what is the expressions equivalent to 50+30
The average full spreading rate over the last 20,000,000 years at placemark a in the red sea is _________. approximately 1 centimeter per year approximately 10 centimeters per year approximately 19 centimeters per year approximately 2 centimeters per year
If there is a positive correlation between salary and education, then based on the table shown, which of the following careers requires the most education? a. accountant b. paralegal c. photographer d. surveyor
Answer:
Option a. accountant.
Step-by-step explanation:
We have been given the positive correlation graph between salary and education
Positive correlation means a linear relationship between two that means if education increases salary increases.
We need to tell which among the given options requires most education the one which will have highest salary.
That means the Accountant among the given option requires most education.
Because he has highest salary among given four options.
Tyler is playing a game in which he needs to guess an integer. Which of the following is a number that tyler can gues
How do I write 18,801,310 in expanded form using exponents
Expanded form of a certain number involves writing out the place Number value of each digit in the number. The expanded Form of 18,801,310 is [tex] (1 \times {10}^{7} ) + (8 \times {10}^{6} ) + (8 \times {10}^{5} ) + (0 \times {10}^{4} ) + (1 \times {10}^{3} ) + (3 \times {10}^{2} ) + (1 \times {10}^{1} ) + (0 \times {10}^{0} ) [/tex]
[tex]1 = 10 \: million \: place \: = 1 \times 10000000 = 1 \times {10}^{7} [/tex][tex]8 \: = 1 \: million \: place \: = 8 \times 1000000 = 8 \times {10}^{6} [/tex][tex]8 = 100 \: thousand \: place \: = 8 \times 100000 = 8 \times {10}^{5} [/tex][tex]0 = 10 \: thousand \: place \: = 0 \times 10000 = 1 \times {10}^{4} [/tex][tex]1 = 1 \: thousand \: place \: = 1 \times 1000 = 1 \times {10}^{3} [/tex][tex]3 = 1 \: hundred \: place \: = 1 \times 100 = 1 \times {10}^{2} [/tex][tex]1 = 10s \: place \: = 1 \times 10 \: = 1 \times {10}^{1} [/tex][tex]0 = 0 \times {10}^{0} [/tex]Hence,
[tex]18,801,310 = (1 \times {10}^{7} ) + (8 \times {10}^{6} ) + (8 \times {10}^{5} ) + (0 \times {10}^{4} ) + (1 \times {10}^{3} ) + (3 \times {10}^{2} ) + (1 \times {10}^{1} ) + (0 \times {10}^{0} )[/tex]
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George is at a trade show and is trading cards. He started the day with 50 cards, traded 5 of his cards for 1 of Billy's cards, traded 2 of his cards for 7 of Eloise's cards, and then traded 6 of his cards for 6 of Migel's cards. How many cards does he have at the end of the day?
Serena has 6 photo albums with 15 photos in each. Her friend Maya has 8 albums with 13 photos in each. If Serena adds another 12 photos to her albums how many photos will Serena and Maya have in all?
Suppose you are a small business owner. How would a market demand schedule or a market demand curve be useful?
A dance studio charges an application fee of $75 and $50 per month for membership. This is represented by the linear equation C = 50x + 75, where C represents the cost and x represents the number of months. They are running a "no application fee" special during the month of January. How should the linear equation be changed to represent the new price?
To represent the new price during the 'no application fee' special, the dance studio's cost equation would change from C = 50x + 75 to C = 50x by removing the $75 application fee.
Explanation:The dance studio's original cost equation is C = 50x + 75, where C represents the total cost and x represents the number of months of membership. The $75 in the equation represents the application fee. During the "no application fee" special in January, this fee is waived, so the new equation would only include the monthly membership cost, which is $50 per month. The new equation would be C = 50x, removing the application fee entirely from the cost calculation.
Crystal is having a painting party with her friends. Each friend will need two canvases. The equation to find the total number of canvases Crystal needs is c=2f , where c is the number of canvases and f is the number of friends. Which variable is the independent variable? A. c B. f C. There is no relationship between the variables.
What symbols relate to the numbers 25 ? 35
find all sets of three consecutive even integers whose sum is greater than 102 and less than 116
Marcos is organizing a fundraiser for his youth group. He spent $38.00 on paper products, $187.00 on food, and $40.00 on decorations. If his budget was $280.00, how much money does Marcos have left?
$15.00
$25.00
$115.00
$125.00
Answer:
15$
These are simple algerbra problems.
what sequence is next 3 9 27 81
passes through A(-3, 0) and B(-6, 5). What is the equation of the line that passes through the origin and is parallel to ?
Answer:
Equation of line , 5x + 3y = 0
Step-by-step explanation:
The slope of a line passing through points (x₁,y₁) and (x₂,y₂) is given by [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
Here points are given by (-3,0) and (-6,5)
Slope[tex]=\frac{5-0}{(-6)-(-3)}=\frac{-5}{3}[/tex]
The slope of parallel lines are same. So slope of required line [tex]=\frac{-5}{3}[/tex]
Equation of a line with slope m passing through origin is given by
y =mx
So equation of line, [tex]y=\frac{-5}{3}x\\\\3y=-5x\\\\5x+3y=0[/tex]
Equation of line , 5x + 3y = 0
Answer: -5x -3y = 0
Step-by-step explanation:
took on edmentum/plato and got it right. enjoy :)
courtlynn combines 7/8 cup sour cream with 1/2 cup cream cheese. she then divides the mixture between two bowls. how much mixture does courtlynn put in each bowl?
What is the simplified form of the left side of the following equation?
2x-4+5x=8
Select the correct answer below.
