Answer:
0.34
Step-by-step explanation:
Just subtract them
The bedroom of our house is 1,200 cubic meters. We know that there are 3.4×10^9
particles of dust per cubic meter. Write how many particles of dust are present in the bedroom of our house.
15% of what number is 12
Answer:80
Step-by-step explanation:
15% of 80 is 12
80/10=8=10%
8/2=4=5%
8+4=12=15% of 80
Solve the system of equations. y=6x+5 y=8x-7 what does x and y equal?
> Question A normal distribution is observed from the number of points per game for a certain basketball player. If the mean is 15 points and the standard deviation is 3 points, what is the probability that in a randomly selected game, the player scored greater than 24 points?
Answer:
The probability that in a randomly selected game, the player scored greater than 24 points is 0.0013 or 0.13%
Step-by-step explanation:
Given that
Mean = μ = 15 points
SD = σ = 3 points
For calculating probability for a data point, first of all we have to calculate the z-score of the value.
We have to find the probability of score greater than 24, then the z-score of 24 is:
z-score = (x-μ)/σ
z = (24-15)/3
z = 9/3
z = 3
Now we have to use the z-score table to find the probability of z<3 then it will be subtracted from 1 to find the probability of z>3
So,
[tex]P(z<3) = 0.9987\\P(z>3) = 1 - P(z<3) = 1-0.9987 = 0.0013[/tex]
Converting into percentage
0.0013 * 100 = 0.13%
Hence,
The probability that in a randomly selected game, the player scored greater than 24 points is 0.0013 or 0.13%
Answer:0.15%
Step-by-step explanation:
Notice that 24 points is three standard deviations greater than the mean. Based on the Empirical Rule, 99.7% of the player's game scores are within three standard deviations of the mean. Since the normal distribution is symmetric, this implies that 0.15% of the player's game scores are greater than three standard deviation more than the mean.
Someone help me with this
Answer:
y=7.5x, y=9.25x, y=6x
Step-by-step explanation:
on the first table we have for 2 tikets $ 15 so the price for one ticket (also known as unit price) is 15/2= $ 7.5
the equation for the price of ticket must be
y= 7.5 x (where y is price you pay for x number of tikets)
on the second table you can pick that you have $37 for 4 tikets so unit price is 37/4= $9.25 per one ticket
y=9.25x
last table $12 for 2 tikets so for one ticket is 12/2=$6
y=6x
Rita had $20. Then she saved $5.85 each week for 8 weeks, How much money does she have now? Use the bar diagram to solve the problem. Show your work*
Answer:
$66.80
Step-by-step explanation:
multiply 5.85 by 8 and then add the product to 20 to get the total
After the eight weeks, Rita has $66.8 now.
What is multiplication?Multiplication is a mathematical arithmetic operation. It is also a process of adding the same types of expression for some number of times.
Example - 2 × 3 means 2 is added three times, or 3 is added 2 times.
Given, Rita had $20.
Then she saved $5.85 each week for 8 weeks
That means,
she saved the amount,
= amount saved in one week multiplied by 8
She saved the amount
= $5.85 x 8
$5.85 × 8 means $5.85 is added eight times.
Rita saved the amount
= $5.85 x 8
= $46.8
To find the total amount;
$20 + $46.8 = $66.8
And bar diagram is in the attached image.
Therefore, she has $66.8.
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A boy sits for 15 maths exams during the year and gains an average of 1.". He sits for one
more exam and receives a score of 65%. What is his new average?
New average
[tex] = \frac{1 + 65}{2} [/tex]
[tex] = \frac{66}{2} [/tex]
[tex] = 33[/tex]
Therefore, the boy's new average is 33%
Help me right answer will get brainlyest and also for 15 points!
Answer:
B
Step-by-step explanation:
If you get y by itself, subtract x from both sides and get y= -x+11
Help me out here pleaseeeeeeee
Answer: [tex]3\frac{1}{5}[/tex]
have: [tex]6\frac{1}{2}=6.5;\\\\3\frac{3}{10}=3.3[/tex]
Syd ran than Jose: [tex]6.5-3.3=3.2=\frac{16}{5}=3\frac{1}{5}[/tex] (miles)
Step-by-step explanation:
Answer:
[tex]3\frac{1}{5}[/tex]
Step-by-step explanation:
First you want to find the least common denominator so we can figure out this problem.
We have [tex]3\frac{3}{10} , 6\frac{1}{2}[/tex] so all we need to do is multiply ONLY the fraction next to the 6 so we can figure out what 1/2 and 3/10 correlates to which you will get
By multiplying by 5 you can get the same equation so the common denominator relates to one another.You get 5 by doing 10/2 which is 5.so your new question is
[tex]3\frac{3}{10} , 6\frac{5}{10}[/tex]
Which is so much easier, all you need to do is subtraction between the two!
5/10-3/10 is 2/10
2/10=1/5
Then we got the whole numbers
6-3=3
so the answer is [tex]3\frac{1}{5}[/tex]
What is the slope of the line on the graph?
Enter your answer in the box.
Answer:
-1/3
Step-by-step explanation:
If you divide rise over run you will do the equation -1 divided by 3 which is equal to -1/3
Matt, Steve and John sold magazines for a school fundraiser. John sold two less than Matt. Steve sold twice as many as John. Write a simplified expression representing the total amount of magazines sold
Answer:
4x - 6
Step-by-step explanation:
Matt: x
Steve: 2(x - 2)
John: x - 2
Total magazines sold:
x + 2(x - 2) + (x - 2)
x + 2x - 4 + x - 2
4x - 6
The simplified expression representing the total amount of magazines sold is 4x - 6
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.
