Answer:
9/20
Step-by-step explanation:
i tried and got it wrong. it is 9/20
It took the computer 120 days to break the code. How many
hours did it take?
Hi Student!
Looking at the question we can see that we are given a number which is 120 days. The question is asking for us to convert the amount of days it took to break the code into hours. We can do this by multiplying the amount of days that we have by 24 because there are 24 hours in a day. The days would cancel and that would result us with just hours left.
[tex]120\ days*\frac{24\ hours}{1\ day}[/tex]
[tex]\frac{120\ days\ *\ 24\ hours}{1\ day}[/tex]
[tex]\frac{2880\ hours}{1}[/tex]
[tex]2880\ hours[/tex]
Therefore, our final answer is that it took the computer 2880 hours to break the code after we converted the days to hours.
what are the solutions to 3x^2+13x=10?
Answer:
Step-by-step explanation:
i hope these help
What's the square root of Pi times the c length of a right triangle with the a measurement of 12 and the b measurement of 10?
Answer:
[tex]2\sqrt{61\pi }[/tex]
Step-by-step explanation:
Let's find c by using the Pythagorean Theorem: [tex]10^2 + 12^2 = c^2[/tex] so [tex]c = \sqrt{10^2 + 12^2}[/tex]. I'm going to leave c like this so it is easier to multiply by [tex]\sqrt{\pi }[/tex]. [tex]c\sqrt{\pi } = \sqrt{10^2 + 12^2}\sqrt{\pi } = 2\sqrt{61\pi }.[/tex]
Hope this helped! :)
In order for a gear to work in a piece of machinery, the radius of the gear, r, must be greater than 4 cm, but not exceed 4. 1 cm. Which compound inequality represents the situation? r > 4 and r ≤ 4. 1 r > 4 or r ≤ 4. 1 r < 4 and r ≥ 4. 1 r < 4 or r ≥ 4. 1.
Answer:
see the attachment!
i hope this can help you!
The solution (-4,0) is a solution to which of the following equations? How do you know?
a)3y-x=4
b)10x+1/2y=3
c)-2x-3y=-4
d)-6x+2y=24
Answer:
Correct option is A)
If the solutions to the equations are 8 and −4, the factored form of the equation is : (x−8)(x+4)=0
Use FOIL to find the quadratic form: x
2
−4x−32=0. Therefore, the correct equation is (A)
Step-by-step explanation:
What do you think?
Don't forget to follow narin ty
Solve. 12 1/2 - (-4 1/2)
Answer:
17
Step-by-step explanation:
two negative signs makes a positive result
Pls find equation of parabola
Answer:
y = - 3x² + 6x + 9
Step-by-step explanation:
given the zeros of a parabola x = a , x = b , then the factors are
(x - a) , (x - b)
here the zeros are x = - 1 and x = 3 , then
factors are (x + 1) and (x - 3)
the equation of the parabola is then the product of the factors, that is
y = a(x + 1)(x - 3) ← a is a multiplier
to find a substitute the point (0, 9 ) into the equation
9 = a(0 + 1)(0 - 3) = a(1)(- 3) = - 3a ( divide both sides by - 3 )
- 3 = a
then equation is
y = - 3(x + 1)(x - 3) ← expand factors using FOIL
= - 3(x² - 2x - 3) ← distribute parenthesis by - 3
y = - 3x² + 6x + 9
Solve for x. 8x-6=10x-8
Answer:
x=1
Step-by-step explanation:Let's solve your equation step-by-step.8x−6=10x−8Step 1: Subtract 10x from both sides.8x−6−10x=10x−8−10x−2x−6=−8Step 2: Add 6 to both sides.−2x−6+6=−8+6−2x=−2Step 3: Divide both sides by -2.−2x−2=−2−2 x=1
Question 1 (10 points)
07.01 MC)
Part A: Explain why x = 5 makes 4x-1 s 19 true but not 4x-1 <19. (5 points)
Part B: What value from the set (6, 7, 8, 9, 10) makes the equation 5x+2=47 true? Show your work. (5 points)
GIVE EXPLANATION PLEASE ALONG WITH THE ANSWER
Answer:
7.4,000
8.23,000
9.1,000
Step-by-step explanation:
I'm teacher
What is the average speed of a turtle that moved 50 inches in 5 minutes? (speed = distance ÷ time)
A.
