Answers
Answer:
the second option
Step-by-step explanation:
in ax²+bx+c = 0:
[tex]x = \frac{-b+-\sqrt{b^2-4ac} }{2a}[/tex]
subtract both sides by 6 to get to this form, as the right side will be left with 0
6x² + 8x - 6 = 0
here, the coefficient for x² (a) is 6, the coefficient for x (b) is 8, and the remaining number added on (c) is -6
plugging our numbers into the formula, we get
[tex]x = \frac{-8+-\sqrt{(-8)^2-4(6)(-6)} }{2(6)}\\= \frac{-8+-\sqrt{64-(-144)} }{12} \\= \frac{-8+-\sqrt{208} }{12} \\ = \frac{-8+\sqrt{208} }{12} or \frac{-8-\sqrt{208} }{12}\\= 0.53518375848 or -1.86851709182\\= approximately -1.87, 0.54[/tex]
Related Questions
the next model of a sport car will cost 14.9% more than the current model. The current costs $52,000. how much will the price increase in dollars ? what will be the price of the next model
Answers
Answer:
what will be the price of the next model= 59,748
Step-by-step explanation:
7748 is 14.9% of 52000
Solution:
What is 14.9% of 52000?
Y is 14.9% of 52000
Equation: Y = P% * X
Solving our equation for Y
Y = P% * X
Y = 14.9% * 52000
Converting percent to decimal:
p = 14.9%/100 = 0.149
Y = 0.149 * 52000
Y = 7748
To find the price for the next model
7748 + 52000
=> 59,748
Write an equation for the value of y in terms of x. Then solve the equation for x.
I don't know what to do when there are 2 missing variables
Answers
Answer:
Just do,
Step-by-step explanation:
(X x Z) = Y
(X/Z) = Y
what is the solution to the equation
X-5=15
Answers
Answer:
X=20
Step-by-step explanation:
15+5 is 20 so that is the logical answer
Answer:
x = 20
Step-by-step explanation:
add 5 to both sides to isolate the variable "x"
=> x - 5 = 15
=> x - 5 + 5 = 15 + 5
=> x = 20
hope this helps!! p.s. i really need brainliest :)
A trapezoidal frame measures 80 cm on one side and 100 cm on the other side. Of it is 50 cm across, what is its area
Answers
Answer:
Okay si the formula to find a trapzoid frame is 1/2 • H ( b1 + b2 )
Step-by-step explanation:
1. add the two bases
2. mutiply it by the height
3. divide it by 2
Which of the following is written as a rational function?
A. Q(x) = x2 + 6x-3
B. F(x)=x-5/3х
C. G(x) = -4x
O D. P(x) = 7x+1
Answers
Answer:
B
In mathematics, a rational function is any function that can be defined by a rational fraction, which is an algebraic fraction such that both the numerator and the denominator are polynomials.
The dues in a neighborhood increased from $24 per month to $30 per month. Find the percent of increase.
Answers
Answer:
25%
Step-by-step explanation:
Think about it like this: $24 multiplied by how much equals $30?
This in equation form would be [tex]24x=30[/tex]
To solve for x, divide both sides by 24: [tex]x=30/24[/tex] or [tex]x=5/4[/tex]
5/4 in percentage form would be 125%, so the dues increased by 25%
Find two numbers that multiply to 10 and add to 11
Answers
Answer:
2 and 5
Step-by-step explanation:
2*5 = 10 and +1 = 11
5*2 = 10 and +1 = 11
Answer:
it is 1 and 10
Step-by-step explanation:
1 x 10 = 10
and
1 + 10 = 11
A square has a perimeter of 12x 52 units. which expression represents the side length of the square in units? x 4 x 40 3x 13 3x 43
Answers
The expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.
What is the perimeter of a square?The measure of the boundary of the sides of a square is called its perimeter. The perimeter of a square is 4 times the side of the square.
[tex]P=4a[/tex]
Here, (a) is the side of the square.
A square has a perimeter of 12x +52 units. The perimeter of a square is 4 times the side of the square. Thus, the side of this square is,
[tex]P=4a\\12x +52=4a\\a=\dfrac{12x +52}{4}\\a=\dfrac{4(3x +12)}{4}\\a=3x+12[/tex]
Thus, the expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.
Learn more about the perimeter of the square here;
https://brainly.com/question/25092270
Leonard, Brandon, and Emily are tossing a football. The distances they stand from each other are shown in the diagram at the right. To the nearest tenth, what is the measure of the angle with its vertex at Leonard?
