Answer:
40 mins
Step-by-step explanation:
time spent talking to his sister = (1 - 3/8) x 4/5 =
5/8 x 4/5 = 1/2
total fraction of time spent playing games and talking to his sister :
[tex]\frac{3}{8} + \frac{1}{2}[/tex]
[tex]\frac{ 3 + 4}{8}[/tex] = [tex]\frac{7}{8}[/tex]
fraction of time remaining to complete the journey = 1 - 7/8 = 1/8
let t = total journey time
1/8 x t = 5
multiply both sides of the equation by 8
t = 5 x 8 = 40 minutes
A and B are independent events. P(A)=0.80 and P(B)=0.10. what is P(A and B)?
a.0.90
b.0.008
c.0.08
d. 0
The value of P(A and B) = 0.08
What is probability?Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty. We can predict only the chance of an event to occur i.e., how likely they are going to happen, using it.
Given that, A and B are independent events. P(A)=0.80 and P(B)=0.1
Since the events are independent
so, the formula used to find P(A and B) is
P(A and B) = P(A) x P(B)
P(A)= 0.80
P(B) = 0.10
Finding P(A and B)
P(A and B) = P(A) * P(B)
P(A and B) =0.80 x 0.10
P(A and B) = 0.08
So, Option c is correct.
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Round the answer to the nearest hundredth: 3.21 + 3.62 ÷ 2.43
PLS HELP WILL GIVE MOST POINTS
Answer:
4.7
Step-by-step explanation:
3.21 + 3.62 ÷ 2.43
[tex]3\frac{21}{100}+1\frac{119}{243}[/tex]
[tex]4\frac{ 17003}{24300}[/tex]
[tex]4\frac{ 17003}{24300}=4.6997119341564[/tex]
4.6997119341564 rounds to
4.70
Answer is 4.70
What are Arithmetic operations?Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.
3.21 + 3.62 ÷ 2.43
Convert decimal into fraction,
[tex]\dfrac{321}{100} + \dfrac{362}{100}\div\dfrac{242}{100}[/tex]
[tex]\dfrac{321}{100} + \dfrac{362}{242}[/tex]
[tex]\dfrac{(321)(242)+(362)(100)}{(100)(242)}[/tex]
[tex]\dfrac{77682+36200}{24200}[/tex]
[tex]\dfrac{113882}{24200}[/tex]
[tex]4.7[/tex]0
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Can someone please professionally explain the math equation. (Not just answer the question)
12b + 12 ≥ 60
SOLVE the inequality.
GRAPH the solution.
Make sure to solve and graph the equation please.
I will mark as brainliest!
Answer:
b ≥ 4
Step-by-step explanation:
12b + 12 ≥ 60
Subtract 12 from each side
12b + 12-12 ≥ 60-12
12b ≥ 48
Divide each side by 12
12b/ 12 ≥ 48/12
b ≥ 4
Close circle at 4 line to the right
Answer:
Step-by-step explanation:
12b + 12 ≥ 60
1) add -12 at both members
12b + 12-12 ≥ 60 -12
12b ≥ 48
2) divide both members by 12
12/12 b ≥ 48/12
b ≥ 4
for graph the solutions we have to draw two lines
the first one is an horizontal line that has as equation the right part of the inequality
y = 60
the second one is a line the that passes from the origin and interecpts the first line in (4;60). 4 is the the first number that can be a possible value of the inequality
Equation a line that passes for two points A (0,0) , B (4,60)
(y-y1)/(y2-y1) = (x-x1)/(x2-x1)
(y - 60)/ (0 -60) = (x - 4) / (0-4)
(-y+60)/60 (-x+4)/4
-y + 60 = -15x + 60
y = 15x
the solutions of the inequality are all the points between the two lines with x≥4 and y≥60
A 2-gallon jug of water costs $8.24. What is the price per quart?
Answer:
8×$8.24=0.97 cents
Step-by-step explanation:
there are 4 quarts in a gallon. so 8 quarts in 2 gallons. divide 8 by $8.24
Someone help me out.
