Answer:
Hope should not pull her defender.
Step-by-step explanation:
When Hope has pulled her defender:
The team had lost 4 times, tied 2 times, and won 3 times.
Hence, the total number of times she meets her goal is:
6 times (Since the goal is to either tie or win the game )
Hence, the probability that she meets her goal is = 6/9=2/3=0.66
When she left her defender in the game:
The team has lost 1 time, tied 3 times, and won 6 times.
Hence, the total number of times she meets her goal is: 9
Hence, the probability that she meets her goal is: 9/10=0.9
As the probability of meeting her goal is more when she left her defender in the game is more.
Hence, Hope should not pull her defender.
32ax + 12bx - 48ay - 18by
factor the polynomial
Answer:
(16a + 6b) (2x - 3y)
Step-by-step explanation:
32ax + 12bx - 48ay - 18by
(32ax - 48ay) + (12bx - 18by)
16a(2x - 3y) + 6b(2x - 3y) Factor out in both seperate expressions
(16a + 6b) (2x - 3y) Double factoring
Answer:
2(8a + 3b)(2x - 3y)
Step-by-step explanation:
32ax + 12bx - 48ay - 18by =
The first step in factoring is to factor out a common factor.
32, 12, -48, and -18 have the greatest common factor of 2.
= 2(16ax + 6bx - 24ay - 9by)
To factor a 4-term polynomial, factor it by parts. We factor out a common factor out of the first two terms, and we factor out a common factor out of the last two terms.
= 2[2x(8a + 3b) - 3y(8a + 3b)]
Now we have a common factor of 8a + 3b, so we factor that out.
= 2[(8a + 3b)(2x - 3y)]
Remove the unnecessary brackets.
= 2(8a + 3b)(2x - 3y)
Now we check every factor to confirm that no more factoring is possible.
There are no more common factors, and there are no methods of factoring binomials that are applicable, so the factoring is complete.
Answer: 2(8a + 3b)(2x - 3y)
are these two expressions equal? (q-r)^2 and q^2-r^2?????
Answer:
[tex]\boxed{\sf No}[/tex]
Step-by-step explanation:
[tex](q-r)^2[/tex]
Expand brackets.
[tex](q-r)(q-r)[/tex]
[tex]q^2 -rq -rq+r^2[/tex]
Combine like terms.
[tex]q^2 -2rq+r^2[/tex]
The expression is not equal to [tex]q^2 -r^2[/tex].
Answer:
Yes, they are.
Step-by-step explanation:
[tex](q - r) {}^{2} =( q) {}^{2} - (r) {}^{2} = q {}^{2} - r {}^{2} [/tex]
[tex](q - r) {}^{2} = q {}^{2} - r {}^{2} [/tex]
Hope this helps ;) ❤❤❤
Help please!Thank you
Answer:
f. 85
Step-by-step explanation:
All triangles add up to 180 degrees
BCE=25
then you need to find DBC, you can do that since ABD is isocilies that means all sides are equal in length and angle so 180 divided by 3 (number of side) is 60
isoceles triangle have 2 sides that are equiangular, cince we know BCA is 25 we also know BAC is 25, leaving angle ABC to be 130 (180-50=130)
we subtract angle ABD from angle ABC to get angle DBC, leaving angle DBC to equal 70 degrees
since 70 (angle DBC) + 25 (Angel BCA)= 95
we just subtrract 95 from 180 to get the answer 85 (:
Answer:
85 degrees
Step-by-step explanation:
if Δ ABD is equilateral then the 3 sides and three angles are equal
sum of angles of Δ=180
180/3=60 degrees (∠A,∠B,∠D)
ΔBCA is isosceles then the two angles A and C are equal = 25
∠B=180-50=130
∠B in Δ BEC=130-60=70
∠E+∠B+∠C in Δ BEC=180
∠E= 180-70-25=85 degrees
A small cargo plane currently has 140 pounds of cargo aboard. In addition, n boxes weighing 45 pounds each will be brought aboard. Suppose that the total weight of the cargo on board must be less than p pounds. Using the values and variables given, write an inequality describing this.
Answer:
The inequality that represents this situation is: [tex]140 + 45*n < p[/tex]
Step-by-step explanation:
Since the plane already had 140 pounds on board and "n" boxes will be loaded on it, then the weigh of each box multiplied by the number of box should be the extra cargo on the plane. This extra cargo added to the previous load must be less than the limit of cargo the plane can take as shown below:
[tex]140 + 45*n < p[/tex]
Solve, graph and give the solution in interval notation 3x+6<12
Answer:
Step-by-step explanation:
3x + 6 < 12
-6 -6
3x < 6
x < 2
x < 2
<------------o
2
Two planes make a 1750 mile flight, one flying 75 miles per hour faster than the other. The quicker plane makes the trip 3 hours faster. How long did it take the slower plane to complete the flight?
