Mathematics High School

Select the two values of x that are roots of this equation 3x^2 + 1 =5x ??
PLZZ HELP

Answers

Answer 1

Answer:

x = .23

x = 1.43

Step-by-step explanation:

1. The root of a polynomial is when the y-value equals 0. So set the equation euqal to 0:

[tex]3x^{2} -5x+1=0[/tex]

2. Solve with the quadratic formula and you get:

[tex]\frac{5+\sqrt{13} }{6}[/tex] and [tex]\frac{5-\sqrt{13} }{6}[/tex] which is x = .23 and x = 1.43.

 

Answer 2

Answer:

here is my answer

Step-by-step explanation:

Select The Two Values Of X That Are Roots Of This Equation 3x^2 + 1 =5x ??PLZZ HELP

Related Questions

In this figure, sin(a) = 2 3 What is the value of cos(b) ? A) 1 3 B) 2 3 C) 2 3 D) 3 2​

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Answer:

where is the figure .....

Write the equations of the line that passes through the point (4,3) and is parallel to the line y=2x−4 . Write the equation in slope-intercept form

Answers

Answer:

y=2x+5

Step-by-step explanation:

I used 2 as the slope bc we were given an equation above: y=2x-4. Since parallel lines have same slopes and different y-intercepts, hence, I easily got 2 as the slope.

Please help on these

Answers

Answer:

14. (-8, 12)   15. (6, 7)

Which of the following objects exerts a gravitational force?م the Sun the Moon the Earth a basketball an apple​

Answers

Answer:

Please rate as brainliest.

Step-by-step explanation:

The Moon exerts its force of gravity; since it's smaller and lighter than Earth, we would discover we weigh around a sixth of our weight on Earth if we could weigh ourselves on it. One could ask why the Moon doesn't fall on Earth as an apple from the tree.

please help me with this question!

Answers

The second one is a geometric sequence


[tex]4 \times {8}^{x + 1} = {2}^{2x} [/tex]
Calculate the value of x​

Answers

Answer:

[tex] - 2[/tex]

Step-by-step explanation:

2^2×2^3(x+1)=2^2x

same base cancel,you will get

2+3x+3=2x

take same variable then - or + you will get

[tex]x = - 2[/tex]

Answer:

x=-5

Step-by-step explanation:

2^2×2^3(x+1)=2^2xsince they have the same Base we equat the exponents2+3(x+1)=2x2+3x+3=2x group like terms3x-2x=-3-2x=-5

Debbie bought x pens. She paid $0.75, including tax, per pen. She gave the cashier $20 and received $8.75 in change. How many pens did Debbie purchase?

Answers

Answer:

15

Step-by-step explanation:

if she gave 20$ and got 8.75$ in change, she payed 11.25$

11.25$ (total) / 0.75 (per pen)= 15 (pens she bought)

clothing store sells four shirts for $60.00. The next week, the store runs a special that is buy three shirts for $19.50 each, get the fourth free. Which is the better buy?​

Answers

Answer:

the 19.50 for each one

Step-by-step explanation:

Answer:

its 19.50 get the fourth free

Step-by-step explanation:

A hiking trail rises 6 feet for every horizontal change of 100 feet. What is the slope of the hiking trail?

Answers

Given:

A hiking trail rises 6 feet for every horizontal change of 100 feet.

To find:

The slope of the hiking trail.

Solution:

We have,

Rise = 6 ft

Run = 100 ft

We know that

[tex]Slope=\dfrac{Rise}{Run}[/tex]

[tex]Slope=\dfrac{6}{100}[/tex]

[tex]Slope=0.06[/tex]

Therefore, the slope of the hiking trail is 0.06.

The slope of the hiking trail is equal to 0.06.

Given the following data:

Vertical distance (rise) = 6 feetHorizontal distance (running) = 100 feet

To find the slope of the hiking trail, we would use the following formula:

Slope is the ratio of the vertical distance measured to the horizontal distance measured.

Mathematically, the slope of a hiking trail is given by the formula:

[tex]Slope = \frac{Rise}{Running}[/tex]

Where:

V is the rising vertical distance of an object.H is the horizontal distance an object runs through.

Substituting the given parameters into the formula, we have;

[tex]Slope = \frac{6}{100}[/tex]

Slope = 0.06

Read more on slope here: https://brainly.com/question/3514403

How many solutions does the system have? 13x + 4y = 33 26y + 8x =66

Answers

Answer:

55

Step-by-step explanation:

That only has one solution

Explanation: the lines intersect and if they intersect it only has one solution


Hope this helped

Help help HELPP plsss

Answers

Answer:

130

Step-by-step explanation

that corner is same as the one across it sorry I don’t know how to explain it very well but it’s Angel is linear to the one across it mean it’s the same

Answer:

C. 130 degrees

Step-by-step explanation:

The total degrees of the interior angels of a six sided ploygon is 720, so all you need to do is add the shown angles together and subtract that number from 720:

130 + 130 + 130+ 100 + 100 = 590

720 - 590 = 130

Lateral surface area of this gift box

Answers

I think it’s letter C

In a regular polygon each interior angle is 140° greater than each exterior angle. Calculate the number of sides of the polygon​

Answers

Answer:

18 sides.

Step-by-step explanation:

The interior and exterior angles sum to 180 so:

       I + E = 180

also  I - E = 140       (given)

So, adding to eliminate E:

      2I = 320

I = 160 degrees and the external angle E = 1809 - 160 = 20 degrees.

