Answer:
9
Step-by-step explanation:
18/x = 2
or, 18 = 2x
or, 18/2 = x
or, 9 = x
ans ; x = 9
Find the probability of choosing 3 blue marbles in a row if the marbles are replaced
Answer:
3/6
Step-by-step explanation:
you keep replacing them
COMPLETE
log798= ? ________________________
Answer:
2.90200289135
Step-by-step explanation:
i used a calculator and it gave me 2.90200289135 round it if you need.
which function will add the same number each time
A linear function adds the same number each time. It has a constant rate of change which means it adds or subtracts a certain amount at each step. An example of this would be the equation y = 3x + 2.
Explanation:The function described in the question which will add the same number each time is called a linear function. In mathematics, a linear function is a function that has a constant rate of change. This means that it adds or subtracts the same amount each time. For example, the equation y = 3x + 2 is a linear function. Every time you increase x by 1, y will increase by 3. Similarly, each time you decrease x by 1, y will decrease by 3. This is because the slope of a linear function is constant, indicating a consistent rate of change.
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Express in scientific notation. 0.0872
Answer:
8.72 x 10^-2
Step-by-step explanation:
PLEASE HELP BY TODAY!!! NO WORK NEEDED!!!
In Triangle AngleMNP, what is the measure of Angle N?
1) 20 degrees
2) 46 degrees
3) 64 degrees
4) 76 degrees
Answer:
76
Step-by-step explanation:
Every angle times 20 and add it all up
A number is 9 less than negative 10 what is the number
A number is 7 more than negative 16 what is the number
5 teams will play in a tournament. Each team will play every other team once. How many games will be played
Answer:
1.-19
2.-9
3. 15
Step-by-step explanation:
-10-9=-19
7-16=-9
5+4+3+2+1=15
On Monday, Ken spent half of his money on a new game. The next day he earned $12 mowing lawns. He now has $32. How much money did Ken have before bought the game
Answer:
the anser is 40.0000001
How much energy would a 15,000 g block of ice need to absorb in order to
melt? The heat of fusion of ice is 333 J/g. Enter your answer to the nearest
whole number of kJ.
Answer:
The energy a 15,000 g block of ice will absorb in order to melt is 4995 kJ
Step-by-step explanation:
The question relates to the latent heat of fusion of ice, that is the heat absorbed by the solid ice to convert it to liquid water without changing its temperature.
The formula for the energy required to melt the ice is presented as follows;
Energy required = Mass, m × Latent heat of fusion, [tex]L_f[/tex], of ice
Hence, the mass, m, of the ice = 15,000 g
Latent heat of fusion, [tex]L_f[/tex], of ice = 333 J/g
Therefore;
Energy required = 15,000 g × 333 J/g = 4995000 J
Hence;
The energy a 15,000 g block of ice will absorb in order to melt = 4995000 J
1000 J = 1 kJ
1 J = 1/1000 kJ
Therefore, 4995000 J = (4995000 J)/(1000 J/kJ) = 4995 kJ.
Which gives;
The energy a 15,000 g block of ice will absorb in order to melt = 4995 kJ.
The low temperature in Chicago was -3 °F. The low temperature in Milwaukee was -11 °F. Which statement is true?
-3 is greater than -11, so it was colder in Milwaukee.
-11 is greater than -3, so it was colder in Milwaukee.
-3 is greater than -11, so it was colder in Chicago.
-11 is greater than -3, so it was colder in Chicago.
Answer:
-11 is greater than -3, so it was colder in Milwaukee.
Step-by-step explanation:
-11 is greater than -3, so it was colder in Milwaukee. because -11 is less than -3 because it is more to the left which makes it less
On a coordinate plane, parallelogram A B C D is shown. Point A is at (negative 3, negative 1), point B is at (7, 9), point C is at (8, negative 1), and point D is at (negative 2, negative 11). Create a rectangle around the parallelogram. The dimensions of this rectangle are ____(1). Find the area of the four right triangles surrounding the parallelogram. The total area of the triangles is _____(2) square units. Subtract the triangle areas from the area of the rectangle to obtain the area of the parallelogram. The area of parallelogram ABCD is ______(3) square units.
Answer: HOPE THIS HELPSS!!! please mark me brainliestt
11 by 20
110
110
Answer:
just wanted to say hi
Step-by-step explanation:
Plz give 5 star
Number eight, graph each question
Answer:
(1,3)
Step-by-step explanation:
x would be counted as (1,1) therefore, moving 1 number to the right, and 1 number up.
Plz help don’t have enough time
Answer: The first answer is the right one (1.25 + 0.75g is less than or equal to 20)
Step-by-step explanation:
He can’t spend more than 20 right, so his full cost of the shoes and game has to be less than (or equal to) the amount he has, which is 20.
Answer:
i say A
Step-by-step explanation:
because he has $20 and it has to be either less than or equal to 20 in order to play games
A town with a population of approximately 20,530 people is planning to build a new park. The town government is trying to find out what entertainment options citizens would prefer the park to include and plans to survey people running the trail in the existing park over a period of a month.
Answer:
Step-by-step explanation:
A rectangular board has an area of A square inches. The width of the board
is 12 inches. Which equation represents x, the length of the board in inches?
Answer:
A=12x
Step-by-step explanation:
The equation for a rectangle is A=lw
So if you plug in your variables then you would have A=12x
At a certain time of day, the angle of elevation of the sun is 40°. To the nearest foot,find the height of a tree whose shadow is 35 feet long.
