In U.S. dollars, the equivalent money will be $100.74
What is a expression? What is a mathematical equation? What do you mean by domain and range of a function?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.For any function y = f(x), Domain is the set of all possible values of [y] that exists for different values of [x]. Range is the set of all values of [x] for which [y] exists.
Given is your dinner in London cost 82 British pounds
Then in U.S. dollars, the equivalent money will be equivalent to -
x = 82 pounds = 82 x 1.2286 = $100.74
x = $100.74
Therefore, in U.S. dollars, the equivalent money will be $100.74
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One megabyte of cell phone storage space is 2^{20} bytes. An app uses 4^4 megabytes of storage space. How many bytes of storage space does the app use? Write your answer as a power of 2.
Answer:
2²⁰ bytes
Step-by-step explanation:
Given
[tex]Phone\ Storage = 2^{20}\ bytes[/tex]
[tex]App\ Storage = 4^4\ megabytes[/tex] of phone storage space
Required
Determine the storage space of the app in bytes
To answer this, we simply multiply the app storage by the phone storage
This gives:
[tex]Total = 2^{20} * 4 ^4[/tex]
Express 4 as 2²
[tex]Total = 2^{20} * 2^2^* ^4[/tex]
[tex]Total = 2^{20} * 2^8[/tex]
Apply Laws of Indices
[tex]Total = 2^{20+8}[/tex]
[tex]Total = 2^{28}[/tex]
Hence, the storage space of the app is 2²⁰ bytes
You randomly draw a marble from a bag of marbles that contains 7777 blue marbles, 2222 green marbles, and 1111 red marble. What is P(not draw a blue marble)\text{P(not draw a blue marble})P(not draw a blue marble)start text, P, left parenthesis, n, o, t, space, d, r, a, w, space, a, space, b, l, u, e, space, m, a, r, b, l, e, end text, right parenthesis? If necessary, round your answer to 2222 decimal places.
Answer:
0.3
Step-by-step explanation:
There are:
Blue marbles = 7777Green marbles = 2222Red marbles = 1111Total marbles:
7777 + 2222 + 1111 = 11110Then:
P ( not blue) = (2222+1111)/11110 = 0.3Answer is: the probability of not draw a blue marble is 0.3
Explain how to round a number when three is a digit to the right of the rounding place
Answer:
if the number is 5 or higher, you round up.
if the number is 4 or lower, you round down.
96.57 → 96.6
96.53 → 96.5
A bag contains 1 red, 1 yellow, 1 blue, and 1 green marble. What is the probability of choosing a green marble, not replacing it, and then choosing a red marble?
Answer:
if its fractions then 1/4 if its percentage then 25%
Step-by-step explanation:
5 2/3 + 3 1/2 =
Your answer
Answer:
9 1/6
Step-by-step explanation:
Add the whole numbers: 5+8
Combine the fractions by making their denominator the same: 7/6
Add 6/6 = 1 so add to the whole numbers to make this a mixed fraction.
Answer:
9 1/6
Step-by-step explanation:
5 2/3 + 3 1/2 =
We need to get a common denominator of 6
5 2/3 *2/2 = 5 4/6
3 1/2 *3/3 = 3 3/6
5 4/6 + 3 3/6
8 7/6
8+ 6/6 + 1/6
8 + 1 + 1/6
9 1/6
-8-x=x-4x
Can anyone help please
Answer: x=4
Step-by-step explanation:
-8-x=x-4x
-8-x=-3x
-x+3x=8
2x=8
x=4
Find an equation for the linear function which has a slope of 8 and x intercept of 5
Answer:
y = 8x-40
Step-by-step explanation:
The slope intercept form of a line is
y= mx+b where m is the slope and b is the y intercept
We know the slope is 8 and the x intercept is 5 ( 5,0)
y = 8x +b
Substitute the point into the equation
0 = 8(5)+b
0 = 40+b
b=-40
The equation is
y = 8x-40
- 3/5 + - 8/2 = in simplified way.
Answer:-23/5
Step-by-step explanation:
-3/5-8/2
-3/5-4
-3+20/5
-23/5
Answer:
-23/5
Step-by-step explanation:
-3/5 + - 8/2
Find the least common multiple of 5 and 2.
That would be 10.
That means we have to multiply the first fraction by 2/2 and the second one by 5/5
-3/5*2/2
Multiply the numerators together and the denominators together.
-6/10
Repeat with the second fraction.
-8/2*5/5
-40/10
Our new expression is
-6/10+-40/10
-46/10
Simplify
-23/5
As a mixed number that would be:
-4 3/5
Abel currently has a balance of $10,986.50 in an account he has held for 25 years. He opened the account with an
initial deposit of $5,110. What is the simple interest rate on the account?
A. 4.0%
B. 2.1%
C.8.6%
D.4.6%
find the value of a in the equatuion 5 over a+3 =3 over a-2
Answer:
9.5
Step-by-step explanation:
5/(a+3)=3/(a-2)
5(a-2)=3(a+3)
5a-10=3a+9
5a-3a=9+10
2a=19
a=9.5
M
A person earns $32600 one year and receives a 5% rise in salary what is the new salary
Answer:
$34,230
Step-by-step explanation:
Total Salary = Base Salary + Increase
Total Salary = 32600 + (32600)(0.05)
Total Salary = $34,230
Help would be appreciated !!