55 inches per minute
B.
10 inches per minute
C.
0.1 inches per minute
D.
250 inches per minute
Answer: It would be B 10 inches per minute
Step-by-step explanation: Because if it is (Speed=distance/time) that would mean you would divide 50 into 5 which would be 10 50/5 5x10=50
1) How big is a horsefly if 1 cm = 1m?
2) How big is the ghost if 1 cm= 20 cm?
3) How big is the kitty if 1 cm = 10 cm?
PLS I NEED HELP QWQ
Answer:
∠APB = 106°
Step-by-step explanation:
Method 1: Focus on Triangle APB
Every angle of equilateral triangle ABC is 60°
∠BAP = 60°
∠ABP = 60° - 46° = 14°
Total degrees in one triangle is 180°
∠APB = 180° - 60° - 14° = 106°
Method 2: Exterior Angle Theorm
∠APB = ∠PBC + ∠PCB
∠APB = 46° + 60°
∠APB = 106°
A square has an area of 81 square inches. What is its perimeter?
Area of square = [tex]s^2[/tex] where, [tex]s[/tex] is the side length of the square.
[tex]81=s^2[/tex]
[tex]9=s[/tex]
s must be positive since it is a side length, so the negative root of 81 is rejected.
Perimeter= [tex]4s[/tex]
Perimeter= [tex]4(9)=36inches[/tex]
Step-by-step explanation:
In order to find the perimeter we need to find the length first ...
...Here, the area is already given ...
Area = 81 inches square
length = ?
Now....
( The formula of area is l × l )
[tex]area = {l}^{2} [/tex]
[tex]81 = {l}^{2} [/tex]
Now we should find square root of 81...
[tex]l = \sqrt{81} [/tex]
[tex]l \: = 9[/tex]
Now we find length so it's easy for us to find perimeter...
The formula of perimeter of square is 4l ..
= 4l
= 4 × 9
= 36 inches
hence the answer is 36 inches....
3. Mohan drives a car at a uniform speed of 60
km/hr, find how much distance is covered in 90
minutes?
Answer:
90
Step-by-step explanation:
60 kmhr for an hour and a half
i hour 60 km
half hour 30 km
60 + 30 =90
Question:
9x - 2 = 4x + 9
Answer:
Step-by-step explanation:
9x-2=4x+9
1. 9x-4x-2=4x-4x+9 always isolate a variable which means move 4x to the other side to get 9 by its self.
2. 5x-2+2=9+2
3. 5x=11
4. 5x/5=11/5 get x by itself.
5. x=2.2
check work.
9(2.2)-2=4(2.2)+9
17.8=17.8
Please answer this! I could not figure it out. Neither could my classmates.
Answer:
[tex]\sf \boxed{\sf D) \ \sf -\frac{5}{3} }[/tex]
Explanation:
[tex]\rightarrow \sf 3x - 5y = -10[/tex]
[tex]\rightarrow \sf - 5y = -10-3x[/tex]
[tex]\rightarrow \sf y = \dfrac{-10-3x}{-5}[/tex]
[tex]\rightarrow \sf y= \dfrac{3}{5} x+2[/tex]
Comparing it with slope intercept formula: y = mx + b
where m is the slope, b is y interceptIdentify the slope for this function:
[tex]\cdot \ \sf slope \ (m) : \dfrac{3}{5}[/tex]
Then perpendicular slope shall be negatively inverse:
[tex]\sf perpendicular \ slope = -(m)^{-1} \quad = \quad -(\dfrac{3}{5} ) ^{-1} \quad = \quad -\dfrac{5}{3}[/tex]
Answer:
D
Step-by-step explanation: i got it right
What is the first incorrect step?
A Angelina did not make a mistake. Her work is correct
B Angelina first made a mistake in Step 3. The formula she should have used is an = 0n-1 + d.
