anyone please help me​

Anyone Please Help Me

Answers

Answer 1

[tex]\\ \sf\longmapsto x^2-4x-5=0[/tex]

Use midterm splitation

[tex]\\ \sf\longmapsto x^2-5x+x-5=0[/tex]

[tex]\\ \sf\longmapsto x(x-5)+1(x-5)=0[/tex]

[tex]\\ \sf\longmapsto (x-5)(x+1)=0[/tex]

[tex]\\ \sf\longmapsto x=5\:or\:x=-1[/tex]

Solution is (-1,0) and (5,0)

Graph attached.

Spare way:-

Use quadratic formula .

[tex]\\ \sf\longmapsto x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{-(-4)\pm\sqrt{(-4)^2-4(1)(-5)}}{2(1)}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{4\pm \sqrt{16+20}}{2}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{4\pm 6}{2}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{10}{2}\:or\:\dfrac{-2}{2}[/tex]

[tex]\\ \sf\longmapsto x=5\:or\:-1[/tex]

Anyone Please Help Me
Answer 2

[tex]x {}^{2} - 4x - 5 = 0 \\ x {}^{2} + x - 5x - 5 = 0 \\ x(x + 1) - 5(x + 1) = 0 \\ (x + 1)(x - 5) = 0 \\ x + 1 = 0 \\ x - 5 = 0 \\ x = - 1 \\ x = 5[/tex]

The equation has two solutions:x=5, x=-1

Graph is in the attachment!!
Anyone Please Help Me

Related Questions

1. Tính:
a) 2x*(2x^2-3x+5)+6x^2
b) (2+x)*(2-x)-4
c) (x+5)^2-10x
2. Tìm x, biết:
a) 3*(x^2-2x+1)=3x^2+3
b) (3-x)^2-(x-1)*(2+x)=0

Answers

Answer:

1.b (2+x)*(2-x)-4

2.a 3*(x^2-2x+1)=3x^2+3

Evaluate the expression when m=6

m²-5m-4

Answers

[tex]\huge\text{Hey there!}[/tex]

[tex]\large\boxed{\mathsf{m^2 - 5m - 4}}\\\large\boxed{\mathsf{= 6^2 - 5(6) - 4}}\\\large\boxef\large\boxed{\mathsf{= 36 - 30 - 4}}}\\\large\boxed{\mathsf{= 6 - 4}}\\\large\boxed{= \textsf{2}}}\\\huge\boxed{\text{Therefore, your answer is: \textsf 2}}\huge\checkmark[/tex]

[tex]\huge\textsf{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

x²-2xy-4z²+y² x=1 y=2 z=0

Answers

Answer:

the answer is 1.

Step-by-step explanation:

x²-2xy-4z²+y²

given:

x=1 y=2 z=0

now,

=1^2-2*1*2-0+2^2

=1

hope it helps ..thank u

I need help with this

Answers

i think tha answer is a

Find all missing angles m 1, m 2, m 3, and m 4

Answers

if i remember how to do this right:
m 1= 56°
m 2= 18°
m 3= 131°
m 4= 31°




sorry if this isn’t right, i tried

Answer:

i thinks it on a app

Step-by-step explanation:

yea the wedsite is

what is 25= n+20 ?????will mark brainliest

Answers

Answer:

n = 5

Step-by-step explanation:

5 + 20 = 25

therefore n = 5

Find real numbers a and b such that the equation is true.

a + bi = 7 + 6i

Answers

The A=7 and the B=6 tell me if it’s wrong

BRIANLIST ANSWER pls help i meant to put science

Answers

Answer:

I'd say Yev's description is best because it's the most specific to what it actually is in terms of science, while everyone else's descriptions are more like examples of different types and stages of energy, and where it could be found.