A.2x+1
B.3x-4
C.5x-2
D.7x-4
Suppose that you invest $5873 in an account that earns interest at an APR of 4.4%, compounded monthly. Determine the accumulated balance after 7 years.
Find the distance between 0,3 and -2-5 round nearest hundreth
5/2(6x-7)+ 4/3(2+9x)
solve the equation 0.35(x+4)=0.25(x-6)
Answer:
x=-29
Step-by-step explanation:
First multiply 0.35 by x+4 and 0.25 by x-6 after you do that you will get
0.35x+1.4=0.25x-1.5
now add 1.5 from -1.5 and 1.4 now your equation on will look like this
0.35x+2.9=0.25x
Now subtract 0.35x from both sides of the equation and your equation will look like this
2.9=0.1x
at this point you divide to get your answer, divide 2.9 and 0.1x by -0.1 and you will end up with 2.9 over -0.1 once you divide you will get -29=x
The value of x is -29.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
0.35(x+4)=0.25(x-6)
Now, solving for x
0.35 x + 1.4 = 0.25x - 1.5
0.10x = -2.9
x= -29
Hence, the value of x is -29.
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Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins the spinner 180 times. Kevin determines about how many times the spinner will land on red or green, and his work is shown below.
Kevin's spinner will land on red or green approximately 72 times out of 180 spins since the probability of landing on red or green per spin is 0.4.
Explanation:The student's question involves determining the expected number of times a spinner will land on specific colors, given that the spinner is spun a large number of times. In this scenario, Kevin has a spinner with 10 equal sections with 2 sections of each color - red, blue, green, yellow, and purple. When Kevin spins the spinner 180 times, he wants to figure out how many times it will land on red or green.
Since there are 2 sections each of red and green out of a total of 10, the probability of landing on either red or green for a single spin is P(red or green) = P(red) + P(green) = 2/10 + 2/10 = 4/10 = 0.4. To find the expected number of times the spinner will land on red or green after 180 spins, we simply multiply the total number of spins by the probability of landing on red or green: 180 spins * 0.4 = 72 spins. Therefore, we can expect the spinner to land on red or green approximately 72 times out of 180 spins.
Assume that the salaries of elementary school teachers in the united states are normally distributed with a mean of $32,000 and a standard deviation of $3000. if 100 teachers are randomly selected, find the probability that their mean salary is less than $32,500.
Answer: 0.9525
Step-by-step explanation:
Given : The salaries of elementary school teachers in the united states are normally distributed with a mean of [tex]\mu=\$32,000[/tex] and a standard deviation of [tex]\sigma=\$3000[/tex].
Sample size : n= 100
Let x be a random variable that denotes the salaries of elementary school teachers in the united states.
Formula : [tex]z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}[/tex]
Then, the probability that their mean salary is less than $32,500 will be :-
[tex]P(x<32500)=P(\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}<\dfrac{32500-32000}{\dfrac{3000}{\sqrt{81}}})\\\\=P(z<\dfrac{500}{\dfrac{3000}{10}})\approx P(z<1.67)=0.9525\ \ [\text{Using z-value}][/tex]
Hence, the probability that their mean salary is less than $32,500 = 0.9525
Which mathematical expression is equivalent to the expression "nine less than six times the number t"?
Question 5 options:
A. 6 - 9t
B. 6t - 9
C. 9 - 6t
D. 9t - 6
The Expression is 6t - 9.
What is Equations?An equation is a mathematical statement that connects two expressions of equal value by using the "equal to" symbol.
A mathematical statement with two algebraic expressions on either side of an "equal to (=)" sign is called an equation. It demonstrates the equality of the relationship between the expression written on the left and right sides.
Given Expression "nine less than six times the number t"
which means number 9 should less than product of 6 and t
six times the number t implies the product of t and 6 which is equal to
6t,
and subtract 9 from 6t we get
6t - 9
Hence the expression "nine less than six times the number t" is 6t - 9.
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If (6 to the power of 2)x = 1, what is the value of x? Explain your answer.
If (6 to the power of 0)x = 1, what are the possible values of x? Explain your answer.
PLEASE HELP AND EXPLAIN I CANT FAIL THIS QUESTION HELPPP!!!
An airplane allows each passenger 36 kilograms of luggage. Carl has to lower the weight of his suitcase by 25% to stay within the limit. How much did the suitcase originally weight?
The cartesian coordinates of a point in the xy-plane are (x, y) = (-3.84, -2.87) m. find the polar coordinates of this point.
which has the greater volume: a 4 meter cube or a rectangular solid that that is 8 meters long, 2 meters wide and 2 meters high
Answer:
The cube has the greater volume.
Step-by-step explanation:
The volume of a cube is given as:
[tex]V=x^3[/tex]
Where [tex]x[/tex] is the measure of 1 side (all sides of a cube are same)
The volume of a rectangular solid is given as:
[tex]V=l*w*h[/tex]
Where [tex]l[/tex] is the length, [tex]w[/tex] is the width, and [tex]h[/tex] is the height.
From the problem,
Volume of cube = [tex](4)^{3}=64[/tex] [since each side is given as 4]Volume of rectangular solid = [tex]8*2*2=32[/tex] [the length is given as 8, width is 2, and height is 2]The cube has the greater volume.
A normal distribution has a mean of µ = 100 with σ = 20. if one score is randomly selected from this distribution, what is the probability that the score will have a value between x = 90 and x = 120?
For each sequence, find a formula for the general term, a_n. for example, answer n ^2 if given the sequence: \lbrace 1, 4, 9, 16, 25, 36, . . . \rbrace