If roots of a quadratic equation are real and equal, then which of the
following options is true?

Answers

Answer 1

Answer: where are the options??

Step-by-step explanation:


Related Questions

Please help!



What is 7% of 600

Answers

Answer:

42

Step-by-step explanation:

Hope this helps

what is 3x+4/5 = 7-2x

Answers

Answer:

..jkbiuhlihuhiuuhi

Step-by-step explanation:

kguykguyufkyugyyguygyggkuy

is this correct? ILL MARK YOU BRAINIEST

Answers

Answer:

yes

Step-by-step explanation:

This is correct.

Since every operation in this is multiplication, you can remove the parentheses. This is the associative property of multiplication. Now you can group the exponents and the normal factors together.

[tex](1.5*2.0)*(10^{0} *10^{-5})[/tex]

[tex]3.0*10^{-5}[/tex]

So the answer you put is correct. But, if your test is online and has a dumb grading system (like edulastic) I suggest you put 3.0 instead of 3.

Please help me I'm failing and I'm so confused!!!!!!!

Answers

Answer:

y=9

x=26

Step-by-step explanation:

5x-17+3x-11=180

8x-28=180

8x=208

x=26

5(26)-17

130-17

113

2y+5+90=113

2y+95=113

2y=18

y=9

Answer:

x=26

y=9

Step-by-step explanation:

(5x-17)+(3x-11)=180

8x-28=180

8x=208

x=26

(2y+5)+90[the right angle]+(3x-11)=180

2y+95+3(26)-11=180

2y+84+78=180

2y+162=180

2y=18

y=9

Hello I need help with this, Don Manuel has 600m of fence to build a rectangular-shaped corral. You will take advantage of a very long wall as one of the sides of the pen, that is, on the side of the wall you will not use fence. What should be the dimensions of the pen with maximum area among all those that use 600m of fence?​

Answers

Answer:  If the wall is 300 meters long, the dimensions of the fence with the maximum area will be 300 × 150 = 45000 m²

Step-by-step explanation:

try combinations in a chart

190 × (600-190)/2 = 38950  = 190 × 205       increasing area

200 × (600-200)/2 = 40000   = 200 × 200

220 × (600-220)/2 = 41800   == 220 × 190

240 × (600-240)/2 = 43200   == 240 × 180

260 × (600-260)/2 = 44200  == 260 × 170

280 × (600-280)/2 = 44800 .  == 280 × 160

300 × (600-300)/2 = 45000  == 300 × 150  Maximum Area

310 × (600-310)/2 = 44950 . == 310 × 145    decreasing area

320 × (600-320)/2 = 44800 . == 320 × 140    

What does point (4,2) tell about the walking speed

Answers

Answer:

In 4 hours the guy walked 2 miles

Step-by-step explanation:

the 4 represents the hours and the 2 represents the miles

WILL GIVE BRAINLIEST TO CORRECT ANSWER(S)

A: What is the value of the correlation coefficient?

A: -0.93
B: 0.96
C: ±1.00
D: -0.96
E: 0.93

B: How strong is the relationship between the two data sets?

A: perfect
B: no strength
C: moderately strong
D: weak
E: very strong

If the trend continues, about how many hours would you expect a student to have studied if the student scores a 68 on the exam? Round your answer to the nearest hundredth.

A: 8.39 hours
B: 8.50 hours
C: 7.83 hours
D: 9.00 hours
E: 8.96 hours

Plz help this is was due yesterday.

Answers

Answer:

A: The correlation coefficient is a statistical measure of the strength of the relationship between the relative movements of two variables. The values range between -1.0 and 1.0. A calculated number greater than 1.0 or less than -1.0 means that there was an error in the correlation measurement.

B: he correlation coefficient is a statistical calculation that is used to examine the relationship between two sets of data. The value of the correlation coefficient tells us about the strength and the nature of the relationship. Correlation coefficient values can range between +1.00 to -1.00.

Step-by-step explanation:

Hopefully this helped!!!

what is 2.49 x 10^4 divided by 3.0 x 10^2 written in scientific notation?
A. 8.3 x 10^1
B. 0.83 x 10^2
C. 83 x 10^2
D. 830 x 1^1

HELP ASAPPPP!!!!!!!!!!!!

Answers

The rewritten form of the number 2.49 x 10^4 divided by 3.0 x 10^2 in scientific notation as required in the task content is; Choice A; 8.3 × 10¹

What is the number 2.49 x 10^4 divided by 3.0 x 10^2 written in scientific notation?

According to the task content, it follows that the result of the quotient is to be determined.

The quotient can be evaluated as follows;

= (2.49 × 10⁴)/(3.0 × 10²)

= (2.49/3.0) × (10⁴/10²)

= 0.83 × 10²

Hence, when expressed in scientific notation, the result is; 8.3 × 10¹.