Answer:
65
73
Step-by-step explanation:
9^2 - 4^2
Exponents first
81 - 16
65
3^2 +8^2
Exponents first
9+64
73
Answer:
9^2 - 4^2
81 - 16 = 65
3^2 + 8^2
9+ 64 = 73
Which set of ordered pairs does not represent a function? O {(4, -6), (-5,5),(-6,0), (7,0)} O {(0, -4), (9,6), (2,8), (8,8)} O {(8,-6), (9,-8), (2,4), (3, -6)} o {(-5,2), (3,-9),(-1,8), (-5,9)}
Function is a set of ordered pairs that do not have same domain or x-value. That means in a set of ordered pairs, the domain cannot have same value.
The only relation that isn't function here is the last choice because in a set of ordered pairs, there are two -5's which is repetitive. Other choices do not have same x-values in one set except for the last choice.
Answer
{(-5,2),(3,-9),(-1,8),(-5,9)}Hope this helps and let me know if you have any doubts!
how do u find this plssss tell me how?
Answer:
The sin of 20 degrees is 0.34202, the same as sin of 20 degrees in radians. To obtain 20 degrees in radian multiply 20° by / 180° = 1/9 . Sin 20degrees = sin (1/9 × .
Step-by-step explanation:
Your welcome! :)
Simplify the expression:
r -3 -r
Answer:
[tex]-3[/tex]
Step-by-step explanation:
Combine the opposite terms in r − 3 − r .
A soccer field is 110 yards long and 80 yards wide. What is the longest pass that one player can make to another player on a soccer field?
Answer and Step-by-step explanation:
To find the answer, we need to first think of what length in the rectangle can make the longest path, then use the Pythagorean Theorem.
The diagonal in a rectangle (going from one corner to another) is the longest distance.
If we were to split that rectangle by its diagonal, we would get a triangle. By the Pythagorean Theorem, we can find the length of that diagonal (the hypotenuse of the triangle).
[tex]A^2 + B^2 = C^2\\\\110^2+80^2 = C^2\\\\12100 + 6400 = C^2\\\\18500 = C^2\\\\10\sqrt{185} = C = 136.0147 yards[/tex] <- This is the answer (the decimal version or this ^ version).
#teamtrees #PAW (Plant And Water)
Find the simplified product: 2 square root of 5x^3(-3 square root of 10x^2)
Answer:
Step-by-step explanation:
help ??
Don’t have an explanation
Answer:
its 6 D
Step-by-step explanation:
multiplication/division
Answer:
6 or D
Step-by-step explanation:
Since its the same polygon you set it up like this:
[tex]\frac{36}{24} =\frac{x}{4}[/tex]
cross multiply
36(4) = 24x
divide both sides by 24
x=6
please answer this its due tomrrow
please do what the questions says. DO ALL OF THE QUESTIONS. DONT SAY YOU SHOULD OD ONE BECAUSE I DONT KNOW ANY!!!!!
Answer:
Oki Doki, read below this will be long.
Step-by-step explanation:
So, lets start with mr moy.
First off, we need to figure out the total hours that mr moy worked.
Throuhgout the 7 days of the week, he worked 5 days. These were his hours:
8, 8, 8, 8, 9
Adding these together, you get a total of 41 hours.
Next we have total wage.
To find this, multiply the total hours by the hourly income. We know the hourly income is 12.5, and the total hours is 41:
12.5*41=512.5
So 512.5 is the total wage.
Lets do this for the next four people, I am just going to speed it up a bit:
Ms wong - hours - 8+8+7+9+9 =41. Hourly income - 9.5. Total income: 9.5*41:
389.5 is total income
41 is total hours
Maria - hours - 5+5+6+8+9=33. Hourly income - 7.5. Total income: 7.5*33:
247.5 total income
33 total hours
Tom - 4+4+4+4+4+8+8=36. Hourly income - 7.5. Total income: 7.5*36:
270 total income
36 total hours
Jacob - 5+5+5+7+7 =29. Hourly income - 7.5. Total income: 7.5*29:
217.5 total income
29 total hours
OK, now for the total sums:
Total hourly wages - 7.5+7.5+7.5+12.5+9.5=44.5
Total of the total hours - 41+41+33+36+29=180 hours
Total of total wages - 217.5+512.5+389.5+270+247.5=1637
Ok, thats it for the first page.
On the next pages, I was slightly confused. But Ill try my best.
A - for each employ, calculate total hours and wages. We already did this before.
B - What is the total amount that is paid out in wages in a week. We already did this before(1637)
C - which day is the busiest day of the week - Saturday. The slowest? Monday
So we know the slowest day has to be monday, since the total employment hours is 8+8+4=20. WHich is lower than the rest.
