Factor and solve 2x^2 – 3x – 20 = 0

Answers

Answer 1

Answer:

(2x + 5) (x-4)=0

Step-by-step explanation:


Related Questions

estimate 60% of 52 (WITH WORK!)

Answers

Answer:

Step-by-step explanation:

52 is 100%

you divide 52 by 10 to get 10%

5.2*6(because 60%)

=31.2

Byron lives where the people trade goods they produce for other things they need. He has some fish that he has caught, and he wants to trade them for as many bananas as he can. He asks around to find out what is being traded and finds out the following:

Five fish are worth the same as two loaves of bread.

Six oranges are worth the same as two melons.

One loaf of bread is worth the same as one banana plus three oranges.

Four loaves of bread are worth the same as fourteen oranges.

Question: How many bananas can Byron get with five fish?

Answers

Moral don’t get fruit always get vegetables

Answer:

Step-by-step explanation:

Five fish equals two bread, and two bread equals two bananas (plus however many oranges), therefore he can get two bananas.

TIMED URGENT! REALLY APPRECIATE SOME HELP! BRAINLIEST!
Calculate the slope of the line passing through the points (-1, -5) and (-9, -1)
a) undefined
b) 0
c) -0.5
d) -2

Answers

Answer: C!!!!!!!!!
Explanation: y2-y1/x2-x1!

Answer:

C

Step-by-step explanation:

(y2-y1)/(x2-x1) = slope

y2-y1 = (-1)-(-5) = 4

x2-x1 = (-9)-(-1) = -8

slope = 4/(-8) = -0.5

can someone answer the question plz?

Answers

Answer:

49π cm²

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here diameter = 14, so r = 14 ÷ 2 = 7, then

A = π × 7² = 49π cm²

Answer:

49pi cm^2

Step-by-step explanation:

[tex]a = \pi \: {r}^{2} [/tex]

Because the radius is half of the diameter, divide it by 2 to get the radius to place in the formula which is 14 ÷2 = 7

so

A = pi × 7^2

A= pi × 49cm^2

Lattice has £15000 in a savings account at the start of the year. How much will she have at the end of the year if the annual interest rate is 7.5%?

Answers

Answer:

£13 875

Step-by-step explanation:

first you have to find out how much is 7.5% of 15 000 and you find it by calculating 0,075 times 15 000 which becomes 1 125. then you take out  that answer from your first answer which is 15 000 - 1 125= 13 875

Is(1, 9)a solution to the inequality y ≤ 6x + 2?

Answers

Answer:

nope

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

It wouldn't be 1,9 it would 1,8 instead also if need help with those an app called desmos helps a lot

The graph represents the amount of money Sal earns for babysitting.

Graph where the x- axis gives time in hours and runs from zero to three and beyond. The y- axis gives earnings in dollars and runs from zero to twenty four and beyond. A straight line intersects the axes at (0, 0). Its coordinates are (5, 4), (1, 8), (1.5, 12), (2, 16), and (2.5, 20)

Part A
What does the ordered pair (2.5, 20) represent in the situation?
A. $2.50 for 20 hours
B. $1 for 0.125 hours
C. $0.125 for 1 hour
D. $20 for 2.5 hours
Part B
Does the graph represent a proportional relationship? Explain.
A.
Yes. The line passes through the origin.
B.
Yes. The line has a variable rate of change.
C.
No. The slope is not constant.
D.
No. The line has a y-intercept greater than 0.
Part C
What is the linear equation represented by the graph?
A. y = 20x + 2.5
B. y = 2.5x + 20
C. y = 8x
D. y = 0.125x

Answers

Answer: d, a, and c

Step-by-step explanation:

Part(A)

The ordered pair (2.5, 20) represents $2.50 for 20 hours. the correct option is A.

Part(B),

Yes. the line passes through the origin. The correct option is A.

Part(C),

The linear equation represented by the graph is y = 8x. The correct option is C.

What is an equation of the line?

An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.

The general form of the equation of the line:-

y = mx + c

m = slope

c = y-intercept

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given that coordinates are (0.5, 4), (1, 8), (1.5, 12), (2, 16), and (2.5, 20).

