Find the sum of 2.54 x 1019 and 3.218 x 1017.
3.2434 x 1036
2.57218 x 1036
3.2434 x 1019
2.57218 x 1019
Answers
Answer:
Option 4
Step-by-step explanation:
[tex]2.54 \times 10^{19}+3.218 \times 10^{17} \\ \\ =(254+3.218) \times 10^{17} \\ \\ =257.218 \times 10^{17} \\ \\ =2.57218 \times 10^{19}[/tex]
Answer:
2.57218*1019
Step-by-step explanation:
Related Questions
the temperature was 75 degrees. at noon, the temperature increased by 7. by evening the temperature decreased by 7
Answers
Answer:
75
Step-by-step explanation:
75 + 7 = 82
82 - 7 = 75
_____= 240 mL
Group of answer choices
4 oz
4 pints
1 cup
8 drams
Answers
The volume 240 ml to oz is 8 oz.
How to find volume in different units?The volume is in millilitres. Therefore, we have to convert to other units.
1 ml = 0.033814 oz
1 ml = 0.00175975 pints
1 ml = 0.00422675 cup
1 ml = 0.57 grams
Hence, lets convert the volume to the various units.
1 ml = 0.033814 oz
240 ml = ?
cross multiply
volume = 240 × 0.033814 = 8.11536 oz = 8 oz
1 ml = 0.00175975 pints
240ml = ?
volume = 0.00175975 × 240 = 0.42216 = 0.4 pints
1 ml = 0.00422675 cup
240 ml = ?
volume = 0.00422675 × 240 = 10.1442 cups
1 ml = 0.57 grams
240 ml = ?
volume = 0.57 × 240 = 136.8 grams
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which is the graph of the function y=4x^2-8x+7
Answers
Need help with this was will off 30 points
Answers
The solution of the simultaneous equations is given by: x=0.60 and
y = 0.80 .
A system of equations or simultaneous equations, usually referred to as an equation system, is a collection of finite equations for which common solutions are sought.
The elimination approach, which involves taking one of the unknowns out of each equation, is the most popular technique for solving simultaneous equations. The final step is to calculate the remaining unknown. If the coefficient of one of the letters is the same, regardless of sign, this is possible.The given pair of simultaneous equations are:
6 x + 8 y = 10
9 x + 6 y = 10.20
Now let us multiply the first equation by 6 and the second equation by 8 and subtract it from the first.
36 x + 48 y = 60
72 x + 48 y = 81.60
⇒ 36 x = 21.60
⇒ x = 21.60 ÷ 36
⇒ x = 0.60
Substituting the value in the first equation we get:
y= 0.80.
Hence the solution of the simultaneous equation is x=0.60 and
y = 0.80 .
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Solving systems by substitution
y=x+3
2x-2y = -6
Answers
2x -2y = - 6
2x - 2( x +3 ) = -6
2x - 2x -6 = -6
-6 = -6
y = x + 3
Answer:
All Real Numbers
Step-by-step explanation:
Hello!
We have to find the intersection of the two lines algebraically using substitution.
Given that y is x + 3, substitute x + 3 for y in the second equation to solve for x.
Solve for x2x - 2y = -6; y = x + 32x - 2(x + 3) = -62x - 2x - 6 = -6-6 = -6The solution for x is all real numbers, indicating that the solution to the system is also all real numbers.
What does this mean graphically?A solution to the system is the point of intersection from all the lines.
If there are infinite solutions (all real numbers), there are an infinite number of intersections, or they are the same line.
Solving for y in the second equation:
2x - 2y = -6-2y = -2x - 6y = x + 3Both equations are the same.
PLEASE HELP DUE TOMORROWW
Answers
Can I please get help?
Answers
Answer:
a) 9
b)3
c)22
Step-by-step explanation:
a)13+14/8-5 =27/3 =9
b) 9+9/4+2= 18/6 = 3
c) 12+16-6=22
Answer:
A- 9
B-3
C-22
Step-by-step explanation:
A-13+7*2/8-(3+2)
13+14/8-5
27/3
9.
B-9+3^2/2^2+2
9+9/4+2
18/6
3.
C-(10+2)+(4^2-6)
(12)+(16-6)
12+10
22
A garden table and a bench cost $783 combined. The garden table costs $83 more than the bench. What is the cost of the bench?