Angelina first made a mistake in Step 4. When she distributed the - 7 to the -1, she should have gotten +7
D Angelina first made a mistake in Step 6. In order to find the 41st term, she should have plugged 40 into her equation.
3. Find m2ABC.
(2x+14)
(x+7)°
Answer:
Step-by-step explanation:
Please answer this question immediatly
Apple be A and blueberries be B
So
As per Venn diagram
n(A)=12n(B)=7n(A$\cap$B)=3#1
n(A)+n(B)12+719P(A)=12/24
P(B)=7/24
Add
12+7/2419/24#2.
n(AUB)
n(A)+n(B)-n(An B).19-316E=8+16=24
P(AUB)=16/24=2/3
Answer:
[tex]\sf a) \quad P(contains\:apple)+P(contains\:blueberry)=\dfrac{5}{6}[/tex]
[tex]\sf b) \quad P(contains\:apple\:or\:blueberry)=\dfrac{11}{15}[/tex]
c) Not mutually exclusive events
Step-by-step explanation:
From inspection of the Venn diagram:
Total number of smoothies = 12 + 3 + 7 + 8 = 30Number of smoothies containing Apple = 12 + 3 = 15Number of smoothies containing Blueberry = 3 + 7 = 10Number of smoothies containing both Apple and Blueberry = 3Number of smoothies not containing Apple or Blueberry = 8[tex]\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}[/tex]
Let A = contains apple
Let B = contains blueberry
[tex]\implies\sf P(A)=\dfrac{15}{30}=\dfrac{1}{2}[/tex]
[tex]\implies\sf P(B)=\dfrac{10}{30}=\dfrac{1}{3}[/tex]
Part (a)
[tex]\begin{aligned} \implies \sf P(A)+P(B) & =\sf \dfrac{1}{2}+\dfrac{1}{3}\\\\ & = \sf \dfrac{3}{6}+\dfrac{2}{6}\\\\ & = \sf \dfrac{5}{6}\end{aligned}[/tex]
Part (b)
[tex]\textsf{Addition Law}: \quad\sf P(A\:or\: B) = P(A)+P(B)-P(A\:and\:B)[/tex]
Given:
[tex]\sf P(A)+P(B)=\dfrac{5}{6} \quad \textsf{(from part a)}[/tex]
[tex]\sf P(A\:and\:B)=\dfrac{3}{30}\quad \textsf{(where the circles overlap)}[/tex]
[tex]\begin{aligned}\implies \sf \sf P(A\:or\: B) &= \sf P(A)+P(B)-P(A\:and\:B)\\\\& =\sf \dfrac{5}{6}-\dfrac{3}{30}\\\\ & =\sf \dfrac{25}{30}-\dfrac{3}{30}\\\\ & =\sf \dfrac{22}{30}\\\\ & = \sf \dfrac{11}{15}\end{aligned}[/tex]
Or, we can simply read P(contains apple or blueberry) from the Venn diagram.
P(A or B) is the total of the numbers inside the circles divided by the total number of smoothies:
[tex]\sf P(A\:or\:B) = \dfrac{12+3+7}{30}=\dfrac{22}{30}=\dfrac{11}{15}[/tex]
Part (c)
For two events, A and B, where A and B are mutually exclusive:
[tex]\sf P(A \: or \: B)=P(A)+P(B)[/tex]
Given:
[tex]\sf P(A)+P(B)=\dfrac{5}{6} \quad \textsf{(from part a)}[/tex]
[tex]\sf P(A\:or\:B)=\dfrac{11}{15} \quad \textsf{(from part b)}[/tex]
[tex]\sf As\:\dfrac{11}{15}\neq \dfrac{5}{6} \implies P(A \: or \: B)\neq P(A)+P(B)[/tex]
Therefore, choosing a smoothie containing apple and choosing a smoothie containing blueberry are NOT mutually exclusive events.
Korey is planning to open a comic book store. when the store opens, he plans to be the only employee. as the business grows, he will extend his hours of operations and hire additional employees as necessary. in korey’s business plan, this information should be included in the _____ component. a. financial analysis b. organizational plan c. executive summary d. implementation plan please select the best answer from the choices provided a b c d
The information about the how to open a comic book store should be included in the b. organizational plan.
