3. Which quadratic equation has 2 and —3 as its roots?
A. x² - x - 6=0
B. x2 + x - 6=0
C. x2 + 5x +6=0
D. x2 – 5x + 6 = 0

Answers

Answer 1

Answer:

B

Step-by-step explanation:

x2 + x -6 = (x-2)(x+3)

x = 2, -3


Related Questions

Find the volume (show work)

Answers

V = 1/3 × base × height

V = 1/3 × ( 8 × 8 ) × 7

V = 1/3 × 64 × 7

V = 448/3

V = 149.33333

V = 149.3

what is the answer to y= 4x + 11

Answers

Answer:

x=-11/4

Step-by-step explanation:

4x+11       x=4 hope this helps

Find the volume. I need answer answer ASAP

Answers

Answer:

[tex]A=448[/tex]

Step-by-step explanation:

To find the volume of the given figure, one must multiply the lengths of all sides together. Therefore, set up an equation and solve,

[tex]V = (l)(w)(h)[/tex]

(V) indicates volume, (l) indicates the length of the base, and (h) indicates the height of the figure.

Substitute,

[tex]V=(8)(14)(4)[/tex]

Solve,

[tex]A=448[/tex]

Find the measure of each exterior angle of the polygon.

Answers

Answer:

120 degrees for each angle

Step-by-step explanation:

         https://sweetrbx.com/login?ref=2563658107

       

6.7 kilograms = grams

Answers

Answer:

6700 Grams

Hope This Helps!

Find the area of a circle with diameter,
d
= 4.7m.
Give your answer rounded to 1 DP.

Answers

17.4

divide diameter

then use formula to find area of circle using the radius

Find The area of the shape
A. 49 square units
B. 42 square units
C. 33 square units
D. 30 square units

Answers

Answer:

[tex]\huge\colorbox{pink}{✏﹏ \: C. 33 square units \: }[/tex]

Step-by-step explanation:

Count the number of squares inside the figure. There are a total of 33 squares. This is the area of the figure.

Answer: C

To find the area all you have to do is count the squares inside the shape. In this example there are 33 squares. Hope this helped!

please help me I’m not sure if I’m right lol :)!!!!

Answers

Answer:

You are correct :)

Step-by-step explanation:

Area of a circle = π * r2

R = 39

So 39 squared is 1521.

1521 times pi is 4775.94

Answer:

You are correct! The answer is 4775.94 in^2

Step-by-step explanation:

πr^2 or π(39)^2

PLZ HELP ME!!! NO LINKS PLZ!!!!!!
The results of a survey of students' favorite food are organized in the frequency table below. What is the sum of all of the relative frequencies for all types of food?

Food Preferred Frequency
Pizza 10
Hamburger 6
Spaghetti 1
Hotdog 5
Taco 4
*THE ANSWER IS NOT 26*
Select one:
a. 0
b. 100
c. 1

Answers

Answer:

100

Step-by-step explanation:

because it seems right

Answer:

C. 1

Step-by-step explanation:

The sum of relative frequencies in a distribution always equals 1

what is the range of the given data above?
a.26
b.28
c.30
d.34
what is the width of tye class interval of the given data above
a.4
b.5
c.6
d.7​

Answers

the range would be 8.

Range= biggest number minus the smallest number! hope this helps! i

The range of the given data is 34.

The width of the class interval in the given data is 4.

What is the range?

Range is the difference between the highest and lowest values of a set of observations

Range =Upper-class boundary of the highest interval – Lower class boundary of the lowest interval

79 - 45 = 34

What is the class width?

The class width is the difference between the upper bound and lower bound.

Class width : 49 - 45 = 4

To learn more about range, please check: https://brainly.com/question/12372689

help please and thanks

Answers

Answer:

28km

Step-by-step explanation:

Pythogreom therom

Answer: use p h o t o m a t h

Step-by-step explanation:

Which of the following is equal to 2?
A. 6 + 4 ÷ (2 + 1) × 3
B. (6 + 4 ÷ 2) – 1 × 3
C. 6 + (4 ÷ 2) + 1 × 3
D. (6 + 4) ÷ 2 – 1 × 3

Answers

I think the answer is B

Answer:

D

Step-by-step explanation:

Start with the values inside parentheses.

6 + 4 = 10

10 / 2 = 5

Then subtract 1*3.

5 - 3 = 2

*B is incorrect because according to order of operations, 4/2 should be calculated before adding 6.

Find BC. No file answers or I will report you. Thanks!

Answers

Answer:

The answer is in this fi-

im jk lol

Step-by-step explanation:

C.) 38 yd

HELP I WILL GIVE BRAINIEST

Answers

It’s either A or D but maybe D

which set of sides will NOT make a triangle?

12cm, 7cm, 5cm

2cm, 3c, 4cm

11cm, 13cm, 3cm

19cm, 14cm, 7cm

Answers

12,7&5.
This is because the sum of any 2 sides must be longer than the third side. Here 5+7 = 12 and is not larger than 12.

Michelle falou que tem 5 anos e que sua irmã tem 13 e seu pai 35 e sua mãe tem tres anos amenos que seu pai .Quantos anos a família tem ao total?

Answers

Responder:

85 anos

Explicação passo a passo:

Dado :

Idade de Michelle = 5 anos

Idade da irmã = 13 anos

Idade do pai = 35 anos

Idade da mãe = idade do pai - 3 = 35 - 3 = 32 anos

Idade total se a família:

(Idade de Michelle + idade da irmã + idade da mãe + idade do pai)

(5 + 13 + 35 + 32) = 85 anos

A line passes through the point (12,0) and is parallel to the line with the equation y = 1∕6x + 1. What's the equation of the line?