How many inches are in 14 feet, 8 inches? Enter only the number. Do not include units
Answer:
176
Step-by-step explanation:
14x12 = 168 + 8 = 176
There are 176 inches in 14 feet, 8 inches.
To find the total number of inches in 14 feet, 8 inches, we need to convert the feet to inches and then add the inches.
So, 14 feet = 14 x 12
= 168 inches.
Adding the extra 8 inches, the total is:
= 168 inches + 8 inches
= 176 inches.
Therefore, there are 176 inches in 14 feet, 8 inches.
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How do you solve 5+25:5x8-2
I hope I helped you
Step-by-step explanation:
First you solve: 25:5=?
After: the number you find×8=?
And:?+5=?
The number -2
please assist me with this problem: part 11
Answer:
a² = b² -w² +2wx
Step-by-step explanation:
The algebra is pretty straightforward. Expand the expression in parentheses and add x².
b² -(w -x)² = e² = a² -x²
b² -(w² -2wx +x²) = a² -x² . . . . . expand the square
b² -w² +2wx -x² = a² -x² . . . . . . distribute the minus sign
b² -w² +2wx = a² . . . . . . . . . . . . add x²
In the data set below, what is the variance?
6 7 2 1 8 29
In the data set below, what is the variance?
6 7 2 1 8 29
s^ 2 ≈ 105.368
Find the real solution.
Answer:
i think it should be no solution
Answer:
X=5/2
Step-by-step explanation:
Multiply both sides by 12 since it is the lcm
[tex] 4 \times 2x - 6x = 5 \\ 2x = 5 \\ x = \frac{5}{2} [/tex]
What x values would be good to use so she does not get fractions for her y values when making the table of ordered pairs.
Answer:
-3, 0, 3
Step-by-step explanation:
Given, [tex] y = -\frac{4}{3}x + 2 [/tex], the set of x values that will make Kayda not to get y values that are not fraction are -3, 0, 3.
This is so, because,
when x = -3, [tex] y = -\frac{4}{3}(-3) + 2 = \frac{12}{3} + 2 = 4 + 2 = 6 [/tex]
when x = 0, [tex] y = -\frac{4}{3}(0) + 2 = -0 + 2 = 2 [/tex]
when x = 3, [tex] y = -\frac{4}{3}(3) + 2 = \frac{-12}{3} + 2 = -4 + 2 = -2 [/tex]
The correct response is -3, 0, 3
One side of a triangle is 3 times the second side. The third side is 13 feet longer than the second side. The perimeter of a triangle is 68 feet. Find the length of each side.
Answer:
33, 11, 24 feet
Step-by-step explanation:
Let s represent the length of the second side. Then the length of the first side is 3s and the length of the third side is s+13. The perimeter is the sum of side lengths:
(3s) +(s) +(s +13) = 68
5s = 55 . . . . . subtract 13
s = 11 . . . . . . . divide by 5
The side lengths are ...
33, 11, 24 feet
is y=1.25x proportional
The data below are the temperatures on randomly chosen days during the summer and the number of employee absences at a local company on those days. Construct a 95% prediction interval for y, the number of days absent,
given x = 95 degrees and y= 0.449x - 30.27
Temperature, x 72 85 91 90 88 98 75 100 80
Number of absences, y 3 7 10 10 8 15 4 15 5
Answer:
12.385; (10.0, 14.7)
Step-by-step explanation:
Given the following information :
Temperature, x 72 85 91 90 88 98 75 100 80
Number of absences, y 3 7 10 10 8 15 4 15 5
The obtained regression equation:
y= 0.449x - 30.27
Where y = predicted variable ; x = independent variable ; - 30.27 = intercept and slope = 0.449
Constructing a 95% prediction interval for y:
x = 95°
Inputting x = 95 into the regression equation :
y= 0.449(95) - 30.27
y = 42.655−30.27 = 12.385
Prediction interval = y ± error margin
To save computing time, error margin (E) can be obtained using the online error margin calculator.
Obtained error margin (E) value = 2.3398
(12.385 - 2.3398, 12.385 + 2.3398)
(10.0452, 14.7248)
(10.0, 14.7)
Calculus 2 master needed; evaluate the integral PLEASE SHOW STEPS IF IM WRONG [tex]\int{sin^3x/\sqrt{cosx} } \, dx[/tex] I split off the sin^3 so i can use the pythag identity and allows for u substitution u=cosx du=-sinx dx -du=sin dx [tex]\int{1-u^2/\sqrt{u}*-du }[/tex] I move the negative towards the outside of the integral. then i divide the terms by sqroot 2||| [tex]-\int{(1/\sqrt{u} - u^2/\sqrt{u} )} \, du[/tex] I eventually get to a=1/2 b =5/2 [tex]-2{cos^a x +2/5cos^b} \, dx[/tex] did I miss anything? Or is this the final answer?
Answer:
Your process is indeed correct!