Answers
33.4°
Step-by-step explanation:[tex]AB=22tt[/tex]
[tex]BC=34tt[/tex]
[tex]AC=40ft[/tex]
[tex]cos\ C=\frac{AC^2+BC^2-AB^2}{2AC\bullet BC}[/tex]
[tex]=\frac{{40}^2+{34}^2-{22}^2}{2\times40\times34}[/tex]
[tex]=\frac{1600+1156-484}{2720}[/tex]
[tex]=\frac{2272}{2720}=\frac{71}{85}[/tex]
[tex]< c=arccos\left(\frac{77}{85}\right)\ \ \ \ \ \left\{\begin{matrix}the\ nearest\ tenth\\0.1\\\end{matrix}\right\}[/tex]
[tex]< C\thickapprox 33.4\textdegree[/tex]
[tex]Answer:33.4\textdegree[/tex]
I hope this helps you
:)
find the semiperimeter of the following triangle a=12 ft, b=16 ft, c=24 ft
Answers
Answer:
26
Step-by-step explanation:
Semiperimeter is sum of all sides divided by 2
(12+16+24)/2 = 26
2 1/2 dozen roses cost $40.50 what is the cost of a single rose
,
Answers
Answer:
$1.35
Step-by-step explanation:
=> No. of roses in a dozen = 12
=> No. of roses in half dozen = 12/2 = 6
=> No. of roses in 2 1/2 dozen = 2(12)+6 =30
=> 30 roses costs for $40.50
=> Cost of single rose = 40.5/30 = $1.35
Two angles of a quadrilateral measure 200° and 50°. The other two angles are in a ratio of 4:7. What are the measures of those two angles?
Answers
Answer:
all angles will be 200, 50 , 40 and 70 - hope this helped :)
Step-by-step explanation:
everything equals to 360 after added together
360 - 250 = 110
110 divided by 11 = 10
4:7 (x 10)
40:70
the other angels will be 40 and 70
A student has $350.00 in her account and withdrew 3/5 of it . how much money , in dollars, remains in the account
Answers
a whole, fraction wise, is always 1, so in this case we're looking at a whole of 5/5 = 1, and she withdrew 3/5, so what remained is 2/5
[tex]\cfrac{5}{5}\qquad \qquad \cfrac{5}{5}-\cfrac{3}{5}\implies \cfrac{5-3}{5}\implies \cfrac{2}{5}~\hfill 350\left( \cfrac{2}{5} \right)\implies \boxed{140}[/tex]
URGENTLY NEEDING HELP!!!!
Answers
Answer:
Its B -15i+6j
Step-by-step explanation:
What is the slope of the line passing through the points (−3, −5) and (−1, −6)?
−43
−12
12
34
Answers
Answer:
- 1/2 = m
Step-by-step explanation:
slope m = (y1-y2) / ( x1-x2) = (-5 - -6) / ( -3 --1) = 1/-2
Which value in the set {5, 6, 7, 8, 9} is a solution of the equation 20 - f = 13 ? Show your work.
Answers
-f= 13-20
-f= -7
f=7
0.8y+0.25= -0.4
Solve for y
Answers
Answer:
y = -13/16
Step-by-step explanation:
Given:
0.8y+0.25= -0.4
To Find:
Solve for y
Solution:
Multiply both sides by 100
[tex]0.8y\cdot \:100+0.25\cdot \:100=-0.4\cdot \:100[/tex]
Simplify
[tex]80y+25=-40[/tex]
Subtract 25 from both sides
[tex]80y+25-25=-40-25[/tex]
Simplify
[tex]80y=-65[/tex]
Divide both sides by 80
[tex]\frac{80y}{80}=\frac{-65}{80}[/tex]
Simplify
[tex]y=-\frac{13}{16}[/tex]
Thus, y = -13/16
or in decimal form it equal y = -0.8125
~Lenvy~
Answer:
y = -13/16
Step-by-step explanation:
Given:
0.8y+0.25= -0.4
To Find:
Solve for y
Solve:
Multiply both sides by 100
0.8y ×100 + 0.25 × 100 = -0.4×100
Simplify
80y+25 = -40
- 25 -25
----------------------
80y = -65
------ ------
80 80
y = -13/16
[RevyBreeze]
Would be appreciated if anyone could please solve!!:)
Answers
Answer:
L' = (3,9)
M'= (9, -6)
N'=(-3,-3)
O'=(-6, 18)
Step-by-step explanation:
I got those points multiplied by 3
HELP!! I only have one more try to get this problem correct.
Answers
Answer:
whats the problem
Step-by-step explanation:
Please help, I’m really bad at this
Answers
Answer:
true
Step-by-step explanation:
becuse if you put too penicils on the sides or top and bootem the points will never touch
Please help me with this problem!
Answers
Answer:
You were already correct! Good job :)
Step-by-step explanation:
1) False
2) True
3) True
4) False
25 points
Please help
Answers
Answer:
214°
Step-by-step explanation:
The external angle (marked 34°) is equal to half the difference of the arcs ACB and AB.
