Which of the following equations has one real solution?


2x2+x+3=0

x2+5x−3=0

x2−5x+4=0

4x2−12x+9=0

Which Of The Following Equations Has One Real Solution?2x2+x+3=0x2+5x3=0x25x+4=04x212x+9=0

Answers

Answer 1

Answer:

4x2−12x+9=0

Step-by-step explanation:

The equation, 2x2+x+3=0, does not have a solution

The equation, x2+5x−3=0, equals -5/2+1/2√37 and -5/2+-1/2√37

The equation, x2−5x+4=0, equal 1 and 4

The equation, 4x2−12x+9=0, equals only 3/2

Hope this Helps


Related Questions

What is the length of each side of this equilateral triangle?
A) 42
B) 30
C) 15
D) 12

Answers

Answer:

C I think hope you help this my answer

Answer:

15

Step-by-step explanation:

no explanation

find the measure of KH

Answers

Answer:

i dont know

Step-by-step explanation:

What is the equation of the line in slope-intercept form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

[tex]y=-\frac{1}{4}x\\[/tex]

Step-by-step explanation:

The slope is calculated by "up ÷ across".

= -1 ÷ 4

= [tex]-\frac{1}{4}[/tex]

The y-intercept is just 0 (because the line meets at the y axis at 0).

So, using [tex]y=mx+b[/tex] (where m = slope and b = y-intercept),

[tex]y=-\frac{1}{4}x+0[/tex]

but the '+0' is unnecessary so we just say [tex]y=-\frac{1}{4}x[/tex]

Write a question that has the quotient of -3/8

Answers

-6/16 hope this helps

help plzz 78 % of R340 ,00 ​

Answers

Answer:

R26,520

Step-by-step explanation:

78÷100×34000. This is the explanation

If 4 gallons of milk cost $16.24, how much would 7 gallon of milk cost

Answers

Answer:

$28.42

Step-by-step explanation:

First let's calculate the cost per gallon.

We can do this by simply dividing the cost of 4 gallons by 4

1 gallon of milk cost 16.24/4 = 4.06

We want to find the cost of 7 gallons.

We can easily do this by multiplying the cost of one gallon by 7

7 gallons of milk cost 7 * 4.06 = $28.42

13 cm
5 cm
7 cm
12 cm
Find the surface area.

Answers

Answer: 37cm

Step-by-step explanation: 5cm + 13cm + 7cm + 12cm = 37cm

Answer:

270 cm^2

Step-by-step explanation:

(13x7)+(12x7)+(5x7)+2(12x5/2)

= 91 + 84 + 35 + 60 =270 cm^2

I don’t understand this :(

Answers

Answer:

3 < S < 17

Step-by-step explanation:

picture the 10 side as the bottom

the 7 side pivoting on the right end of the 10 leg

when it swings toward the left the shortest the third side can be is >3

when it swings to the right the longest the third side can be is <17

Percent of 51,300-45,800

Answers

Answer: the percent is 112.01. please mark brainliest

Step-by-step explanation:

Which of these inequalities is graphed below


Y>2x-6
Y<2x-6
Y<2x-6
Y>2x-6



Answers

Answer:

D

Step-by-step explanation:

The line looks dotted (image quality isn't the best) so we can already exclude the inequalities with [tex]\le[/tex] or [tex]\ge[/tex]. At this point let's check an "easy" point, 0.0.

[tex](0)>2(0)-6 \rightarrow 0>-6[/tex] Which is indeed true. The correct answer is D

Plzzzzzx help meeeeee

Answers

Step-by-step explanation:

first find out the area of sector ECF

π(10)² × 40°/360°

=100π×1/9

=100π/9 m²

now find the area of sector DCG

π(2)² × 40°/360°

=4π/9 m²*

so the area of the shaded region would be the big sector minus the small sector

so

100π/9 - 4π/9

=96π/9

=33.5 m² (3sig.fig.)

*Note that 4π/9 DOES NOT equal to 2π/3

4/9 DOES NOT EQUAL TO 2/3

evaluate the following using identity ( part 2 )
4. (0.4a + 1/4 b) (0.4a - 1/4b)
5. (x + 1/y) ( x-1/y)
6. (2/3x + 3/11y) (2/3x - 3/11y)​

Answers

Answer:

refer the attachment pls

Find the slope of a line parallel to each given line.
a
-7x = 3y + 12

Answers

Answer:

[tex] - \frac{7}{3} [/tex]

Step-by-step explanation:

Y = mX + c

, since ( -7X = 3y + 12)

, then -3y = 7x + 12

, then y=

[tex] - \frac{7}{3} x - 4[/tex]

Answer:

-7/3

Step-by-step explanation:-7x divided by 12 plus -3y would give you -7/3

25% of 80
Question: find the percent of the number

Other if you could also do: 30% of 70, 91% of 60, 40% of 85, 250% of 18

Answers

Answer:

20%

Step-by-step explanation:

1. 20%

2. 21%

3. 54.6%

4. 34%

5. 45%

vanillaor chocolate?? xD lol >:>

Answers

Answer:

Chocolate for sure XD

Step-by-step explanation:

Hope this helps!! lol

7.0g divided by 5.6g/cm cubed​

Answers

Answer:

Should be 1.25cm

Step-by-step explanation:

PLS HELP, WILL GIVE BRAINLIEST!

Answers

Answer: The answer to this math question about translating this given expression to an English phrase is C). 3 more than the product of 7 and 4.