We also know the busiest day has to be saturday, since the total employment hours is 9+9+8+5=31. Which is higher than the rest.
Now to the the third page.
What is the average employe wage?
Lets add up all the wages, and divide by the amount of wages:
7.5+7.5+7.5+9.5+12.5=44.5
44.5/5
=
8.9
This is the average wage.
I dont totally understand part b or c of this answer.
I cannot draw or make a graph and table right now, so I cannot finish your answers.
I hope these help though!
Please help me it's urgent!
Answer:
1st one may be the answer to your question 39% sure
What value of x is in the solution set of 2(3x – 1) 2 4x - 6?
0-10
O -5
O-3
0 -1
-3 is the value of x in the solution set of inequality 2(3x-1)≥4x-6
The given inequality is 2(3x-1)≥4x-6
We have to find the solution set of the inequality.
Let us plug in x value as 10.
2(3(-10)-1)≥4(-10)-6
2(-30-1)≥-40-6
-62≥-46
It is not true so -10 is not the solution of given inequality.
Now plug in -5.
2(3(-5)-1)≥4(-5)-6
2(-16)≥-20-6
-32≥-26
It is not true so -5 is not the solution of given inequality.
Now plug in -3.
2(3(-3)-1)≥4(-3)-6
2(-10)≥-12-6
-20≥-18
It is not true so -3 is not the solution of given inequality.
Now plug in -1
2(-3-1)≥-4-6
-8≥-10
It is true
So -3 is the value of x in the solution set of inequality 2(3x-1)≥4x-6.
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To rationalize the denominator of
[tex]5 - \sqrt{7} \div 9 - \sqrt{14} [/tex]
, you should multiply the expression by which fraction?
Answer choices:
[tex]5 + \sqrt{7} \div 9 - \sqrt{14} [/tex]
[tex]9 - \sqrt{14} \div 9 - \sqrt{14} [/tex]
[tex]9 + \sqrt{14} \div 9 + \sqrt{14} [/tex]
[tex]\sqrt{14} \div \sqrt{14} [/tex]
Answer:
option 3
Step-by-step explanation:
[tex]\frac{5- \sqrt{7} }{9-\sqrt{14} } = \frac{5- \sqrt{7} }{9-\sqrt{14} } \times \frac{9 + \sqrt{14} }{9 +\sqrt{14} }[/tex]
To rationalize the denominator choose the denominator and change the sign of the operation.
Write a compound inequality to represent all of the numbers between -4 and 6. Write your answer using proper set notation.
Answer:
Step-by-step explanation:
+56
Question 1
Given the functions f(x) = 2x + 1 and g(x) = 5x +4, find m(x) = f(x) - g(x)?
A
m(x) = 3x + 3
B
m(x) = -3x + 5
С
m(x) = -3x - 3
D
m(x) = 7x + 5
Given :
⊕ f(x) = 2x + 1
⊕ g(x) = 5x + 4
⊕ m(x) = f(x) - g(x)
⇒ m(x) = (2x + 1) - (5x + 4)
⇒ m(x) = 2x + 1 - 5x - 4
⇒ m(x) = -3x - 3
Answer : C
9:37 pm is how
many minutes
after 9.08 pm?
Answer:
29 is the answer
Step-by-step explanation:
the answer is 29
Answer:
the anwser is gonna be 29 blood
A class' test scores are normally distributed with a mean of 48 points and a standard
deviation of 3 points. What percentage of test scores are are between 47 and 52
points? Round to the nearest hundredth of a percent.
Answer:
53.94%
Step-by-step explanation:
We solve using z score formula
z = (x-μ)/σ, where
x is the raw score
μ is the population mean = 48 points
σ is the population standard deviation = 3 points
For x = 47 points
z = 47 - 48/3
= -0.33333
Probability value from Z-Table:
P(x = 47) = 0.36944
For x = 52 points
z = 52 - 48/3
= 1.33333
Probability value from Z-Table:
P(x = 52) = 0.90879
Hence, the probability of test scores that between 47 and 52 points is calculated as:
P(x = 52) - P(x = 47)
= 0.90879 - 0.36944
= 0.53935
Therefore, the percentage of test scores that are between 47 and 52
points is given as:
0.53935 × 100
= 53.935%
Approximately to the nearest hundredth of a percent ≈ 53.94%
Twenty-two percent of the large pieces of mail that Rachel received this week were magazines and the rest were catalogs. Of the catalogs, 36 percent were for clothing.