34° = 1/2(ACB -AB)
Together, the two arcs form a complete circle of 360°, so we have ...
34° = 1/2(ACB -(360° -ACB)) = 1/2(2ACB -360°)
34° = ACB -180° . . . . . . . . . . . . simplify
180° +34° = ACB = 214° . . . . . add 180°
The measure of arc ACB is 214°.
PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!
Answers
Answer:
O d. 720°
Step-by-step explanation:
The given polygon has 6 sides.
The sum of the interior angles can be found by the formula :
(2n - 4) x 90°[2(6) - 4] x 90°8 x 90°720°Judy has made 7 t-shirts. Each day she makes 4 t-shirts. Harry had made 11 t-shirts and makes another 3 t-shirts every day. How many total t-shirts will Judy and Harry have made after 6 days?
Answers
Answer:
60
Step-by-step explanation:
So deal with Judy then Harry
JUDY:
6 days x 4 t-shirts per day = 24 t-shirts
+ 7 t-shirts made before = 31 altogether
HARRY:
6 days x 3 t-shirts per day = 18 t-shirts
+ 11 t-shirts made before = 29 altogether
JUDY & HARRY:
Now combine both
31+29=60 t-shirts
Hope that helped! Any questions just ask! :)
Solve for x. -0.9 + 1.1 = -5.19
Answers
Answer:
Pasos para resolver una ecuación lineal
x⋅−0.9+1.1=−5.19
Resta 1.1 en los dos lados.
x(−0.9)=−5.19−1.1
Resta 1.1 de −5.19 para obtener −6.29.
x(−0.9)=−6.29
Divide los dos lados por −0.9.
x=
−0.9
−6.29
Expanda
−0.9
−6.29
multiplicando el numerador y el denominador por 100.
x=
−90
−629
La fracción
−90
−629
se puede simplificar a
90
629
quitando el signo negativo del numerador y el denominador.
x=
90
629
Step-by-step explanation:
William transforms a figure by reflecting it over y=1 and then dilating it by a scale factor of 1/3 . What must be true of the image and the original figure?
1.They are similar but not congruent.
2.They are both congruent and similiar.
3.They are congruent but not similar.
4.They are neither similar or congruent.
Answers
Answer:
1.
Step-by-step explanation:
Reflection does not change the shape, just the orientation of the shape, also keeping the same size.
Dilation keeps the same shape, but changes the size.
same shape but different size is considered similar.
Answer:
The answer is number 1!!! Hope this helps!!!
Step-by-step explanation:
0.25 1 4 16 64 enter the values used in finding a partial sum. r = a1 = n =
Answers
A geometrical series have a constant ratio. The value of r is 4, while the value of a1 is 0.25 and the value of n is 5.
What is geometrical series?A geometrical series is a series of numbers where the quotient of any two consecutive terms of the series is constant.
The given series is a geometrical series which is given as, 0.25, 1, 4, 16, 64.
Now the value of r is the ratio of any two consecutive terms of the geometrical series therefore, the value of r can be written as,
[tex]r = \dfrac{1}{0.25}=4[/tex]
The a1 of a geometrical series is the first term of the series, therefore, the value of a1 can be written as,
a1 = 0.25
The n is the number of terms in a geometrical series, therefore, the value of n can be written as
n = 5
Hence, the value of r is 4, while the value of a1 is 0.25 and the value of n is 5.
Learn more about Geometrical Sequence:
https://brainly.com/question/4617980
Answer:
r = 4
a1 = 0.25
n = 5
b for the last 2
Step-by-step explanation:
Maggie is making bags of trail mix for hiking club. She will use 20 ounces of walnuts, 11. 2 ounces of almonds, and 24. 3 ounces of cashews. This amount makes 25 bags of trail mix. How many ounces are in each bag?
Answers
Answer:
2.22
Step-by-step explanation:
Write 894,217 in expanded form and using number names
Answers
Answer:
800,000+90,000+4,000+200+10+17= 894,217
Eight Hundred thousand+ Ninety thousand+ Four thousand+ Two hundred+ Ten+ Seven= 894,217
Step-by-step explanation:
order 130 in, 4 yd in 10 ft from greatest to least
Answers
Answer: 4 yd, 130 in, 10ft
Step-by-step explanation:
So first you turn everything into inches
130 inches is already in inches.
4 yards = 12 ft
1ft = 12 in
12 *12 = 144 in
so 4 yards is 144 inches
10 ft = 12*10
12*10 = 120
so 10ft is 120 inches
144 inches is the greatest and 120 inches is the least.
The answer needs to be in the original form.