Step-by-step explanation: The keywords are times and the sum, which tells us that the 2 operations are multiplication and addition, let's translate this math expression into an English phrase by looking at the 2 operation signs "×" and "+" in order to find the words to translate the given math expression into an English phrase that looks in the equation form and an English phrase like this:

7×4+3 = 3 more than the product of 7 and 4.

I hope that my full given answer with my full given step-by-step explanation is very helpful to your own math question about translating this given expression to an English phrase, please mark me as Brainliest after her answer was been reported by someone and got deleted by The Brainly Moderator, take care, always be safe, and have a great rest of the day! :D  

Sincerely,

Jason Ta,

The Ambitious of The Brainly And The Role of The TDSB And WHCI Student of The High School.

Can anyone help me with this please I really need help with this rq .

Answers

Answer:

Step-by-step explanation:

g(x) = ax - b

-76 = 27a - b

-79 = 28a - b           Subtract

3 = -a                       Multiply both sides by  -1

a = -3

g(x) = -3x - b

-85 = -3*30 - b

-85 = - 90 - b          Add 90 to both sides

90-85 = - b             Combine

5 = - b                     Multiply both sides by - 1

-5 = b

g(x) = -3x - b

g(x) = -3x - (-5)

g(x) = - 3x + 5

Please help 20 points

Answers

Answer: y = 42°

Step-by-step explanation: You can find the second angle in that triangle because it is next to another 90° angle. Then you add 90 and 48 and subtract that number from 180 and you get 42. Hope this helps!

Answer:

42

pls mark brainliest if correct

is 10/110 an irrational or rational number

Answers

Hello there!

10/110 is a rational number because it can be expressed in the form p/q (where p is the numerator and q is the denominator)

Therefore, 10/110 is a rational number.

Hope this helps you!

~Just a felicitous girlie

#HaveAGreatDay

[tex]SilentNature :)[/tex]

Help me! Quick! Please. 25 points

Answers

Answer:

A. would be correct

Step-by-step explanation:

if 1 package is $8 and 2 packages cost $16

the ratio would be $8:1 so the unit rate would be $8 per package

can someone help me please, this is so stressful:/

Answers

X is 2 because 10 x 2 equals 20 -3 equals 17

Answer:

x=2

Step-by-step explanation:

To solve for x, you want to isolate it. To do this, move terms that are NOT x and use the opposite operation to get it to the other side.

10x - 3 = 17

(Add 3 to both sides)

10x = 20

Now isolate x (since 10x is really 10 * x, you divide)

10x=20

x=2

This is how you would solve to get the solution.

Hope this helps :D

Using the discriminate. Find the number of real solutions. 2^2+7x-15=0

Answers

Answer:

= 11/7

Step-by-step explanation:

Factor. Check by multiplying.
x²- 6x

Answers

[tex] {x}^{2} \times - 6x \\ = - 6 {x}^{3} [/tex]

- BRAINLIEST answerer

Diedre’s sister works as a lifeguard. Last summer she earned $14 per hour. She earned a total of $5,180 working
as a lifeguard last summer. How many hours did Diedre’s sister work as a lifeguard last summer?

Answers

Answer:

370 hours.

Step-by-step explanation:

Divide $5,180/14 to get your answer of the hours she worked.

Answer:

370 hours is how many she worked

14×370= 5,180

hope this helps

Solve for x.
2x-30/X+60
90
50

Ο
70
20

Answers

Answer:

It's 50

Step-by-step explanation:

Hope it helped youuh

Answer:

x = 50

Step-by-step explanation:

2x-30+x+60 = 180

3x+30 = 180

3x = 150

x = 50

The hypotenuse of a certain number is 5 units and one leg is 3 units long. Find the area of the triangle

Answers

Answer:

Area: 6

Step-by-step explanation:

It's a five, four, three triangle. Multiply 3 by 4, then divide the answer by 2 to find the area.

NEED ASAP
What are the coordinates of the midpoint of AB if A (4, 6) and B(-8, 2)?
o (6, 4)
O (-6, 4)
O (-2, 4)
o (2, 4)

Answers

Answer:

(- 2, 4 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) , then the midpoint is

( [tex]\frac{x_{1}+x_{2} }{2}[/tex] , [tex]\frac{y_{1}+y_{2} }{2}[/tex] )

Here (x₁, y₁ ) = A (4, 6 ) and (x₂, y₂ ) = B (- 8, 2 )

midpoint = ( [tex]\frac{4-8}{2}[/tex] , [tex]\frac{6+2}{2}[/tex] ) = ( [tex]\frac{-4}{2}[/tex] , [tex]\frac{8}{2}[/tex] ) = (- 2, 4 )

Midpoint be p(x,y)

P(x,y)=

[tex]\\ \sf\longmapsto \left(\dfrac{4-8}{2},\dfrac{6+2}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{-4}{2},\dfrac{8}{2}\right)[/tex]

[tex]\\ \sf\longmapsto (-2,4)[/tex]



Convert the following measurements into the indicated units:

Answers

Step-by-step explanation:

1) 2.057 kg

2)1.25× 10^-1 um

3)65.8km

4)2.78 × 10^2 mg

5)9.44 yards

6) 5.91ft

7)200000cm^3

8)1287.48km

Is 666 = 37 positive or negative?

Answers

Answer: Positive (but not sure)

Step-by-step explanation: Are there answers to the questions is so i could help more but if correct hope i helped :)

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