To the nearest whole percent, what is the probability that a randomly chosen large piece of Rachel’s mail was a clothing catalog?
Answer:
28%
Step-by-step explanation:
Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.
For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.
Percent of catalogues received = 100% - percent of magazines received
100 - 22 = 78%
Percent of clothing catalogues = 0.78 x 36 = 28%
Evaluate the following expression at x = -4
-5x-1
Parallelogram W X Y Z is shown. Diagonals are drawn from point W to point Y and from point Z to point X and intersect at point C. The length of W C is (x + 4) feet and the length of C Y is (2 x minus 7) feet.
In parallelogram WXYZ, what is CY?
11 ft
15 ft
21 ft
23 ft
Answer:
b on edge 2021
Step-by-step explanation:
From the calculations, the length of CY in the parallelogram is 15 feet.
What is a diagonal?A diagonal is a line that runs from one end to another in a quadrilateral. We know that in such quadrilaterals as the parallelogram, the diagonals bisect each other.
Hence;
CY =WC
And
2x - 7 = x + 4
collecting like terms;
2x - x = 4 + 7
x = 11
Thus
CY = 2x - 7
= 2*11 - 7
= 22- 7
= 15
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The probability that it will snow tomorrow is 15%. What are the odds in favour of it snowing tomorrow
Answer:
The probabilities of all possible outcomes must sum to 1, since something has to happen. So
Psnow=13⟹Pno snow=1−13=23.Psnow=13⟹Pno snow=1−13=23.
Given the recursive formula:
a1=3
An=2(an-1+1)
Find a2 a3 a4
Answer:
[tex]a_2 = 8[/tex]
[tex]a_3 = 18[/tex]
[tex]a_4 = 38[/tex]
Step-by-step explanation:
We are given the following recursive formula:
[tex]a_n = 2(a_{n-1}+1)[/tex]
And consider [tex]a_1 = 3[/tex]
a2
[tex]a_2 = 2(a_1 + 1) = 2(3 + 1) = 8[/tex]
a3
[tex]a_3 = 2(a_2 + 1) = 2(8 + 1) = 18[/tex]
a4
[tex]a_4 = 2(a_3 + 1) = 2(18 + 1) = 38[/tex]
I am timed. Please answer this.
Answer:
9
Step-by-step explanation:
because volume of a prism is area × length
so area of triangle is 4*4/2=8 so 72÷8=9.
hope this helps:)
Someone pls help me ill give out brainliest pls don’t answer if you don’t know
Answer:
h
Step-by-step explanation:
square root of 260 is 16.1 therefore h is the closest
Answer:
The answer is H. The point H is the closest.
The square root of 260 is about 16.1
A car was bought for D750,000 and was sold for D775,000 calculate the percentage profit
Find the measure of angle 2.
60°
90°
120°
30°
Answer:
60
Step-by-step explanation:
answer is in photo above
Find the distance between (1, -5) and (-6, 2).
**If necessary, round to the nearest tenth**
98 units
34 units
9.9 units
5.8 units
Answer:
d = 9.9 units
Step-by-step explanation:
Picture a right triangle with one acute vertex at (1, -5) and the other at (-6, 2). Going from one to the other, we see a change in x (run) of 7 and a change in y of 7. Applying the Pythagorean Theorem, we find the distance between the two points as follows:
d = √(7² + 7²) = 7√2, or approximately 9.9 units.
What is the value of x in the equation 2(5x + 4) = 17?
A 5/2
B 2/5
C 9/10
D 17/18
Answer:
[tex]\frac{9}{10}[/tex]
Step-by-step explanation:
[tex]2(5x+4)=17,\\10x+8=17,\\10x=9,\\x=\frac{9}{10}[/tex]
Analysis:
2(5x+4)=17
Distribute10x+8=17,
Subtract 8 from both sides to isolate x10x=9
Divide both sides by 10 to isolate xx=9/10 (ans)
Answer:
x = 9/10
Step-by-step explanation:
2(5x + 4) = 17
Distribute
10x+8 =17
Subtract 8 from each side
10x +8-8 = 17-8
10x = 9
Divide by 10
10x/10 = 9/10
x = 9/10