We are given that Matt, Steve and John sold magazines for a school fundraiser. John sold two less than Matt. Steve sold twice as many as John.
Let the variable Matt: x
Steve: 2(x - 2)
John: x - 2
Now Total magazines sold:
x + 2(x - 2) + (x - 2)
Solving;
x + 2x - 4 + x - 2
4x - 6
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At the school Halloween dance. 85% of the students were present. If there are 765 students at the dance then how many total students are enrolled at school?
Answer:
900 students
Step-by-step explanation:
We have, 85% × x = 765 or, 85/100 × x = 765. Multiplying both sides by 100 and dividing both sides by 85, we have x = 765 × 100/85. So x = 900. If you are using a calculator, simply enter 765×100÷85, which will give you the answer.
what is 105 divided by 3=
it has a remainder
Answer:Are you sure because when I divide it gives me 35 it’s no remainder and when I check to see if 35*3 is 105 it’s correct
Step-by-step explanation:
IAnswer:
I don't think there is a remainder
Step-by-step explanation:
Say hey certain manufacturing industry has 63.1 thousand jobs in 2008, but is expected to decline at and average annual rate of 1.7 thousand jobs per year from 2008 to 2018. Assuming this holds true, what will be this industry’s percent change from 2008 to 2018?
a. 70%
b. -27%
c. -17%
d. -75%
Pat typed 2 pages on Monday, 3 pages on Tuesday, 5 pages on Wednesday, and 8 pages on Thursday. If she continues this pattern, how many pages will Pat type on Friday
Answer:
pay will type 13 pages on Friday
A pair of parallel lines is cut by a transversal, as shown:
A pair of parallel lines is shown cut by a transversal. Angle p is located in the upper right exterior next to the transversal, and angle q is located in the bottom left exterior corner of the transversal.
Which of the following best represents the relationship between angles p and q? (4 points)
p = 2q
p = 180 degrees − q
p = q
q = 180 degrees − p
In rhombus FGHJ, m∠1=43°.
What is m∠2?
Enter your answer in the box.
Answer:
47
Step-by-step explanation:
I took the test
two complementary angles have the ratio of 4:5. What is the measure of the smaller angle?
What is the solution to x 4 + 4x 3 ≤ 12x 2?
(–6, 2)
[–6, 2]
(–ꝏ, –6) U (2, ꝏ)
(–ꝏ, –6] U [2, ꝏ)
Answer:
The answer is B
Step-by-step explanation:
[-6,2]
The solution to the inequality is [–6, 2]. Then the correct answer is option B.
What is inequality?Inequality is the relationship between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.
The inequality is solved as:-
x⁴ + 4x³ ≤ 12x²
x² ( x² + 4x ) ≤ 12x²
x² + 4x ≤ 12
x² + 4x - 12 ≤ 0
x² + 6x - 2x + 12 ≤ 0
Equate the factors to zero.
( x + 6 ) ( x - 2 ) = 0
x =( -6 , 2 )
Hence, the solution is x = ( -6, 2 ).
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A dining room set lists for $1500, and carries a trade discount of 40 percent. Freight charges are $150. Calculate the final price of the dining room set.
Answer:
1050
Step-by-step explanation:
40 percent of $1500 is $600
$1500-$600=$900
$900+$150=$1050
14V + 5 − 5V = 4(V + 15)
Answer:
V=11
Step-by-step explanation:
Simplify:
14V-5V+5=4V+60
9V+5=4V+60
Subtract 4V on both sides:
9V-4V+5=4V-4V+60
Solve:
5V+5=60
Subtract 5 on both sides:
5V+5-5=60-5
5V=55
Divide by 5
V=11
Hope this helps!
Step-by-step explanation:
14V+ 5 - 5V= 4V+ 60|-60|-4V
14V + 5 -5 V - 60 - 4V =0
<=> 5V - 55 =0 |+55
<=> 5V = 55 |:5
<=> V= 11
I need the slope. The options are
A. -2 B. 0 C. 1 D. 2
Answer:
D.2
Step-by-step explanation:
The only feasible answer that I see fit, is D, as it is the only whole number that is perpendicular to the graph.
You are in the top bunk of a bunk bed and you want to turn the air conditioner on while your friend on the bottom bunk is fine is caused by
The answer is Convection
Betty has $26 to buy plants for her greenhouse. Each plant costs $6. How
many plants can she buy? Do not include units in your answer.
Help
Answer:
4 plants
Step-by-step explanation:
Betty = $26
Plants = $6 each
[tex]\frac{26}{6}=4.3333[/tex]
Betty can buy 4 plants
What is the product of 1 2/3 and -3 1/2
Answer:
-5 5/6
Step-by-step explanation:
1 2/3=5/3
-3 1/2=-7/2
5/3*-7/2=-35/6= -5 5/6
Answer:
- 5 5/6 or Decimal: -5.833333
Step-by-step explanation
Dont mind my answer plzz helpppp
Answer:
ok it is an Oligarchy :D
Step-by-step explanation:
You buy 6 items for $25,60. About how much did you spend?
Since the question is asking ABOUT, you would have to round 25.60. Since the tenth's place is greater than 5, 25.60 rounds up to 26. Then you would multiply 26 with 6. You will get your answer of 156.
Find the slope between the given two points (-7, -13) (1, -5)
Answer:
1
Step-by-step explanation:
y2-y1/(x2-x1)
-5--13/1--7
8/8
Slope is 1
Answer: (slope) m = 1
Step-by-step explanation:
bruh I need help ion know this stuff
Answer:
b and e
Step-by-step explanation:
1) Suzie had $325.05 in her checking account. She deposited a check of $182, and
another for $50. She withdrew $100 to take to the casino with her. What is her new
account balance?