The full solution is:
[tex]\displaystyle \int\frac{\sin ^3 x}{\sqrt{\cos x}}\, dx= \frac{2}{5} \cos^{{}^{5}\!/\!{}_{2}} x - 2\cos ^{{}^{1}\!/\!{}_{2}}x + C[/tex]
Step-by-step explanation:
We want to evaluate the integral:
[tex]\displaystyle \int \frac{\sin^3(x)}{\sqrt{\cos(x)}}\, dx[/tex]
As you had done, we can rewrite our integral as:
[tex]\displaystyle =\int \frac{\sin(x)(\sin^2(x))}{\sqrt{\cos(x)}}\, dx[/tex]
Using the Pythagorean Identity, this is:
[tex]\displaystyle =\int \frac{\sin(x)(1-\cos^2(x))}{\sqrt{\cos(x)}}\, dx[/tex]
Now, we can make a substitution. Let u = cos(x). Then:
[tex]\displaystyle du = - \sin x \, dx[/tex]
Substitute:
[tex]\displaystyle = \int\frac{1-u^2}{\sqrt{u}} \, \left(- du\right)[/tex]
Simplify:
[tex]\displaystyle = -\int \frac{1}{\sqrt{u}} - \frac{u^2}{\sqrt{u}}\, du[/tex]
Rewrite:
[tex]\displaystyle = -\int u^{{}^{-1}\!/\!{}_{2}} - u^{{}^{3}\!/\!{}_{2}}\, du[/tex]
By the Reverse Power Rule:
[tex]\displaystyle = -\left(2u^{{}^{1}\!/\!{}_{2}} - \frac{2}{5} u^{{}^{5}\!/\!{}_{2}}\right) + C[/tex]
Simplify:
[tex]\displaystyle = \frac{2}{5} u^{{}^{5}\!/\!{}_{2}}-2u^{{}^{1}\!/\!{}_{2}} + C[/tex]
Back-substitute:
[tex]\displaystyle = \frac{2}{5} \cos^{{}^{5}\!/\!{}_{2}} x - 2\cos ^{{}^{1}\!/\!{}_{2}}x + C[/tex]
Answer:
= - 2 [tex]\sqrt{cos(x)}[/tex] + 2 cos⁵/₂ (x) + C
5
Step-by-step explanation:
∫ sin³ (x) dx
[tex]\sqrt{cos(x)}[/tex]
= ∫ sin² (x) sin (x) dx
[tex]\sqrt{cos(x)}[/tex]
= ∫ (1 - cos² (x) sin (x) dx
[tex]\sqrt{cos(x)}[/tex]
= ∫ - 1 - u² du
√u
= ∫ - 1 + u³/₂ du
√u
= - ∫ 1 du + ∫ u³/₂ du
√u
substitute it back
= - 2 √u + 2 cos⁵/₂ (x)
5
add constant, therefore
= - 2 [tex]\sqrt{cos(x)}[/tex] + 2 cos⁵/₂ (x) + C
5
Name the intersection of lines r and a.
Answer:
point B
Step-by-step explanation:
the lines intersect at that point
Which angles are congruent to the given angle measure?
1, 4 and 7 angles are congruent to 56°
hope this helps ^-^
Unit Rates: Tutorial
hours per acre
Part B.
Write a division problem that will help you solve for the unit rate. Write the problem from left to right using only mixed numbers. Include units
next to each mixed number
.)
A-A-DEZE
y
X
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Answer:
4 1/8hours ÷ 2 3/4
Step-by-step explanation:
Which of the values in the set {3, 4, 5, 6} is a solution to the equation 4x + 2 = 22?
03
04
05
06
Mathematics 25 points
Answer:
The angle from the centre of Ann's slice is 60 degrees.
Step-by-step explanation:
If the size of the slices is proportional to the ages of the children eating the cake, then the sum of their ages equal to 360 degrees (since the cake is a circle).
So to work out the angle of Ann's portion, we find a fraction for Ann's age over the total of all of their ages. So:
5/(5 + 10 + 15) = 5/30
Now since we know their ages are proportional to the slices of cake, we can find the same value for the fraction 5/30 that is out of 360 to work out the angle. Let's call the angle representing Ann's slice x. So know we can create an equation:
5/30 = x/ 360
5/30 * 360 = x
x = 60
Answer:
60 degrees.
Step-by-step explanation:
The first element in the periodic table is
Answer:
Step-by-step explanation:
Hydrogen
Answer:
Hydrogen
Step-by-step explanation:
Look at the periodic table.
Also, has the lowest attomic number.
3x + 7x=
Combine like terms
Answer:
10x
Step-by-step explanation:
3x + 7x
= 10x
Please help me. It’s from my math class
Answer:
he would need about 16 weeks
Answer:
1-72: Estimate- 15 weeks
Actual- $125/$7.75= 16.13 weeks.
1-73: 3 feet long=36 inch board
6 feet long=72 inch board
12 feet long = 144 inch board
1-74: a. 100, 50, 60, 40, 20, 0
b. 75, 60, 45, 30, 15, 0
c. 125, 100, 75, 50, 25, 0
d. 250, 200, 150, 100, 0