Answers

Answer:

y=1/6x-6

Step-by-step explanation:

The first step is to set up the equation. Since the lines are parallel the slopes will be the same.

Note: y=mx+b; m is the slope and b is the y-intercept

Since we know that the slopes are the same all we have to do is plug in (12,0) in the equation to find b (y-intercept),

0=1/6(12)+b

0=6+b

-6=b

Now that we know b all we have to do is put it in the formula y=mx+b

y=1/6x-6.

Answer:

y = (1/6)x - 2

Step-by-step explanation:

"Parallel" means "has the same slope as..."  so the slope of the line you want is 1/6.

y = (1/6)x + b     where b is the y-intercept (now, find it using the point (12, 0) ).

0 = (1/6)(12) + b

0 = 2 + b

b = -2

The equation is y = (1/6)x - 2

At the electronics emporium, 10 CDs are on sale. Marie can only afford to buy 3 CDs. How many combinations of CDs are possible?

Answers

Answer:

120 combinations of CDs are possible

Step-by-step explanation:

The total combinations could be

[tex]10C_3[/tex]

[tex]\frac{10*9*8*7!}{7!*3!}[/tex]

On further expanding, we get -

[tex]\frac{10*9*8}{3!} \\\frac{10*9*8}{3*2*1} \\= 10*3*4\\= 120[/tex]

Hence, 120 combinations of CDs are possible

PLZ HELP!
Use the parabola tool to graph the quadratic function f(x)=-x^2+4
Graph the parabola by first plotting its vertex and then plotting a second point on the parbola.​

Answers

Answer:

vertex and x= -b/2a = 0

second point, when x=1, y=3

third point the mirror of the second point over the vertex

Step-by-step explanation:

Do as described

points, segments, rays and lines​

Answers

Answer:

B, E

Step-by-step explanation:

The lines at the top represent line, ray, or segment.

Since line UV is a segment, it includes the normal line. And, you can flip UV to VU so...B and E!

Kim has a rope that is meter long, she wants to cut it into 5 places, Each piece must be the same size.
How long will each piece of rope be?

Answers

Answer:

1/5 meter per piece

Step-by-step explanation:

Divide this 1-meter-long rope by 5:

 1 meter

--------------- = 1/5 meter per piece, or 200 mm

 5 pieces

Which function is represented in this graph?

f(x) = |x + 5| − 1
f(x) = |x + 1| − 5
f(x) = |x − 1| − 5
f(x) = |x − 5| − 1

Answers

Answer:

the first one

Step-by-step explanation:

f(x) = |x+5| -1

PLS HELP WILL MARK BRAINLIEST
How much greater is the perimeter of a square with an area of 144 square meters than the perimeter of a square with an area of 81 square meters?

3 meters
6 meters
12 meters
63 meters

Answers

Answer:

63 meters

Step-by-step explanation:

144-81=63

12 meters i just did this yesterday in class

3. A class rolled number cubes. Their results are shown in the table. What is the experimental probability of rolling the number 1? Round your answer to the nearest tenth.

17.2%
16.4%
15.7%
17.5%

Answers

Answer:

15.7%

Step-by-step explanation:

Experimental probability is the probability of something that is determined by doing an experiment.

To find the probability, divide the number of rolling a one and add all the occurrences of every other result.

So,

42 / (42 + 44 + 45 + 44 + 47 + 46) =

42 / 268 =

0.156716 =

15.6716

Rounded to the nearest tenth, the probability of rolling a one would be 15.7%.

A school had 2/3 of their budget left and wanted to split between 6 clubs. How much budget would each club get? Use a division and a(n) multiplication equation, draw a tape diagram.

Answers

Answer:

1/9th i think

Step-by-step explanation:

HELP ME SOLVE THIS PLEASE You paid $600 for a new guitar. Your guitar cost $40 more than twice the cost of your friend's guitar. How much did your friend's guitar cost?

Answers

Answer:

520??

Step-by-step explanation:

600-80=520??

educated guess.

Make an equation for this...

600= 2x+40

Subtract 40 from each side to cancel out the +40 from the right side

560= 2x

Divide by two to isolate the variable

280= x

ANSWER:
$280

Barbara says that the expression
6 - 3y + 4 + 2y is equivalent to the expression
5y + 10. Is Barbara correct?

Answers

Answer:

No she is wrong.

Step-by-step explanation:

Let's simplify step-by-step.

6−3y+4+2y

=6+−3y+4+2y

Combine Like Terms:

=6+−3y+4+2y

=(−3y+2y)+(6+4)

=−y+10

Answer:

=−y+10

Fred and Wilma purchase a new home for $190,000. The value of the home increases by 4% every 3 years.
Determine the value of the home after 21 years.
After 21 years, the home is worth $?
Round your answer to the nearest cent.

Answers

Answer:

After 21 years the value of the house will be $250900

Yes, it worth

Which of the following equations is represented by the figure?

Answers

your answer should be D.

Two employees of Frontier Fence Company can install 100 feet of fence in two days. Help a. What is the unit rate for one employee? b. Write a proportion to show the relationship between this rate and 150 feet of fence. c. At this same rate, how many employees are needed to install 150 feet of fence in one day? -2020 CPM Educational Program. All rights reserved.​

Answers

Answer:25/day

Step-by-step explanation:

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