Hope this makes sense to ya :)

Area work I’ve completely forgotten how to do it

Answers

area of triangle=BxH/2
18x4/2
36/2
=18

Answer:

18 x 4 = 72

72/2 = 36

36 is the answer

Step-by-step explanation:

y = 3 x ² + 1 , if the input is 4 , what us the output

Answers

Answer:

the out put would be 49

Step-by-step explanation:

candice king is candice king

Solve for x.

x−1.2=3

Answers

Hello!

Answer:

x=4.2

Step-by-step explanation:

first, you want to add 1.2 to both sides

x-1.2+1.2=3+1.2

=x=4.2

= x=4.2 :)

Hope this helps!


Name all trigonometric ratios that are equivalent to 3/5

Answers

Answer: if (1/x) = (3/5) then

x = 5/3.

As far as equivalent ratios to 3:5 go, there are an infinite number

3:5 = 6:10 = 12:20 = 1.5:2.5

Step-by-step explanation:

^

Did I choose the right answer to this

Answers

Answer:

honestly, i think it would be d

Step-by-step explanation:

i could be wrong, but i hope this helps :)

PLEASE HELP PLEASE PLEASE HELP PLEASE​

Answers

Answer:

2

Step-by-step explanation:

it dot number 2 to click

Answer:

0 ≤ months ≤ 12

Step-by-step explanation:

Domain is the x-values and axis, so it is 0 to 12.

Hopefully this helps!

Brainliest please?

First, and correct answer gets brainliest, also worth 50 points

Answers

One angle be x

other is 2x-6

ATQ

[tex]\\ \sf\longmapsto x+2x-6=90[/tex]

[tex]\\ \sf\longmapsto 3x-6=90[/tex]

[tex]\\ \sf\longmapsto 3x=96[/tex]

[tex]\\ \sf\longmapsto x=32[/tex]

[tex]\\ \sf\longmapsto 2x-6=2(32)-6=58°[/tex]

Answer:

58°

Step-by-step explanation:

The measure if one 2 complementary angle is 6 less than the measure of the other => x + 2x - 6° = 90°

x + 2x - 6° = 90°

3x = 90° + 6°

3x = 96°

x = 96° : 3

x = 32°

Substitution :

2x - 6°

= 2 × 32° - 6°

= 64° - 6°

= 58°

Somebody please help me

Answers

Answer:

3750

Step-by-step explanation:

A pitcher contains 4.5 pints of iced tea. How many fluid ounces of iced tea are in the pitcher?

Answers

Answer: 72 ounces

Hope this helps!

f(x) = sqrt(2x); g(x) = sqrt(8x) Find (fg)(x) Assume x >= 0

Answers

The functions f(x) and g(x) combine to form a composite functions

The value of the composite function f(g(x)) is [tex]\sqrt{4\sqrt{2x}[/tex]

How to determine the function (fg)(x)

The functions are given as:

[tex]f(x) = \sqrt{2x[/tex]

[tex]g(x) = \sqrt{8x[/tex]

To calculate (fg)(x), we have:

[tex]f(x) = \sqrt{2x[/tex]

This gives

[tex]f(g(x)) = \sqrt{2g(x))[/tex]

Substitute [tex]g(x) = \sqrt{8x[/tex]

[tex]f(g(x)) = \sqrt{2*\sqrt{8x}[/tex]

Simplify

[tex]f(g(x)) = \sqrt{4\sqrt{2x}[/tex]

Hence, the value of the composite function f(g(x)) is [tex]\sqrt{4\sqrt{2x}[/tex]

Read more about composite functions at:

https://brainly.com/question/10687170

Answer:

f.g x = 4x

Step-by-step explanation:

Write three fractions that are equivalent to 5/7

Answers

Answer:

10/14 or 10 over 14, 15/21 or 15 over 21, and 20/28 or 10 over 28

Step-by-step explanation:

you multiply both numbers by 2, 3, and 4 to make equivalent fractions.

Brainliest would be appreciated thank you!

