Answer:
210 ways
Step-by-step explanation:
The is a permution problem.
Formula for permutations of r things taken from n things is
[tex]P(n,r) = \frac{n!}{(n - r)!}[/tex]
[tex]\frac{7!}{(7 - 3)!} = \frac{7!}{4!} = 7*6*5 = 210[/tex] ways
A lawnmower has a blade that extends out 1 foot from its center. The tip of the blade is traveling at the speed of sound, which is 1,100 feet per second. Through how many revolutions per minute is the blade turning?
Answer:
Here's li^{}
nk to the answer:
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WILL GIVE BRAINLIEST ONLY IF ANSWER IS CORRECT!!! WRONG ANSWERS JUST FOR POINTS WILL BE REPORTED!!!!!!!!!!!
Answer:
r=14 in
Step-by-step explanation:
The volume of a cylinder is given by:
[tex]v = \pi \times {r}^{2} \times h[/tex]
So,
[tex]r = \sqrt{ \frac{v}{\pi \times h} } = \sqrt{ \frac{196 \times \pi}{\pi \times 1} } = \sqrt{196} = 14[/tex]
Step-by-step explanation:
solution given.:
radius[r] =r
height[h]=1in
volume[V] of cylinder=196πin³
we have
volume[V] of cylinder=πr²h
196π=πr×1
r²=[tex] \frac{196π}{π}[/tex]
r=[tex] \sqrt{196} [/tex]
r=14in
so radius is 14in
3. Terry wants to buy 3 toys.
He can choose trucks or robots.
Complete the table to show three
different ways Terry can choose
the 3 toys.
Answer:
Robot truck robot
truck robot truck
robot robot robot
truck truck truck
Step-by-step explanation:
The area of a rectangular flower bed is 6 ½ square feet. The width of the flower bed is ¾ foot. What is the length
Answer:
8 and 2/3 or 8.666666 forever
Step-by-step explanation:
Help help me please and tell me where to put the graph points please
Answer:
y=MX+B
Step-by-step explanation:
the 4 you will put it on the y axis and you'll go down 1 since it's negative and 5 times to the right since it's positive
!NO LINKS, NO FILES!
please :)
Answer:
10
Step-by-step explanation:
Hope dis Helps
Sam's T-shirt business uses the demand function P =-Q + 26 and the
supply function P = Q-10. Acceding to these functions, what will the
equilibrium point (P,Q) be for Sam's T-shirt business?
A: (8,18)
B: (18,8)
C: (26,10)
D: (10,26)
Answer:(26,10) is your answer
Step-by-step explanation:
A company does research on their product and finds that 3/5 of people who try the product use it again. If 400 people try the product how many would we expect to use it again
Answer:
240
Step-by-step explanation:
It is 240 because that would be 3/5 of 400.
a group of 4 students buy movies tickets for $24.At this rate, how much would 20 students pay for the movies
Answer:
$120.
Step-by-step explanation:
Just multiply 4 by 5 since it makes 20. Since we know that the price for 4 people is $24, you multiply 24 by 5 since you are paying for 20 people.
(NO LINKS)
Please help this assignment is over due and I don't get it
Answer:
5
2y
40
Step-by-step explanation:
Answer:
y = 5
Because [2y] is on both sides of the equation, 8y must be equal to [40] so that the equation is true.
Step-by-step explanation:
Combine like terms to find the value of y.
8y + 2y = 2y + 40
10y = 2y + 40
8y = 40
y = 5
As we can see, we ended with 8y = 40, and 2y is the only term on both sides of the equation.
WILL MARK BRAINLIEST!!! PLEASE ANSWER!!! WRONG ANSWERS JUST FOR POINTS WILL BE REPORTED!!!!!!!!!!!!!!
Answer: 2.5
Step-by-step explanation: r= sqrt(V/pi*h)
sqrt(171/(8.7)(3.14)
Step-by-step explanation:
solution given.:
radius=[r] let
height[h]=8.7in
volume[V] of cylinder=171in³
π=3.14
we have
volume[V] of cylinder=πr²h
171=πr×8.7
r²=[tex] \frac{171}{3.14×8.7}[/tex]
r=[tex] \sqrt{6.26} [/tex]
r=2.5in
so radius is 2.5in
pls i will give 50 points
Answer:
y = |x - 1| - 1Step-by-step explanation:
This is a translation of the absolute value function:
y = |x| is translated down 1 unit and right by 1 unit:The function is:
y = |x - 1| - 1A parallelogram has an area of 324 square feet and a base of 13.5 ft. how long is the height of the parallelogram? please help me!!
How’s many solutions does the graph have and what are they?
Answer:
The graph has 2 solutions
Step-by-step explanation:
they are -5 & 3
which equation has (2, -1) as a solution
a. y=2x-1
b. y=x+3
c. y=x-3
d. y=-2x+1
Answer:
y=x-3
-1＝2-3＝-1
............
16. Which of the following
numbers should go in the
space to make the equation
true?