Part(A),

The ordered pair (2.5,20) represents that the earning is $20 for the work of 2.5 hours.

Part(B),

The slope of the line will be calculated as,

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( 8 - 4 ) / ( 1 - 0.5 )

Slope = 4 / 0.5

Slope = 40 / 5

Slope = 8 hours

The y-intercept is calculated as,

y = mx + c

16 = ( 2 x 8 ) + c

c = 16 - 16

c = 0

Hence, the line passes through the origin.

Part(C),

The equation of the line will be written as,

y = mx + c

y = 8x + 0
y = 8x

To know more about an equation of the line follow

https://brainly.com/question/18831322

#SPJ2

Mark wants to make an enclosure for his cows.
He has 44 metres of fencing.
He wants the width to be 8 metres less than the length.
What dimensions should the field have?
?

Answers

Answer:

the length and width be 15 meters and 7 meters respectively

Step-by-step explanation:

The computation of the dimension of the field is given below;

Let us assume the fencing be p

Length be x

And, the width be x - 8

So,

P = 44

P = x - 8 + x - 8 + x + x

= 4x - 16

Now

4x - 16 = 44

4x = 44 + 16

4x = 60

x = 15

And, the width be 15 - 8 = 7

So, the length and width be 15 meters and 7 meters respectively

would appreciate some help with this question, I am struggling!

Answers

I think you would multiply 14m x 9m which is 126m and then you would multiply 2.4m and 3.8m which is 9.12m. Last you would subtract 9.12m from 126m which is 116.88m...I’m sry if this isn’t correct

help what is the value of b?​

Answers

Answer:

44 °

Step-by-step explanation:

180- (84+52) = 44

Answer:

44 degrees

Step-by-step explanation:

A triangle has a total of 180 degrees.

First, add the 2 sides that are given to you:

84 + 52 = 136 degrees

Subtract 136 from 180 to find the remaining angle:

180 - 136 = 44 degrees

b = 44 degrees

−2 1/4=r−4/5

Help

Plz

Answers

Answer:

r=-29/20

Step-by-step explanation:

because

-2 1/4 will be -9/4=r-2/5 now you add 2/5 to both sides

witch means you have to increase the denominator to the greatest common denominator of 4 and 5 witch is 20 multiply the number used to combine with the denominator to get 20 to the numerator so itll be -45/20+16/20 witch will be -29/20 so there fore r=-29/20 or 1 9/20.

Nicole's school is selling tickets to a play. On the first day of ticket sales the school sold 3 senior
citizen tickets and 14 student tickets for a total of $232. The school took in $230 on the second day by selling 11 senior citizen tickets and 7 student tickets. Find the price of a senior citizen ticket and the price of a student ticket
100 points

Answers

Answer:

→ please refer to the above attachment ←

★ Cost of senior ticket is $12.★ Cost of student ticket is $14.

"solve for X" any help would be appreciated thankss

Answers

Answer: x = 5

Step-by-step explanation:

What would the remainder of 5672 ÷ 9 be?Please help me :(

Answers

its 630 but since this answer needs to to be 20 charters long then thats why i’m typing this:)

How do I find the area of a circle of 5 inches

Answers

Answer:

Area =πr2  

Step-by-step explanation:

Hope this Helps

1 Ft = 12 in ? Need help

Answers

Yes it does, multiply the length value by 12

Hi can you help me with this?​

Answers

Answer:

-3.9/1

Step-by-step explanation:

Answer:

I think 5

Step-by-step explanation:

9 ×+1-4 hdjxnxnnxnx

Jason's bank account had $80 in it and he started to add $5 a week. Lillian started with $50 in her account and she is adding $8 a week. How many weeks will it take them to have the same amount of money in their accounts?