-10° i need help pleaseeee
3x-71=2x-50
I need the answer
Answer:
x = 21
Step-by-step explanation:
3x - 71 = 2x - 50
3x - 2x = -50 + 71
x = 21
Check:
3(21) - 71 = 2(21) - 50
63 - 71 = 42 - 50
-8 = -8
Can I get brainliest
Answer: [tex]x=21[/tex]
Subtract 2x from both sides
[tex]3x-1-2x=2x-50-2x\\x-71=-50[/tex]
Add 71 to both sides
[tex]x-71+71=-50+71\\x=21[/tex]
Please help!! :) Cant solve it on paper currently since its late and just doing it online.
Answer:
14.4 in
Step-by-step explanation:
Using the formula of the Pythagorean theorem, a² + b² = c², we can find the length of the missing side.
a = 8
b = 12
c = ?
8² + 12² = 208
To get your answer, you must take the square root of 208.
√208 = 14.4222051
What is the simplified expression for the expression below
Point A is at (-2,-7) and point B is at (7,4).
What is the midpoint of line segment AB?
The coordinates of the midpoint would be (5/2, -3/2) of line segment AB.
What is Midpoint?A midpoint is defined as in the middle of the line connecting two points a position known as a midpoint. A location in the middle of a line connecting the two points that are equally far from both points is the midpoint.
Let two points A (x₁, y₁) and B (x₂, y₂), the midpoint between A and B is given by,
M(x, y) = (x₁ + x₂)/2, (y₁ + y₂)/2
Coordinates of A are (-2,-7),
Coordinates of B are (7, 4),
M is the midpoint of AB which is given in the question
So the coordinates of M as:
⇒ M(x, y) = (x₁ + x₂)/2, (y₁ + y₂)/2
Substitute the values, and we get
⇒ M = ((-2 + 7)/2, ( -7 + 4)/2)
⇒ M = ((5)/2, ( -3)/2)
⇒ M = (5/2, -3/2)
Therefore, the coordinates of the midpoint would be (5/2, -3/2) of line segment AB.
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A sphere has a radius of 3 ft. What is the volume of the sphere? Give the exact value in terms of Pi.
Answer: 36π
Step-by-step explanation:
equation
V= 4/3(pi)r^3
Write an equation of the line that passes through a pair of points: (negative 2, 2), (5, negative 5)
To find the equation of the line through (-2, 2) and (5, -5), calculate the slope which is -1 and then use the slope-intercept form to find the y-intercept, which is 0. The equation of the line is y = -x.
Explanation:To write an equation of the line that passes through the points (-2, 2) and (5, -5), you need to determine the slope and the y-intercept of the line. First, calculate the slope (m) which is the change in y divided by the change in x: m = (y2 - y1) / (x2 - x1).
Using the points (-2, 2) and (5, -5), the slope calculation would be: m = (-5 - 2) / (5 - (-2)) = (-7) / (7) = -1. This indicates that the line has a negative slope.
Next, use the slope-intercept form of a line, which is y = mx + b, where m is the slope and b is the y-intercept. To find b, use one of the given points and the slope you calculated: 2 = (-1)(-2) + b, which simplifies to 2 = 2 + b, and thus b = 0.
The equation of the line is therefore y = -1x + 0, which simplifies to y = -x.
Solve 2x² -9x-5=0 by factoring. what is the
Solution?
Answer:
0
Step-by-step explanation:
Drew’s dog weighs 24 lb 5 oz. How many ounces does drew’s dog weigh?
Answer:
Step-by-step explanation:
It weighs 389 pounds so the answer would be C.
Find the product. (y 3)2 · y 7 y17 y12 y42 y13
(y^3)^2 * y^7
=y^13
the other answer missinterpreted the question, but seriously next time when there is an exponent signify it with "^"
What is the volume of the rectangular prism? show all work please
Answer:
V= Ab x h
= l x w x h
= 10.4mm × 5mm × 8mm
= 416 mm³
Answer:
416mm
Step-by-step explanation:
V=Bh
B=10.4*5=52
h=8
52*8=416
- Electricity City increases the price of televisions by 25%. If a television now sells for
$425, what was the original price?
Answer:
340
Step-by-step explanation:
Let x = original price
We increase by 25%
x+x*25% = new price
Change to decimal form
x+.25x = new price
Factor out the x
x(1+.25) = new price
x(1.25) = new price
x(1.25) = 425
Divide each side by 1.25
x = 425/1.25
x =340
The original price is 340
There are 9 children in a class who take the bus to school, and there are 15 total children in the class. What percentage of the children take the bus to school?
Answer:
60%
Step-by-step explanation:
(9/15)*100=60
The percentage of the children take the bus to school will be 60%.
What is mean by Percentage?
A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
To Calculate the percent of a number , divide the number by whole number and multiply by 100.
Given that;
There are 9 children in a class who take the bus to school.
And, There are 15 total children in the class.
Now,
Since, Total children in class = 15
And, There are 9 children in a class who take the bus to school.
So, The percentage of the children take the bus to school will be calculated as;
Percent = (Children to take bus to school / Total children) x 100
= (9 / 15) x 100
= 60%
Thus, The percentage of the children take the bus to school will be 60%.
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Which value is equivalent to 2 x 3 + 4 -
6^2?
A. -26
B. -22
C. -2
D. 10
A flashlight battery manufacturer makes a model of battery whose mean shelf life is three years and four months, with a standard deviation of three months. The distribution is approximately normal. One production run of batteries in the factory was 25,000 batteries. How many of those batteries can be expected to last between three years and one month and three years and seven months?
Answer:
17000 batteries
Step-by-step explanation:
Three years and one month is equivalent to the mean minus one standard deviation.
Three years and seven months is equivalent to the mean plus one standard deviation.
For a normal distribution, we know that 68% of population is between mean ± 1 sd, then can be expected that 25000*68% = 17000 of batteries last between three years and one month and three years and seven months