Answer:
The slower plane is flying at 175 miles per hour and complete the trip in 10 hours
The faster plane is flying at 250 Miles per hour and complete the trip in 7 hours
Step-by-step explanation:
Let s= speed of the slower plane s+75= speed of the faster plane
The time it takes the slower plane to make the flight = 1750/s
The time it takes the faster plane to make the flight is=1750/(s+75)
The difference in these two times is 3 hours
1750/s - 1750/(s+7)=3
{(s+75) / (s+75) * (1750/s)} - {(s/s) * (1750/s+75)} =3
(1750s+131250 / s^2+75s) - (1750s/s^2+75s) =3
1750s+131,250-1750s / s^2+75d =3
131,250 / s^2+75s = 3
Cross product
131,250=3(s^2+75s)
131,250=3s^2+225s
43,750=s^2+75s
s^2+75s-43,750=0
Solve the quadratic equation
x= -b +or- √b^2-4ac / 2a
a=1
b=75
c= -43750
x= -b +or- √b^2-4ac / 2a
= -75 +or- √(75)^2 - (4)(1)(-43750) / (2)(1)
= -75 +or- √(5625) - (-175,000) / 2
= -75 +or- √180625) / 2
= -75 +or- 425 / 2
x= -75 + 425/2 OR -75- 425/2
=350/2 OR -500/2
x=175 OR -250
We will ignore the negative sign because the planes are not flying Backward
The slower plane is flying at 175 miles per hour and complete the trip in 1750/175= 10 hours
The faster plane is flying at 250 Miles per hour and complete the trip in 1750/250= 7 hours
a fish weighs 2 kg plus half of its weight. what is the total weight of the fish
Answer:
3kg
Step-by-step explanation:
3kg because half of 2 is 1 which then means 2+1 will equal to 3
The total weight of the fish is = 3kg
Calculation of total weightWeight of an object or a body is the relative mass of that body in Kilogrammes.
The weight of the fish = 2kg + (1/2 × 2kg)
= 2 + 1 = 3kg
Therefore, the total weight of the fish is = 3kg
Learn more about weight here:
https://brainly.com/question/2337612
Find the vertical asymptote of f(x)=2x^2+3x+6/x^2-1 I'm having trouble with this one, seems simple tho I just don't want to make a stupid mistake,,, And here are the choices:
Answer:
x = - 1, x = 1
Step-by-step explanation:
Given
f(x) = [tex]\frac{2x^2+3x+6}{x^2-1}[/tex]
The denominator cannot be zero as this would make f(x) undefined.
Equating the denominator to zero and solving gives the values that x cannot be and if the numerator is non zero for these values then they are vertical asymptotes.
x² - 1 = 0 ← difference of squares
(x - 1)(x + 1) = 0
x - 1 = 0 ⇒ x = 1
x + 1 = 0 ⇒ x = - 1
x = - 1 and x = 1 are vertical asymptotes
first answer gets best marks
Answer:
A, B, E
Step-by-step explanation:
I attached everything that I thought it would help you.
Hope this helps ;) ❤❤❤
Please help ASAP! If correct will mark brainliest
Answer:
95
Step-by-step explanation:
a=3,b=2
3^2+3(2)-2^2
a=11,b=13
11^2+11(13)-13^2
= 95
Answer:
95
Step-by-step explanation:
If a ∆ b = a² + ab - b²,
Then (3 ∆ 2) ∆ 13:
a = 3
b = 2
3 ∆ 2 = 3² + 3 × 2 - 2² = 11
a = 11
b = 13
11 ∆ 13 = 11² + 11 × 13 - 13² = 95
The answer is 95.
Andrew wants to ride the Ultramonster roller coaster. He observes the sign at the entrance that says riders must be at least forty-three inches tall to ride the roller coaster. Since Andrew was at the doctor's office yesterday he remembers they said he wasthree and a third feet tall. Is he tall enough to ride the Ultramonster?
Answer:
No
Step-by-step explanation: he is 3 and 1/3 feet tall. 3 feet is 36inch and 1/3 feet is 4 inches, so 36+4 is 40 inches
PLEASE HELP!!!!!!!