Answers

Answer:

The answer is 10$

Step-by-step explanation:

The person in with 80 dollars is 30 dollars ahead but the person with 50 dollars is adding 3 dollars more a week. 30/3=10

1 thanks for me=2 thanks for you

brainliest for me= 10 thanks for you

Help me out I’m trying to sleep :(

Answers

Answer:

It’s a

Step-by-step explanation:

goodnight go sleep

The deck of a ship is 7 feet above the surface of the water. There is
also a cabin that is 14 feet below the deck. Which number describes
the elevation of the cabin?
Note: Your answer is expected to be a number without units for this
problem

Answers

-7 feet because 0 is water level and the deck of the ship is 7 feet above eatet and the cabin is 14 feet below the deck so you subtract 14 from 7 and get -7 (7-14=-7)

Use the graph to answer the question.
store
bank
VA
10-
9-
8-
7
6-
5
4
3
2
1
0-
0
park
school
1 2 3 4 5 6 7 8 9 10 11 12
Which are the coordinates of the bank?
O A. (0,3)
B. (0,7)
O c. (3,7)
OD. (7,3)

Answers

Maybe 0.7 the way you put it made it confusing

on a quiz show ,a contestant was penalized 250 points for an incorrect answer, leaving the contestant with 1050 points. how many points did the contestant have before the penalty?

Answers

the contestant had 1300 points before the penalty

ANYONE PLEASE HELP ME MATCH THESE I DONT GET IT AND HAVE 1 MINUTE LEFTTT

Answers

Answer:

1. b

2. c

3. d

4. a

5. e

Step-by-step explanation:

When the equation is written in slope-intercept form of ;

y = mx + b, then m is the slope and b is the y-intercept

In this case;

1. y= -7/6x + 1 --------- m= -7/6 ; b = 1 --------b

2. y=7/6x -1 ------------m = 7/6 ; b = -1 ---------c

3. y= x-7/6 -------------m = 1 ; b = -7/6 ---------d

4. y= -x -7/6 ----------m =-1 ; b = -7/6 ----------a

5. -x + 6/7 ------------m = -1 ; b = 6/7---------e

NEED HELPP CORRECTT ANSWERS AND WILL GIVE THANKS AND MARK BRAINLIST ONLY FOR CORRECT ANSWER

Answers

Answer is B negative

A player in a board game rolls a six-sided
number cube labeled 1 through 6 once.
Determine the theoretical probability of
rolling a 1 or 2.

Answers

Answer:

A six sided number from 1 to 6 is rolled in a game.

Step-by-step explanation:

Theoretical probability of rolling a 1 or 2.

1) The cube has 6 faces so the total number of the outcome would be 6 only.

2) As per the question we need only 1 or 2 so the favorable outcome would be 2.

3) P(E) = favorable outcome/ total number of outcome

P(E)   = 2/6

P(E)   = 1/3

Theoretical probability of rolling a 1 or 2 is 1/3

I really agree with the other persons answer. I believe it is correct

what is -4(x+3)=16-4x

Answers

Answer:

There is no solution

Step-by-step explanation:

-4(x+3)=16-4x

expand

−4x−12=16−4x

cancel out

−12=16

because −12=16 is false there is no solution.

Hope this helps :)

Write a quadratic equation for a parabola with roots at (-2, 0) & (4,0) and a y-intercept at ( 0, -16) Write your answer in factored form

Answers

9514 1404 393

Answer:

  y = 2(x +2)(x -4)

Step-by-step explanation:

The y-intercept will be a constant times the product of the roots. Here, the product of the roots is (-2)(4) = -8, so the constant of interest is -16/-8 = 2. That constant is the coefficient of the leading term of the quadratic, so is a multiplier of the factored form.

  y = 2(x +2)(x -4)

__

For root p, (x-p) is a factor in the factored form.

Which statement is a counter example to the statement.

If

Answers

Answer:

Any scalene quadrilateral will serve as a counterexample. For a conditional (if-then) statement, a counterexample must be an instance which satisfies the hypothesis , but not the conclusion .

Step-by-step explanation:

Two straight lines have equations y=px+4 and py=qx-7 where p and q are consonants
the two lines meet at point (3,1)
what is the value of Q:
a)1
b)2
c)3
d)4
e)5

Answers

Answer:

3

Step-by-step explanation:

tan30° + Cos30°/ tan30° . cos30°​

Answers

Answer:

tan30° + Cos30°/ tan30° . cos30°

1/√3+√3/2/(1/√3)×√3/2

1/√3+3√3/4

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