Answers
Answer:
$350
Step-by-step explanation:
Let the cost of the bench be x. Then, the cost of the table is x+83.
[tex]x+x+83=783 \\ \\ 2x+83=783 \\ \\ 2x=700 \\ \ x=350[/tex]
The total cost is,
→ $783
Let the cost of garden table be,
→ x + $83
Then the cost of bench will be,
→ (x + 83) + x = 783
→ 2x + 83 = 783
→ 2x = 783 - 83
→ x = 700/2
→ [ x = $350 ]
Hence, the cost of bench is $350.
To two decimal places,
√70
must lie between ____
and _____.
Answers
To two decimal places,
√70
must lie between 8.3
and 8.4
Exit This table reflects the result of a survey conducted in a town to find out the number of cars of a particular color. Which of the following ranges would be appropriate to use in order to represent the numerical data on the vertical axis of a Bar Graph? A. 10 to 20 B. 20 to 100 C. 0 to 50 D. 0 to 30
Answers
The range that would be the most approx to represent the numerical data on the vertical axis is B. 20 to 100.
Bar graph :
Bar graphs are the pictorial representation of data (generally grouped), in the form of vertical or horizontal rectangular bars, where the length of bars is proportional to the measure of data
The range that would be the most approx to represent the numerical data on the vertical axis is B. 20 to 100.
because
it is not possible to have zero number of cars that have a particular color,
in That way, we can eliminate options C and D .
in option A the range is too small which is not possible.
the table is not included but the range of 20 to 100 is most appropriate for the number of cars in town with a particular color.
this is because towns would normally have between hundreds and thousands of cars which means that cars of a particular color would be between 20 and 100 at least.
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The range that would be the most approx to represent the numerical data on the vertical axis is B. 20 to 100.
Bar graph :
Bar graphs are the pictorial representation of data (generally grouped), in the form of vertical or horizontal rectangular bars, where the length of bars is proportional to the measure of data
The range that would be the most approx to represent the numerical data on the vertical axis is B. 20 to 100.
because
it is not possible to have zero number of cars that have a particular color,
in That way, we can eliminate options C and D .
in option A the range is too small which is not possible.
the table is not included but the range of 20 to 100 is most appropriate for the number of cars in town with a particular color.
this is because towns would normally have between hundreds and thousands of cars which means that cars of a particular color would be between 20 and 100 at least.
Jane and Jim spend the same amount of money today. If Jim spent 5.25 on food and rode the train three times and Jane spent 12.45 on food and rode the roller coaster twice, then how much does a token cost?
Answers
The cost of a Token from the question is; $7.2
How to solve Algebra Word Problems?
We are told that Jane and Jim spend the same amount of money today.
Now, Jim spent 5.25 dollars on food and rode the train 3 times, and Jane spent 12.45 dollars on food and rode the roller coaster twice.
Assuming cost of a token is T, the the algebraic expression formed is;
5.25 + 3T = 12.45 + 2T.
3T - 2T = 12.45 - 5.25
T = $7.2
Thus, we conclude that the cost of a Token is; $7.2
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Simplify 2.67 + (−8.9).
Answers
Answer:
-6.23 is the answer
HOPE IT'S HELPS YOUAnswer:
-6.23
Step-by-step explanation:
The solution will be,
→ 2.67 + (−8.9)
→ 2.67 - 8.9
→ -6.23
So, the answer is -6.23.
Solve.
c = kny, for y
Answers
The solution of the equation c = kny, for y is y = c/kn
How to solve the equation c = kny, for y?The equation is given as
c = kny
Divide both sides of the given equation by k
So, we have
c/k = kny/k
Evaluate the quotient on both sides of the above equation
So, we have
c/k = ny
Divide both sides of the above equation by n
So, we have
c/kn = ny/n
Evaluate the quotient on both sides of the above equation
So, we have
c/kn = y
Rewrite as
y = c/kn
Hence, the solution of the equation c = kny, for y is y = c/kn
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2. Find the 200th term of
the sequence:
3. 7. 11, 15, 19....
Answers
Answer:
our initial is 3
a1=3
difference or d = 4
The general formula is an = a1+(n-1)*d
an= 3+(200-1)*4
an=3+199*4
an=3+396
an = 399
therefore the 200th item is 399
Step-by-step explanation:
a =3 d=4 n=200
apply the general formula for the nth term
192 students in 4 buses
________ in each bus
Answers
Answer:
48
Step-by-step explanation:
use a calculator
192/4=48 or 48+48+48+48=192
What would the Median of 112 113 116 118 119 124 be?