Find the Volume of the sphere rounded to the nearest hundredth
Answer:
14130 yd^3
Step-by-step explanation:
The volume of a sphere is
V = 4/3 pi r^3
The diameter is 30 so the radius is d/2 = 30/2 = 15
V = 4/3 pi (15)^3
V = 4500 pi
Letting pi = 3.14
V = 14130 yd^3
Answer:
Last one
Step-by-step explanation:
The volume of the sphere is given by the relation:
V = [tex]\frac{4}{3}[/tex]*π*r³ r is the radius wich is here 30/2 = 15V= [tex]\frac{4}{3}[/tex] *π* 15³
V= 14137.166 yd³
wich is approximatively 14130yd³
Find the smallest number which
when multiplied with 28800 will
the product a perfect cube
furthur, find the
find the cube root of
the product.
Answer:
Step-by-step explanation:
28800 = 2 * 2 * 2 * 2 * 2 * 3 * 3 * 10 * 10
You need one 2
You need one 3
You need one 10
28800 * 2 * 3 * 10 = 2 * 2 * 2 * 2 * 2 * 2 * 3 * 3 * 3 * 10 * 10 * 10
(2*6 * 3* 3^3 * 10^3) ^(1/3)
2*2 * 3 * 10 is the cube root
120
The ratio of Ed's toy cars to Pete's toy cars was initially 5:2. After Ed gave 30 toy cars to Pete, they each had an equal number of cars. How many toy cars did they have altogether?
Answer:
140 toy cars
Step-by-step explanation:
The ratio of Ed's toy car to Pete's toy car is initially given as 5:2
Ed gave Pete a total number of 30 cars
Let x represent the greatest common factor that exists between both number
Number of Ed's car is represented as 5x
Number of Pete car is represented as 2x
Since they each have an equal number of cars which is 30 then we can solve for x as follows
5x-30=2x+30
Collect the like terms
5x-2x= 30+30
3x= 60
Divide both sides by the coefficient of x which is 3
3x/3=60/3
x=20
Ed's car is 5x, we substitute 20 for x
5(20)
= 100 cars
Pete car is 2x,we substitute 20 for x
2(20)
= 40 cars
Therefore, the total number of cars can be calculated as follows
= 100+40
= 140 toy cars
Hence they have 140 toy cars altogether
Answer:
140
Step-by-step explanation:
HELP ASAP MONEY & WAGES!
Answer: $26.70 per hour
Step-by-step explanation:
Regular hours consists of 8 hrs
Overtime hours is 12 - 8 = 4 hours
Regular pay at "x" per hour = 5(8)(x) = 40x
Overtime pay at "2x" per hour = 5(4)(2x) = 40x
Total pay = 80x
Total Pay = $2136 = 80x
[tex]\dfrac{\$2136}{80}=x[/tex]
$26.70 = x
What is the approximate diameter of a sphere with a volume of 34 cm3?
Answer:
4 centimeters
Step-by-step explanation:
The volume of a sphere can be found using the following formula:
v=4/3*π*r^3
We know the volume is 34 cm^3. Therefore, we can substitute 34 in for v.
34=4/3*π*r^3
We are trying to find r, or the radius. Therefore, we need to get r by itself on one side of the equation.
First, divide both sides by pi.
34/π=4/3*π*r^3 /π
34/π =4/3 * r^3
10.8225361= 4/3 * r^3
Next, divide both sides by 4/3, or multiply by the reciprocal of the fraction.
To find the reciprocal, flip the numerator and denominator of the fraction
4/3 ---flip top number and bottom number --> 3/4
3/4 * 10.8225361= 4/3*r^3 *3/4
3/4* 10.8225361= r^3
8.11690208= r^3
Finally, take the cube root of both sides of the equation.
∛8.11690208=∛r^3
∛8.11690208=r
2.00969477=r
Round to the nearest whole number.
r=2
Now, we must find the diameter. The diameter is twice the radius.
d=2r
The radius is 2 cm.
d= 2 * 2cm
d= 4 cm
The diameter is 4 cm
Multiply using distributive property.
(d+8)(d-4)
PLEASE HELP!!! ASAP!!!
Answer:
Step-by-step explanation:
Use F.O.I.L
F - First
O- Outside
I- Inside
L- Last
First multiply the ds from both to get [tex]d^{2}[/tex], next multiply the first d and the -4 and get -4d, then the 8 and the second d = 8d, and finally the 8 and -4 to get -32
you get [tex]d^{2}[/tex]-4d + 8d - 32
You then simplify and end up with [tex]d^{2}[/tex] + 4d -32Someone pls help me I put numbers so it will be more easier
Answer:
1.road 1
2. scooter
3. walk
Answer:
1. road 1
2. scooter
3. walk
Step-by-step explanation:
1. in the corresponding point on the tree, you have road 2. therefore, the most logical answer would be road 1.