Please help me with this question

Answers

Answer:

(0, -2)

Step-by-step explanation:

Function Intercepts "y" in this point

I hope this help you

(0,-2) because that’s the only time the function crosses the y-axis

HELP, please I'm stuck

Answers

Answer is b have a nice day

help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

7200

Step-by-step explanation:

The number was 72. you move the decimal 2 places to the right (left if it was negative) There are no numbers there. So you add 0's .

(Sorry if I did not explain good enough. I am not very good at explaining things.)

Somebody help me please

Answers

Answer:

Step-by-step explanation:

Question 9 (1 point) Which of the following does NOT describe mass?
a remains constant
b a measure of matter
C a measure of gravitational force
d measured in kilograms ​

Answers

C. A measure of gravitational force

The answer is a measure of gravitational force

vx-w=2
rearrange it and make x the subject

Answers

Answer:

[tex]vx - w = 2 \\ vx = 2 + w \\ x = \frac{2 + w}{v} [/tex]

55
(x + 30)
Find the value x

Answers

x=25 because 30+25=55. and 55-25=30

What are the values of x and y?

Answers

Answer:

D should be correct

Step-by-step explanation:

Lets create an equation.

7x + 1 + 4x - 8 + 120 + 12y = 360

We will now try all options to see which one fits perfectly.

----------------------------------------------------------------------------------

A) x = 3, y = 10

7(3) + 1 + 4(3) - 8 + 120 + 12(10) = 360

=> 21 + 1 + 12 - 8 + 120 + 120 = 360

=> 266 ≠ 360 (False)

----------------------------------------------------------------------------------

B) x = 1, y = 12

7(1) + 1 + 4(1) - 8 + 120 + 12(12) = 360

=> 7 + 1 + 4 - 8 + 120 + 144 = 360

=> 268 ≠ 360 (False)

----------------------------------------------------------------------------------

C) x = 32, y = 10

7(32) + 1 + 4(32) - 8 + 120 + 12(10) = 360

=> 224 + 1 + 128 - 8 + 120 + 120 = 360

=> 585 ≠ 360 (False)

----------------------------------------------------------------------------------

D) x = 17, y = 5

7(17) + 1 + 4(17) - 8 + 120 + 12(5) = 360

=> 119 + 1 + 68 - 8 + 120 + 60 = 360

=> 360 = 360 (True)

----------------------------------------------------------------------------------

Kind requests:

Please give me brainliest :)

How do you write a number to the power of something ?
( ex : 125 to the power of 5 )

Answers

Answer:

How do you write a number to the power of something ?

( ex : 125 to the power of 5 )

125⁵

thats it easy as much

help please i dont know what to do​

Answers

okay so for the first one it's 3b-16

but when you see b=8 you would rewrite it as 3×8- 16 and once you do that you should have the answers you do the same thing for the rest of them :)

All you do is replace the a’s and b’s in the expressions with the values they give you.

For example, for 3b - 16, you put 3(8) - 16 because they state that b = 8.

Message me if you need more help

A newspaper collected information on schools in its circulation area in order to compare their quality. Two measures the newspaper collected for each school, mean class size and mean score on a statewide reading exam, are shown in the scatterplot. One school in the report, Springside Elementary, is labeled in the graph.

Which is a true statement regarding Springside?
Springside does not affect the correlation.
Springside weakens the correlation shown in the scatterplot.
Springside strengthens the correlation shown in the scatterplot.
Removing Springside would increase the value of the correlation coefficient.

Answers

Interpreting the scatterplot, it is found that the correct option is:

Springside weakens the correlation shown in the scatterplot.

In the scatterplot, the mean test score is plotted as function of the mean class-size.From this, we can verify that as the mean class size increases, the mean score decreases, that is, there is a negative correlation between the mean class size and the mean test score.However, for Springside, the mean test score is greater than most other schools with smaller class sizes, which is a different result than expected, thus, it weakens the correlation, and the correct option is:

Springside weakens the correlation shown in the scatterplot.

A similar problem is given at https://brainly.com/question/13961820

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