Answers
Check out the attached photo
Identify the lower class limits, upper class limits,
class width, class midpoints, and class boundaries for
the given frequency distribution. Also identify the
number of individuals included in the summary.
Age (yr) when
award was won
20-29
30-39
40-49
50-59
60-69
70-79
80-89
Frequency
27
32
15
3
5
1
1
Answers
The upper class limits are- 29, 39, 49, 59, 69, 79, 89
The lower class limits are- 20, 30, 40, 50, 60, 70, 80
The class midpoints are- 24.5, 24.5, 44.5, 54.5, 64.5, 74.5, 84.5
The class boundaries are- 29.5, 39.5, 49.5, 59.5, 69.5, 79.5
And the number of individuals included in the summary is 84.
Here, we are given the following dataset-
Age (yr) when Frequency
award was won
20-29 27
30-39 32
40-49 15
50-59 3
60-69 5
70-79 1
80-89 1
Upper class limit is the largest data value that can go in a class.
Thus, the upper class limits are- 29, 39, 49, 59, 69, 79, 89
Lower class limit is the smallest data value that can go in a class.
Thus, the lower class limits are- 20, 30, 40, 50, 60, 70, 80
The class midpoint is the average of the upper and lower limits of a class. Class midpoint = (upper limit + lower limit)/ 2
Thus, the class midpoints are- 24.5, 24.5, 44.5, 54.5, 64.5, 74.5, 84.5
Class boundary is the midpoint of the upper class limit of a class and the lower class limit of the previous class.
Thus, the class boundaries are- 29.5, 39.5, 49.5, 59.5, 69.5, 79.5
Frequency gives us the number of individuals/ objects belonging to a particular class.
Thus, the number of individuals included in the summary = 27 + 32 + 15 + 3 + 5 + 1 + 1 = 84
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PLEASE HELP NOWW PLEASE
Answers
Answer: NOW
Step-by-step explanation:
Question 14 of 20
K
The table below shows the frequency distribution of the rainfall on 52 consecutive Mondays in a
certain city. Use the frequency distribution to construct a histogram. Do the data appear to have a
distribution that is approximately normal?
Class
0-0.19
0.20-0.39
0.40-0.59
0.60-0.79
0.80-0.99
1.00-1.19
1.20-1.39
Frequency
21
12
5
3
8
2
1
CID
+
possib
This question: 5 points) possible
Choose the correct histogram below
OA
OC.
10-
00 02 04 06 08 10 12 14
30-
20-
10-
of
00 02 04 06 08 10 12
10-
00 02 04 06 08 10 12 14
Do the data appear to have a distribution that is approximately normal?
OA No, it is not symmetric
OB. No, it is approximately uniform
OC. Yes, it is approximately normal
OD. No, it has no obvious maximum
Answers
1. The correct histogram (attached) that captures the frequency distribution is Option C.
2. Whether the data appear to have a distribution that is approximately normal, A. No, it is not symmetric.
What is a symmetric distribution?A symmetric distribution is a distribution in which the left and right sides mirror each other and it is a normal distribution, with a distinct bell shape.
In a symmetrical distribution, mean = median = mode. It is a skewed distribution when it is not symmetrical.
Data and Calculations:Class Frequency
0-0.19 21
0.20-0.39 12
0.40-0.59 5
0.60-0.79 3
0.80-0.99 8
1.00-1.19 2
1.20-1.39 1
Thus, the frequency histogram shows a skewed distribution of rainfall, where one tail is longer than the other.
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Find the missing coordinate (x,5) and (3,3) m= 1/2
Answers
The missing coordinate of the points is 7
What are linear equations?Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the missing coordinate?The given parameters are
Slope, m = 1/2
Points (x1, y1) = (x, 5) and (x2, y2) = (3, 3)
The slope of a linear equation is calculated as
m = (y2 - y1)/(x2 - x1)
So, we have
1/2 = (3- 5)/(3 - x)
Evaluate the differences
So, we have
1/2 = -2/(3 - x)
Cross multiply
So, we have
3 - x = -4
This gives
x = 3 + 4
Evaluate the sum
x = 7
Hence, the missing coordinate of the points is 7
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What is 63,418 rounded to the nearest thousand
Answers
Answer:
the nearest thousand is 63000
63,415 rounded to the nearest thousand is 63,000.