2. you are given three options of travel. as "walk" and "bike" are already provided, they cannot be the answer to fill in for box 2. therefore, you are left with "scooter."
3. similarly, you are given three options of travel. as "bike" and "scooter" are already provided, they cannot be the answer to fill in for box 3. therefore, you are left with "walk."
hi im new and i need help picture below, please help, thank you :)
Answer:
x = 80 degrees
Step-by-step explanation:
y degrees = 180 - 55 - 45 (Angles in a triangle add up to 180 degrees)
y degrees = 80 degrees
x = y (Vertically opposite angles are equal)
So,
x = 80 degrees
Find the length of a cube with a surface area of 850cm^2 rounded to the nearest tenth. I need a step by step solution pleaseeee:)
Answer:
11.9 cm.
Step-by-step explanation:
A cube has a SURFACE AREA of 850 cm^2.
A cube has six congruent sides. That means that each side measures 850 / 6 = 141.666666667 cm^2.
Since a side measures 141.66667 cm^2, a side length will be the square root of that (the area of a square is a side length times the side length, and they are the same).
[tex]\sqrt{141.666666666667}[/tex]
= 11.90238071
So, the side length of the cube is 11.9 cm.
Hope this helps!
HELP PLEASEEEEEEEEEEEEE! Soup can be packaged in two different containers: a box and a cylinder. The dimensions of the box are 7.5 cm by 4.7 cm by 14.5 cm. The cylinder has a radius of 3.3 cm and a height of 10 cm. Determine which container uses less material to make and find out which container holds more soup. Create a design for each container shape. Be sure to name your soup!
Answer:
Step-by-step explanation:
Use the following formulas:
surface area of rectangular prism: A = 2wl + 2lh + 2hw
volume of rectangular prism: lwh
surface area of cylinder: A=2πrh+2πr^2
volume of cylinder: V=πr^2h
using these formulas, the surface area of the box is 424.3
the volume of the box is about 511.3
the surface area of the cylinder is about 275.77
the volume is 342.12
knowing this, the cylinder uses less material but the box holds more soup.
Determine the equation of a line that passes through A(2,5) and is parallel to the line defined by 3x−y+12=0. State the equation in slope y-intercept form.
Answer:
Step-by-step explanation:
-y = -3x - 12
y = 3x + 12
y - 5 = 3(x - 2)
y - 5 = 3x - 6
y = 3x - 1
HELP ASAP!!! BRAINLIEST!
Answer:
( 1/25 x^-12 y^-14 )
Step-by-step explanation:
( 5 x^6 y^7 ) ^-2
We know that ( ab) ^c = a^ c * b^c
( 5^-2 x^6^-2 y^7^-2 )
We know that a^b^c = a^(b*c)
( 5^-2 x^-12 y^-14 )
We know that a^ -b = 1/ a^b
( 1/25 x^-12 y^-14 )
hurry please!! The equation cos35°=a/25. What is the length of the line BC? Round to the nearest 10th
Answer:
25 is the same lenghth rounded
Step-by-step explanation:
aproximitly it rounded to the 10
Show the pair of straight lines are perpendicular.
C number.
Answer:
not perpendicular
Step-by-step explanation:
perpendicular line has opposite reciprocal slope
√3x-2√3 y=13
-2√3y=13-√3x
y=-13/(2√3)+√3 x/2√3
y=1/2 x-13/2√3 ( slope is 1/2)
6x-3y+11=0
-3y=-11-6x
y=-11/-3+6x/3
y=2x+11/3 slope =2
How many terms are there in the sequence 1, 8, 28, 56, ..., 1 ?
