and 20312 cm³ is in denominator. So,

[tex]D=\dfrac{923\ g}{20312 \ cm^3}\\\\D=0.0454\ g/cm^3[/tex]

So, the answer is [tex]0.0454\ g/cm^3[/tex] is the calculated answer.

Please Help Me Out! I am back with a handful of geometry questions. I would like you to answer this question and explain or show all of your work.
I will mark Brainlest for an accurate answer!
If the image is to blurry try clicking on it. If it is still to blurry, let me know in the comments. If you have any other questions about the problem, let me know.
Please only answer of you have a "real" answer and not a comment. Save your comments for the comment box!
If you would like to help me out some more, go check out my profile and answer the questions that have 9/29/2020 on them.
God Bless.

Answers

Answer:

perpendicular

Step-by-step explanation:

(perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees).

i think i know which answer it is.. i just need to confirm..

Answers

Yeah ur right it’s C Becuase it’s all the same color witch is one element

(-0.312) as a fraction in lowest terms.

Answers

[tex]( - 0.312) = ( - \frac{312}{1000} ) = ( - \frac{39}{125} )[/tex]

Answer : (-39/125)

A bit of explanation :

divided by 8

Janine has $58. She lends (gives) $20 to her friend Hannah. She wants to buy a dress that costs $50, How much more money does she need?

Answers

Answer:

12

Step-by-step explanation:

20 + 50 = 70

70 - 58 = 12

so yea 12

Answer:

12

Step-by-step explanation:

58-20=38

38+12=50

what is an example of dilation in the real world?

Answers

In eye doctors offices they dilate you’re eyes mailing your pupils bigger. Dilation is used in eye exams so the eye doctor can see your eye better

HELP PLEASE Literal Equations and Formulas

Answers

Answer:

D

Step-by-step explanation:

the sum of twice a.number and half the number is 10

Answers

Answer:

4

Step-by-step explanation:

Answer:

10=2n+(1/2n) n=4

Step-by-step explanation:

When reading the equation. Find the answer first, so when you write it out, you know what it is being compared to. Read it aloud to determine the solution clearly. Sum means add, and half means divide by 2, or 1/2.

10=2(4)+(1/2(4))

Match each number with the amount that represents 10 percent of that number.
4.3
43
430
4.3
43
OOO
0.43
4300
430



PLSSS HELPP

Answers

Answer:

4.3 - 0.43

430 - 43

4300 - 430

43 - 4.3

Step-by-step explanation: Hope this helps

Answer:

4.3 - 0.43

430 - 43

4300 - 430

43 - 4.3

Step-by-step explanation:

took the test lol

I could really use some help rn help please !!

Answers

Lines DH and EC

Diameter is twice the radius so it’s the whole circle only those two show the whole circle so it is those two

Brainliest?

wats the correct solution for -5v +4 = 2v – 6V ​

Answers

Answer:

v =  4

Step-by-step explanation:

Given

- 5v + 4 = 2v - 6v, that is

- 5v + 4 = - 4v ( add 4v to both sides )

- v + 4 = 0 ( subtract 4 from both sides )

- v = - 4 ( multiply both sides by - 1 )

v = 4

Ashley paid $14.46 for a pack of 10 pairs of sport socks. What was the price of a pair of sport socks?

Answers

144.6
$14.46x10=
144.6

does anyone think they can help??
im stuck on this one will give brainy

Answers

Answer:

see explanation

Step-by-step explanation:

∠ 1 = 42° ( alternate to ∠ FCD )

∠ CDF = 180° - 157° = 23° ( adjacent angles are supplementary )

∠ 2 = 23° ( alternate to ∠ CDF )

∠ 3 = 180° - (42 + 23)° = 180° - 65° = 115° ( sum of angles in triangle )

Thus

∠ 1 = 42°, ∠ 2 = 23°, ∠ 3 = 115°

What is the greatest common factor of 93 and 14?

Answers

It would be 1
Since 93: 3, 31
14: 2, 7

Answer:

i thnk its 1

Step-by-step explanation:

ill check later

(−3 + 8i)(−3 − 8i) =

Answers

Answer: 73

Step-by-step explanation:  

Multiply using the FOIL method, then combine the real and imaginary parts of the expression.

73

Answer:

73

Step-by-step explanation:

A water desalination plant can produce 2.8x10^6 gallons of water in one day. How many gallons can it produce in 9 days?

Answers

Answer

252

Step-by-step explanation

:just add that up then times it by 9

Fred and George own a joke shop where they make 13,450 more items than their competitor, Zonkos. If zonkos made 3,750 items, how many did Fred and George make?

Answers

Answer:

17200

Step-by-step explanation:

3750+13450=17200

3,750 + 13,450 + 17,200

What is the distance between point (-1,8) and (-3,3)

Answers

Boom there you go,hope it helps

Answer:

C= 5.4

Step-by-step explanation:

Rise: 5

Run: 2

a²+b²=c²

c=√a²+b²

c=√rise²+run²

c=√5²+2²

c=√25+4

c=√29

c=5.385164807

c=5.4

*c=hypothesis

2.
Classify the following Polynomial: -3ab^5cd^3*
(3 Points)
6th degree Monomial
6th degree Binomial
5th degree Binomial
10th degree Monomial

Answers

Answer:

10th degree Monomial

Step-by-step explanation:

[tex] - 3ab^{5}cd^{3} [/tex]

a=1

b=5

c=1

d=3

1+5+1+3 = 10

Matthew went to his local gym to work out. The ratio of his time
spent jumping rope to his time spent lifting weights was 4:5.
Matthew spent 55 minutes lifting weights. How much time did
he spend on both activities?​

Answers

Answer:

1 hour and 40 minnutes.

Step-by-step explanation:

If you mean 45 minutes, then here you go:

First, take 5 minutes from the 45 and give it to the 55, which will make the 55 into 60 and the 45 into 40. Now, you have 60 and 40, which equals 100 minutes, or 1 hour and 40 minutes.

Answer:

100

Step-by-step explanation:

45+55=100

-1/2+c=31/4

A. C=33/4
B. C=8
C. 29/4
D. 7

Answers

Answer:

A

Step-by-step explanation:

-1/2+c=31/4

-1/2+c+1/2=31/4+1/2

c=33/4

can anyone help me if i dont get my grade up i wont get to go to my vollyball games

Answers

Answer:

x = 30

Step-by-step explanation:

[tex]\frac{3}{5}[/tex](30) + [tex]\frac{1}{3}[/tex](30) = 28

[tex]\frac{3}{5}[/tex](30) = 18

[tex]\frac{1}{3}[/tex](30) = 10

18 + 10 = 28

[tex] \frac{3}{8} x + \frac{1}{3} x = 28[/tex]

[tex] \frac{9}{24} x + \frac{8}{24}x = 28[/tex]

[tex] \frac{17}{24} x = 28[/tex]

[tex]x = 28 \div \frac{17}{24} [/tex]

[tex]x = 28 \times \frac{24}{17} [/tex]

[tex]x = \frac{672}{17} [/tex]

Answer : 672/17

The picture is the proof

write the decimal as a fraction.
0.010

Answers

Answer:

1/10

0.010 is equal to 0.1

0.1 is 1/10 of 10.

The answer is 1/10.

Hope it helps!

Answer: 0.010 as a fraction equals to 1/100
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