Ultimately, The rewritten form of the number 2.49 x 10^4 divided by 3.0 x 10^2 in scientific notation as required in the task content is; Choice A; 8.3 × 10¹.

Read more on scientific notation;

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Can someone please help me!!

Answers

Answer:

13

Step-by-step explanation:

Firstly we would start off by simplifying the equation by doing the order of operations backward (PEMDAS -> SADMEP) and multiply -4 and -3 which would equal a positive 12

Next, we would divide 12 and -6 and get a negative 2

Finally, we would have the equation 1 - 12 + (-2)

We would solve the equation to get -13/(-1)³

This would make the -13 into a positive since any number over one is a whole number. -13 is getting divided by (-1) 3 times so it converts to a positive, then a negative, then back to a positive.

I hope this helped :3

Which statement is not true about the data shown by the box plot below?
a. Half the data lies between 53 and 74.
b. The range is 57.
c. Three fourths of the data is greater than 65.
d. The median of the lower half of the data is 53.

Answers

Answer:

c. Three fourths of the data is greater than 65.

Step-by-step explanation:

A. is right, half of the data does lie between 53 and 74.B. is right, when calculated, the range is 57.C. is wrong.D. is right, the median of the lower half of the data is 53.

I've attached a helpful image of box-and-whisker plots!

Lou is playing an online trivia game. She has 20 points and earns 4 points for
each correct answer. She will advance to the next round if her score is over 55
points.
Which inequality can Lou use to find how many more questions she must
answer correctly to advance to the next round?
O A. 4x + 55 < 20
O B. 4x + 20 > 55
O C. 20x+4 > 55
D. 4x + 20 < 55

Answers

Answer:

B. 4x + 20 > 55

Please help

Show work if you can

Thank you!

Answers

Answer:

y= -1/2 + 2

Step-by-step explanation:

To find m or the slope you need to find 2 locations that the line intercepts a point on the graph. I used (0,2) and (2,1).

Then you find the difference of the x and y coordinates. (x,y)

X-coordinates: 0 and 2.    0 - 2 = -2

Y-coordinates: 2 and 1.      2 - 1 = 1

A slope fraction is the difference of y over the difference of x coordinates. It would be written as 1/-2 or -1/2. m= -1/2

To find the b value, just look at the y-intercept or where the line intercepts the y-axis. Which is at (0,2). So b=2

Two buses, which are 2400 miles apart, travel towards each other. Their speeds differ by 60 miles per hour. They pass each other after 5 hours. Find their speeds.

Answers

According to the Question

Two buses started 2400 miles apart

They pass each other and they must have together to cover = 2400 miles

Now

Using Formula :-

Distance = Speed × Time

First bus ⇒ 5 × b = 5b

Second bus ⇒ 5(b + 60)

Now put in a Equation we get :-

5b + 5(b + 60) = 2400

5b + 5b + 300 = 2400

10b + 300 = 2400

10b = 2400 - 300

10b = 2100

b = 2100 / 10

b = 210

Hence :-

One bus speed is 210 miles

Another bus speed ⇒ 210 + 60 = 270 miles

Hi again so this problem I got stuck on can someone help me with this thank u so much and also I hope everyone had a good thanksgiving ❤️

Answers

Step by step:

A:

2x+8=-3.5x+19

2x+3.5x=19-8

5.5x=11

x=2

B:

9(x-2)=7x+5

9x-18=7x+5

9x-7x=5+18

2x=23

x=11.5

C:

3(3x+2)-2x=7x+6

9x+6-2x=7x+6

7x+6=7x+6

No solution

helpppppppppppp MY GRADES ARE DUE TMRRR​

Answers

Answer:

A x=8

Step-by-step explanation:

By vertical angles, we know that 75=5x+35

40=5x

x=8

So it is A

How do you solve n=17

Answers

Answer:

uhm chile anyways

Step-by-step explanation:

i just want points lol

Steve buys 21lbs of grapefruit and 3lbs of oranges for $7.20. Kennedy buys 4lbs of grapefruit and 2lbs or oranges for $8.80. How much was the price for a pound of grapefruit and oranges?

Answers

Answer:

19.6

Step-by-step explanation:

21+3=24

24-7.20=16.8

4+2=6

6-8.80=-2.8

19.6

Answer:

19.6

Step-by-step explanation:

21+3=24

24-7.20=16.8

4+2=6

6-8.80=-2.8

19.6

Solve the system of linear equations by substitution.

x=2y+7
3x−2y=3
solution: (
,
)

Answers

y=-4.5 and x=-2
So your first “equation equals to x so then you substitute the X in the second equation with the first equation. Which would give you 3(2y+7)-2y=3 then you solve (make sure to distribute). Which would give you y=-4.5 Can you substitute your y answer in your first equation. Which would be x= 2(-4.5)+7 then your solve

Someone please I’m begging this is due by midnight and I can’t have it be late

Answers

Answer:

(1) Coeficcient (2) Constant (3) 4 terms (4) In descending order, 2, 1, 3, 4 (5) -2 (6) 1 (7) 5 (8) 2 (9) -15, 5x, -7x^2, 2x^3 (10) -4x^2y, 2xy, 5x, 7

Step-by-step explanation:

Sorry if I got one wrong

Answer:

1) Coefficient

2) Constant

3) 4

4) 3x^2 = 2

10x = 1

6x^3 = 3

x^2y^2 = 4

5) 3

6) 2

7) 5

8) 1

9) 2x^3-7x^2+5x-15

10) -4x^3y+2xy+5x+7

BRAINLIEST!!! What is 2×3×4×5×6×7×8×9×10+0

Answers

Answer:

3,628,800

Step-by-step explanation:

The function y = (x + 4)4 is a transformation of the graph of the parent function y = x4. How is the zero of the parent function affected by the transformation?
A The zero of the function is shifted 4 units to the right.
B The zero of the function is shifted 4 units down.
C The zero of the function is shifted 4 units to the left.
D The zero of the function is shifted 4 units up.

Answers

The answer is C but not sure about it please double check it


Thank you

I hope it’s help you

The correct answer is option C which is  The zero of the function is shifted 4 units to the left.

What is a function?

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

When we plot the functions on the graph we can see that the vertex of the parabola is shifted from the ( 0,0 ) to ( 4,0 ).

Therefore the correct answer is option C which is . The zero of the function is shifted 4 units to the left.

To know more about function follow

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Lucy will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $53 and costs an additional $0.09 per mile driven. The second plan has an initial fee of $42 and costs an additional $0.13 per mile driven.

For what amount of driving do the two plans cost the same?

What is the cost when the two plans cost the same?

Answers

Answer:

The amount driven would be 275, and the cost for both plans will be 77.75$

Step-by-step explanation:

make both equations

y=0.09x+53

y=0.13x+42

set them equal to each other and solve for x to get the distance

take that number and put it in one equation and solve for y to get the price of the plan for that value

How many times the volume of the small cube is the volume of the large cube? Small cube 3x large cube 6x

Answers

Answer:

8 times

Step-by-step explanation:

volume if cube = l³

volume of small cube = (3x)³ = 27x³

Volume of Large cube = (6x)³ = 216x³

216x³/27x³ = 8

The volume of large cube = 8 × Volume of small cube

If you work 40 hours in a week and make $800. If the how much money you will make varies directly
with hours you work, how much will you make if you work 60 hours?

Answers

Answer:

$1200

Step-by-step explanation:

20 hours makes $400

so when you add 20 hours to 40 hours its basically adding $400 to $800

HELPPPPPPPPPPP

WHAT IS 67+8,900+12+14+15????

Answers

Answer:

9,008

Step-by-step explanation:

67 + 12 = 79

14 + 15 = 29

79 + 29 = 108

8,900 + 108 = 9,008

plz mark me brainliest

Answer:

9008

Step-by-step explanation:

67+8,900= 8967

8967+12= 8979

8979+14 = 8993

8993+15=9008

pls help me with this lol

Answers

Answer:

a) 95 miles

b) Chester

c) 194 miles

Step-by-step explanation:

Chart Reading

From the chart, we can know the relative distances from each place as follows:

a) From Hereford to Chester there are 95 miles

b) Kendal is 99 miles from Chester

c) If Ellen drives from Kendal to Hereford, passing by Chester, she will drive 99+95=194 miles

Note this last result is different from the direct distance from Kendal to Chester since the 201 miles are not specified if they are through Chester or not.

A grocery store sells a bag of 4 oranges for $3.80. How much does one orange cost?

Answers

Answer:

95 cents

Step-by-step explanation:

3.80/4 = 0.95

simplify (1) ✓(125 square) -1/3. (2) (18/32)-3/2​

Answers

The answers are 1. 10.8 and 2. -15/16 or -0.93



A new Youth Sports Center is being built in Pagosa Springs. The perimeter of the rectangular playing field is 236 yards. The length of the field is 2 yards less than

double the width. What are the dimensions of the playing field?

The width is yards

The length is yards.

Answers

Answer:

Width = 40 yards ; length = 78 yards

Step-by-step explanation:

Recall :

Perimeter of rectangle : 2 (length + Width)

Given that :

Perimeter = 236 yards

Let length = l ; width = w

Length = (2w) - 2

Hence ;

236 = 2[(2w - 2) + w]

236 = 2(2w - 2 + w)

236 = 2(3w - 2)

236 = 6w - 4

236 + 4 = 6w

240 = 6w

w = 240/6

w = 40 yards

Length = 2(40) - 2 = 80 - 2 = 78 yards

Me gustaría saber la respuesta

Answers

Answer:

es 2 denada......

Answer:

2

Step-by-step explanation:

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