Since the sum of all exterior angles in a polygon = 360 degrees

- the number of sides = 360 / 20 = 18.

help with full calculations, please

Answers

Answer:

Step-by-step explanation:

8) B(x) = [tex]5^{x +1}[/tex]

[tex]5^{x + 1} = 3125 \\\\5^{x +1} = 5^{5}\\\\[/tex]

Compare the exponents,

x + 1 = 5

   x = 5 - 1

   x = 4

[tex]10)2^{x-4}=512\\\\2^{x -4} = 2^{9}\\\\[/tex]

Compare exponents,

x - 4 = 9

    x = 4 + 9

    x = 13

Determine the value of x. Assume the segments that appear tangent
are tangent

Answers

9514 1404 393

Answer:

  x = 12

Step-by-step explanation:

Segment lengths of each chord have the same product.

  (x -2)(x +6) = 9×20

  x² +4x -12 = 180

  x² +4x +4 = 196 . . . . . add 16 (complete the square)

  (x +2)² = 14²

  x +2 = 14 . . . . . . . . . . . positive root is the only one useful

  x = 12

if x ≠ 0 then what is x^0?

Answers

Answer:

1

Step-by-step explanation:

Remember that anything to the 0th power is going to be 1 in terms of exponent rules!

Answer:

x

Step-by-step explanation:

because if you are dong it 0 times it would be just x (make sense?)

Which is a secant? MH CT CD

Answers

Answer:Hence, the secant is: CD

( Also MH is not a secant since it does not intersect the curve at any point.

Step-by-step explanation:

Hope this helps :) and plz mark me branliest :)

Elias had 3 time as much money as munah.Elias spent $240 and munah received $60 from her brother. In the end.Elias and munah had the same amount of money.How much did elias have at first

Answers

Answer:

$450

Step-by-step explanation:

let m represent the amount of money munah has

That means elias would have 3 * m or 3m dollars.

Then, you have m + 60 = 3m - 240

solve:

[tex]m + 60 = 3m -240\\300 = 2m\\m = 150[/tex]

So munah started with $150. Since elias has 3 times as much, they have 150 * 3 = 450

Solve the following system of equations graphically on the set of axes below.
y= -3/5x+2

y= x-6

Answers

Answer:

(5, -1)

Step-by-step explanation:

can someone answer 1 and 2
they both have a part ABC

Answers

Answer:

1.

x=# of purple marbles

y=# of yellow marbles

y=3x

y+x=164

3x+x=164

4x=164

x=41

There are 41 purple marbles and 41*3=123 yellow marbles.

2.

L=large fries

H=hamburger

H=1.15+L

2H+L= 8.60

2.3+2L+L=8.60

2.3+3L=8.60

3L=6.3

L=2.1

A large fries costs $2,1 while a Hamburger costs 1.15+2.1=$3.25.

Hello, I need help don't answer the first 3

Answers

Answer:

5. all relations are a function

6. number 4 is not a function

7. 4 is not a function

8. all are functions

9.c

10. x-2=y

11. 2/3

Step-by-step explanation:

PLEASE HELP FAST RIGHT NOW FOR BRAINLIEST AND LOTS OF POINTS

Answers

Ok hope it will be good

PLEASE HELP ME I BEG OF YOU PLEASE I REALLY NEED HELP

Answers

Answer:

Step-by-step explanation:

A line adds up to 180 degrees

180 - 81 = 99 degrees

Answer:

99 degrees

Step-by-step explanation:

These are Supplementary Angles:

Supplementary Angles are two angles that equal 180 degrees, this can be determine if the main line is a straight line, s for straight angle

A straight angle is 180 degrees, so simple subtraction:

180-81=99

I hope this helps!

please give thanks, maybe brainliest?

Juan has 240 marbles. This is three times as many marbles as Jon and Jeremy have combined. If Jon has 50 marbles, how many marbles does Jeremy have?

Answers

Answer:

30

Step-by-step explanation:

Let x = number of marbles Jon has

y = number of marbles Jeremy have

3(X + Y) = 240

3(50 + Y) = 240

Divide both sides by 3

50 + Y = 80

Solve for y

Y = 30



HELP PLS HELP !!!!!!!




You bought a brand new car for $45,000. The car depreciates at approximately 7%
per year. How much will the car be worth after 8 years? Round to the nearest whole
dollar.

Answers

Answer:

19,800

Step-by-step explanation:

7x8 is 56 then you take 56% away from 45k

help me out with this pls (multiple choice)

Answers

Answer:

45 90 45 special triangle

y = 5 (45 sp triangle rule)

x = √50 = 5√2

answer: b

SOMEONE PLEASE HELP ME

Answers

#1 is similar to write it out it’s triangle FHG ~ triangle KJL #2 is also but #3 and #4 aren’t

Need help pleases what’s the answer

Answers

3/2is the answer

correct if wrong

- 2x – 3y+ | y
-2x-3y+ |y|

Answers

Answer:

Step-by-step explanation:

Pls help me with this question!!

Answers

Answer:

B: 0.1

Step-by-step explanation:

5 x [tex]10^{5}[/tex] = 500000, which is exactly 0.1 the size of Colorado. Just multiply Wyoming by 10 and you'll get exactly 5 million

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