What is organizational plan?An organizational plan serves as a way that can be used to plan for the future events to achieve the desire goals of the institution.
Therefore, option B is correct, because with the organizational plan, Korey can note all information required for the business and how the business will grow.
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Select the correct answer from the drop-down menu. a machine needs two of its gears replaced. you find two gears, one manufactured 5 years ago and the other manufactured 10 years ago. the specification sheet says that the chance of gear failure is 5% after 5 years and increases to 8% after 10 years. if the gears on the machine are not linked to each other, the probability that both replacement gears will fail is %.
Based on the probability that each gear will fail and the fact that the gears are not linked, the probability that both will fail is 0.4%.
What is the probability that both gears will fail?Because the gears are not linked together, the probability that both will fail can be found as:
= Probability that gear fails after 5 years x Probability that gear fails after 10 years
Solving gives:
= 5% x 8%
= 0.4%
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Round 425 to the nearest ten and to the nearest hundred
Answer:
400
Step-by-step explanation:
425 is rounded to 430 because 5 rounds up the number. 430 rounded to the nearest hundredth is 400 because 3 is below five.
Answer:
nearest tenth: 430
nearest hundredth: 400
Step-by-step explanation:
5 and above rounds up hense 430 and below 50 rounds down hense 400
describe the end behavior of f(x)=2x^3
Answer:
as x→+∞, f(x)→+∞ as x→-∞,f(x)→-∞
Step-by-step explanation:
8 is the GCF of what two numbers?
Answer:
16 and 24
Step-by-step explanation:
The largest factor for both numbers have in common is 8, so GCF(16,24) = 8
i need help with geometry please!
question is in the image above~
the answer is either;
a) 25
b)20
c)18
d)15
Answer:
The answer is 15
Step-by-step explanation:
You just have to multiply angle BC times angle AC to have the answer because angle AB is verticle to angle BD.
What is the slope of the line passing through (5, 5) and (-4, 5)?
can someone help me?
2x-3y= -1
y=x-1
A pole 3.8 m high casts a shadow that measures 1.3 m. A nearby tree casts a shadow 7.8 m long. Find the height of the tree.
Answer:
22.8 m
Step-by-step explanation:
the 2 situations are similar triangles
the ratio of corresponding sides are in proportion
let h be the height of the tree , then
[tex]\frac{h}{3.8}[/tex] = [tex]\frac{7.8}{1.3}[/tex] ( cross- multiply )
1.3h = 29.64 ( divide both sides by 1.3 )
h = 22.8 m
This is a substitution problem
Mike has 12 computers in his classroom, some are PCs and some are Macs. There are two
Macs for every PC in his classroom. How many Pcs and Macs are there in Mike's classroom
Answer:4 PCs and 8 Macs
Step-by-step explanation:
They consists of equations and unknown variables. There are 4 PCs and 8 Mac in the room
System of equationThey consists of equations and unknown variables
Let the number of PCs be x
Let the number of Mac be y
If Mke has 12 computers, then;
x + y = 12
If there are two Macs for every PC in his classroom, then;
y = 2x
Substitute
x + 2x = 12
3x = 12
x = 4
Recall y = 2x
y = 2(4)
y = 8
There are 4 PCs and 8 Mac in the room
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According to a survey, 15% of city workers take the bus to work. donatella randomly surveys 10 workers. what is the probability that exactly 6 workers take the bus to work? round the answer to the nearest thousandth.
The probability that exactly 6 workers take the bus to work is 0.001
How to determine the probability?The given parameters are:
Sample size, n = 10Required sample = exactly 6Probability of success, p = 15%The probability that exactly 6 workers take the bus to work is calculated using the following binomial expression
[tex]P(x) = ^nC_x * p^x * (1 - p)^{n - x{[/tex]
So, we have:
[tex]P(6) = ^{10}C_6 * (15\%)^6 * (1 - 15\%)^4[/tex]
Evaluate the expression
P(6) = 0.001
Hence, the probability that exactly 6 workers take the bus to work is 0.001
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