(4 x 2) × (6-3) = 4 x_x2
Answer: 3
Step-by-step explanation: Start off by solving the right side of the equation: 4 x 2 is 8 and 6 - 3 is 3, and then you must do 8 x 3 which is 24. Now, the equation should look like this: 24 = 4 x _ x 2. Next, you should go a step further with the left side of the equation by multiplying 4 and 2. Now, the equation should look like this: 24 = 8 x _. For the final step, you must divide 8 on both sides to solve for the missing number. Since 24 divided by 8 is 3, your answer is 3.
please need to show work
Answer:
A
Step-by-step explanation:
formula is A=2a2+4ah
A= 2*5^2+4*5*5
A=50+100
A=150
Given h(x) = -X – 2, solve for x when h(x) = 3.
Answer:
x = -5
Step-by-step explanation:
One is given a function and the value of the function at a certain output. One must set the function to the given output, and solve to find the input,
h(x) = - x - 2
h(x) = 3
Set the output equal to the input,
h(x) = - x - 2 = 3
Inverse operations,
- x - 2 = 3
+2 +2
- x = 5
*-1 *-1
x = -5
Can you guys help me finish this quiz tonight
The Answer Is g(x)=1/3x^2
Use (3,3) to find the equation.
3^2x1/3=3
Meaning y or g(x) equals 3. Which is true.
Answer:
I'm pretty sure its (A)
g(x) = [tex]\frac{1}{3} x^2[/tex]
Graph the equation. y=4(x +6)(x +4) This is a khan academy question and just write the points please
Answer:
Please see the image below.
Step-by-step explanation:
Suppose y varies directly as x and y = 20 when x = 8. What is the value ofy whenx = 12?
y =__
Answer:
y = 30
Step-by-step explanation:
Use the direct variation equation, y = kx
Plug in 20 as y and 8 as x, then solve for k:
y = kx
20 = k(8)
2.5 = k
So, the equation is y = 2.5x
Plug in 12 as x, and solve for y:
y = 2.5x
y = 2.5(12)
y = 30
So, when x = 12, y = 30
1. Find (f(g(2)) for f(x)= 3x² and g(x)= 5 - x.
Answer: 27
Step-by-step explanation:
A student solved for the radius of a circle with a circumference of 120 In which step did the student make an error?
Step 24. ZT
Step 1: C = 21
Step 2: 1271 = 2
Step 3: 12т - 2те ZT
Step 4: 6 = Tr Step 5: /
Step 6: Solving for r, the length of the radius Solving for r, the length of the radius should be cm. Tr TE 4 is crm.
In which step did the student make an error??
Step:___
Solving for r, the length of the radius should be___cm.
Answer:
r = 6 cm
Step-by-step explanation:
C = 2πr
12π = 2πr
12π/2π = 2πr/2π
(The mistake is in the next step when calculating the division.
12π/2π = 6, same way 2πr/2π = r and NOT πr)
6 = r
r = 6 cm
Answer:
In which step did the student make an error?
Step
✔ 4
.
Solving for r, the length of the radius should be
✔ 6
cm.
Step-by-step explanation:
If k(x) = 2x^2-3√x, then k(9) is
1) 315
2) 307
3) 159
4) 153
Answer:
153
Step-by-step explanation:
k(9)=2×9^2-3/9
k(9)= 2×81-9
k(9)=153
Solve for the letter t
There is a group of 8 people ordering pizza. If each person
gets 3 slices and each pizza has 5 slices, how many pizzas
should they order?
Answer:
5 pizzas
Step-by-step explanation:
8people times 3slices = 24 slices needed
24slices/ 5 pizzas per box= 4.8 you cant buy 4.8 boxes of pizza, so you round it to 5 boxes.
which best describes a graph of a two-year-old child's height over the course of a year?
Answer:
Step-by-step explanation:
First
If I spin the spinner 200 times, how many times may I expect it to land on
blue?
Assume a student shows up for EGR 280 completely unprepared and the instructor gives a pop quiz. Assume there are 6 questions, every single question is multiple choice question. Assume that each question has five options (a, b, c, d, and e), the student selects the answer randomly. Also assume that whether one question is answered correctly is independent of whether or not another question is answered correctly.
Required:
For a single question, what it the probability (p) that the student answers correctly?
Answer:
P=20%
Step-by-step explanation:
Let's suppose that each question in the test has one and only one correct answer. This means we have 1 desired outcome out of the total 5 desired outcomes. Therefore:
Probability=#of desired outcomes / #of possible outcomes
or
[tex]P=\frac{1 correct}{5 opctions}[/tex]
[tex]P=\frac{1}{5}[/tex]
P=0.20
P=20%
600% of what number is 4,200
Answer: Trust me pleas, 14.29%.
Step-by-step explanation: On my dead moms grave.
Answer:
700
Step-by-step explanation:
600% of 700 is equivalent to multiplying them:
600% × 700 = ?
600% × 700 =
(600 ÷ 100) × 700 =
(600 × 700) ÷ 100 =
420,000 ÷ 100 =
4,200