Explanation:
Since 415 isn’t above 500, your thousands place will stay the same. Since nothing else is happening to the 6, your 63 will stay the same, and the rest of the places will be replaced with 0’s.
Hope that helped!!
According to a survey conducted by a city’s chamber of commerce, approximately 41.5% of city residents prefer local businesses over national chains. The survey had a margin of error of ±3.8%. Round to the nearest tenth, if necessary.
Answers
The values in percentages will be 37.7% and the maximum will be: 45.3%
How to illustrate the information?From the information, approximately 41.5% of city residents prefer local businesses over national chains and the survey had a margin of error of ±3.8%.
Therefore, the minimum number will be:
= 41.5% - 3.8%
= 37.7%
The maximum will be:
= 41.5% + 3.8%
= 45.3%
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Which of these are a correct application of the Identity Property of Addition? Select all correct answers.
Select all that apply:
−26+26=0
26−26=0
0+26=26
26×0=0
26+0=26
Answers
Answer:
0+26=26, 26+0=26
Step-by-step explanation:
When you add 0 to a number and get the same number, that's the Identity Property of Addition.
Which of the following is a whole number? Select all correct answers.
Select all that apply:
15
0
439
−9
−10
5
Answers
Answer:
15, 0, 439, 5
Step-by-step explanation:
-9 and -10 are negative integers. Whole numbers can't be negative.
Answer:
15,0,439,5 are whole numbers. eg: when we count the number of students we use 1,2,3 etc we won't use any decimal or fractions or negative values. like that whole numbers are like the numbers we count number of students
r = 10 units and h = 7 units, then what is the volume of the cylinder shown above?
Answers
Answer:
radious:10
height:7
volume:?
we know that
volume of cylinder:2pie×r²×h
=22/7×10²×7
=2200unit³
The average annual wage of workers from a certain country for selected years from 2011 projected through 2021 can be modeled by y= 2286x + 38,620, with y equal to the average annual wage
in dollars and x equal to the number of years after 2010. When does the model project that the average annual wage of workers in the country will be at least $68,400?
Select the correct choice below and fill in the answer box to complete your choice.
(Round to the nearest integer as needed.)
A. in the year
and before
B. in the year
and after
OC. in the year
Answers
The average annual wage of workers in the country will be at least $68400 in the year 2023 and after , the correct option is option (B) .
In the question it is given that
model of the average annual wage (y) = 2286x + 38620 ...(i)
where x = number of years after 2010,
It is also given that the average annual wage(y) must be at least 68,400 .
which means y ≥ 68400
Substituting value of y from equation (i) we get ,
2286x + 38620 ≥ 68400
Simplifying the inequality further we get ,
2286x ≥ 68400 - 38620
2286x ≥ 29780
x ≥ 29780/2286
x ≥ 13.02 ≅ 13
Hence , the average annual wage will more than the specified value from the year, 2010+13 = 2023 .
Therefore , the average annual wage of workers in the country will be at least $68400 in the year 2023 and after , the correct option is option (B) .
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What do I write for 23???
Answers
The total cost should be estimated around $60.43
I need help with this
Answers
Answer: last one
Step-by-step explanation:
I think it's the last one because the value of 8 is negative and the value of 1 is positive. however, rita changes the negative and positive numbers and thats why she is wrong.
What is the quotient of 20/8 divided by 5/12?
85/12
12
16
25/9
Answers
Answer:
6 (None of the above)
Step-by-step explanation:
Let's solve the problem,
→ 20/8 ÷ 5/12
→ 20/8 × 12/5
→ 240/40 = 6
Hence, the answer is 6.
Question 13 (1 point)
Saved
Given the following definitions:
U= (a, b, c, d, e, f, g)
A = {a, c, e, g)
B = (a, b, c, d]
Find A U B'
Answers
Answer:
{a, c, e, f, g}
Step-by-step explanation:
[tex]B'=\{a,b,c,d,e,f,g\}-\{a,b,c,d\}=\{e,f,g\} \\ \\ A \cup B=\{a,c,e,f,g\}[/tex]