Answer:
9 terms
Step-by-step explanation:
Given:
1, 8, 28, 56, ..., 1
Required
Determine the number of sequence
To determine the number of sequence, we need to understand how the sequence are generated
The sequence are generated using
[tex]\left[\begin{array}{c}n&&r\end{array}\right] = \frac{n!}{(n-r)!r!}[/tex]
Where n = 8 and r = 0,1....8
When r = 0
[tex]\left[\begin{array}{c}8&&0\end{array}\right] = \frac{8!}{(8-0)!0!} = \frac{8!}{8!0!} = 1[/tex]
When r = 1
[tex]\left[\begin{array}{c}8&&1\end{array}\right] = \frac{8!}{(8-1)!1!} = \frac{8!}{7!1!} = \frac{8 * 7!}{7! * 1} = \frac{8}{1} = 8[/tex]
When r = 2
[tex]\left[\begin{array}{c}8&&2\end{array}\right] = \frac{8!}{(8-2)!2!} = \frac{8!}{6!2!} = \frac{8 * 7 * 6!}{6! * 2 *1} = \frac{8 * 7}{2 *1} =2 8[/tex]
When r = 3
[tex]\left[\begin{array}{c}8&&3\end{array}\right] = \frac{8!}{(8-3)!3!} = \frac{8!}{5!3!} = \frac{8 * 7 * 6 * 5!}{5! *3* 2 *1} = \frac{8 * 7 * 6}{3 *2 *1} = 56[/tex]
When r = 4
[tex]\left[\begin{array}{c}8&&4\end{array}\right] = \frac{8!}{(8-4)!4!} = \frac{8!}{4!3!} = \frac{8 * 7 * 6 * 5 * 4!}{4! *4*3* 2 *1} = \frac{8 * 7 * 6*5}{4*3 *2 *1} = 70[/tex]
When r = 5
[tex]\left[\begin{array}{c}8&&5\end{array}\right] = \frac{8!}{(8-5)!5!} = \frac{8!}{5!3!} = \frac{8 * 7 * 6 * 5!}{5! *3* 2 *1} = \frac{8 * 7 * 6}{3 *2 *1} = 56[/tex]
When r = 6
[tex]\left[\begin{array}{c}8&&6\end{array}\right] = \frac{8!}{(8-6)!6!} = \frac{8!}{6!2!} = \frac{8 * 7 * 6!}{6! * 2 *1} = \frac{8 * 7}{2 *1} = 28[/tex]
When r = 7
[tex]\left[\begin{array}{c}8&&7\end{array}\right] = \frac{8!}{(8-7)!7!} = \frac{8!}{7!1!} = \frac{8 * 7!}{7! * 1} = \frac{8}{1} = 8[/tex]
When r = 8
[tex]\left[\begin{array}{c}8&&8\end{array}\right] = \frac{8!}{(8-8)!8!} = \frac{8!}{8!0!} = 1[/tex]
The full sequence is: 1,8,28,56,70,56,28,8,1
And the number of terms is 9
Simplify
x2 + 5x + 4/X +4
Answer:
[tex] \frac{ {x}^{2} + {5x}^{2} + 4x + 4}{x} [/tex]
Isiah determined that 5a2 is the GCF of the polynomial
a3 – 25a2b5 – 35b4. Is he correct? Explain.
Answer:
No
Step-by-step explanation:
He's not correct because 5a² isn't a factor of a³ or 35b⁴; in order for something to be the GCF of a polynomial, all of the terms must be evenly divisible by it.
Answer:
a^3 – 25a^2b^5 – 35b^4
He is incorrect since the coefficient of the a^3 term is 1, the GCF cannot contain a coefficient of 5. Also, there is no a in all terms, so a^2 is also not a common factor.
i need help i will give brainlyest to who ever just tells me the answers with a small explanations
Answer:
1. 180 - 55 = 125
2. 180 - 125 = 55
3. 180 - 55 = 125
4. 180 - 70 = 110
5. 180 - 110 = 70
6. 180 - 70 = 110
7. 180 - 110 = 70
8. 180 - 141 = 39
These are all the right answers, can I please have brainliest I need 1 more.
Answer:
1. 125º
2. 55º
3. 125º
4. 110º
5. 70º
6. 110º
7. 70º
8. 39º
Step-by-step explanation:
Hey there!
1.
XVR and WVX are supplementary angles meaning we can do,
180-55 = 125º
2.
Find RVS,
180 - 125 = 55º
3.
WVS,
180 - 55 = 125º
4.
RST,
We need RSV,
55 + 55 = 110
180 - 110 = 70
180 - 70 = 110º
5.
RSV = 70º
stated in A.4
6. VSU
110º
It is across from RST meaning it is 110.
7. UST
70º
Across from RSV
8. TUS
180 - 141
= 39º
Hope this helps :)
I dont know how to do this so yeah
Answer:
a). x = 12
b). m∠H = 90°
m∠I = 58°
m∠J = 62°
Step-by-step explanation:
a). Use the property of a triangle,
" Sum of all the angles in a triangle is 180°"
(2x + 34)° + (4x + 14)° = 180°
(2x + 4x) + (34 + 14) = 180
6x + 48 = 180
6x = 180 - 48
6x = 132
x = [tex]\frac{132}{6}[/tex]
x = 12
b). m∠H = 90° [Given]
m∠I = (2x + 34)° = [(2 × 12) + 34]°
m∠I = 58°
m∠J = (4x + 14)° = [(4 × 12) + 14]°
m∠J = 62°