White the equation of the circle with center -7,4 and diameter 12
Answer: (x -4)^2 +(y -7)^2 = 36
Step-by-step explanation: The equation of a circle with radius r and center at (h, k) is ...
(x -h)^2 +(y -k)^2 = r^2
When the diameter is 12, the radius is 6 (half the diameter). Then for your center point, the equation is ...
(x -4)^2 +(y -7)^2 = 36
in 1965, the population of country A was 2 714 000. in 2015 the population was 3 663 900. write the population in 2015 correct to 3 significant figures?
BEST ANSWER :
(iv) a) 3.66 × 10^6
b) 2.714 × 10^6
(iii) 35%.
by question known :
(i) a) 3663900 = 3.6639 × 10^6
= 3.66 × 10^6
{ keep three significant digit }
b) 2714000 = 2.714 × 10^6
(iii) (3663900 - 2714000) ÷ 2714000 × 100%
= 949900 = 2714000 × 100%
= 0.35 × 100%
=35%
.°. the percentage increase in the population from 1965 to 2015 is 35%
If a polynomial has three terms, x2 12x 36, which factoring method can be considered? perfect-square trinomial difference of squares sum of cubes difference of cubes
The best factoring method that can be considered for the polynomial is (a) perfect-square trinomial
How to determine the factoring method?The polynomial is given as:
x² + 12x + 36
The above polynomial has three terms,
This means that the sum or the difference of cubes and squares cannot be applied (because it has more than two terms)
Hence, the best factoring method that can be considered for the polynomial is (a) perfect-square trinomial
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Answer:
A
Step-by-step explanation:
Got it right on Edge 1922
Given F(-7,8), G(-4,6), H(1,3), and
I(x,9). Find x such that FG I HI.
Answer:
(8,-4), (3,X)
Step-by-step explanation:
Hi I really need help on 4 pls help
Answer:
a. Draw a column for each ticket sold. (For 0-9, draw a bar upto 2. For 10-19, draw a bar upto 4. For 20-29, draw a bar upto 3. And for 30-39, draw a bar upto 1.
b. 10 students sold tickets
c. 40% of students sold 20 or more tickets
Answer:
a) attached image below
b) 10 studentssold tickets
c) 40% of students sold 20 or more tickets
Step-by-step explanation:
good job on number 3 !
Hope this helps, let me know if you have any questions :)
A bucket can hold a total of 5 gallons. If the bucket is 45% full, how much water is in the bucket?
The question is an illustration of volume, and the amount of water in the bucket at 45% full is 2.25 gallons
How to determine the amount of water?The capacity of the bucket is given as:
Bucket = 5 gallons
At 45% full, we have:
Capacity = 45% * 5 gallons
Evaluate the product
Capacity = 2.25 gallons
Hence, the amount of water in the bucket at 45% full is 2.25 gallons
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Find the equation of the line that passes through the points (12, 9) and (2,7)
Answer:
see photo below for analysis
Step-by-step explanation:
what is the opposite of -26? how many units away from 0 is its location on a horizontal number line,and in which direction ?
Joe has a cube shaped box that needs to be filled with packaging material If the length of one side 2 feet, then what is the volume of the box?
Whats 793861 x 672540 =
Help pls
Answer:
533903276940
Step-by-step explanation:
easy
Answer:
533,903,276,940
Step-by-step explanation:
Have a nice day/night!
Hairs was asked to evaluate the algebraic expression-3x + 6 when x=-7. 5
Answer:
28.5
Step-by-step explanation:
substitute x = - 7.5 into the expression
- 3(- 7.5) + 6 = 22.5 + 6 = 28.5
Marcia is using the rule “Heart, Star, Star to make a repeating pattern. she wants the pattern to repeat 6 times. How many stars will be in Marcia’s pattern?
If the repeating pattern is “Heart, Star, Star". Then the number of the stars is 12 in Marcia's pattern.
What is multiplication?It is also known as the product. If the object n is given to m times then we just simply multiply them.
Marcia is using the rule “Heart, Star, Star to make a repeating pattern. she wants the pattern to repeat 6 times.
Then the number of the stars will be
→ 6 × 2
→ 12
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A game has a spinner with 8 equal- sized sections. The results of 450 spins are shown in the table. Part Frequency 1 58 2 52 3 39 4 77 5 50 6 43 7 60 8 71
For which number is the experimental probability closest to the theoretical probability
Using it's concept, it is found that the experimental probability is closest to the theoretical probability for number 1.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
The theoretical probability is calculated before any experiments, while the experimental probability is calculated after experiments.
Considering that the sections are equal-sized, the expected frequency for each section is given by:
Ef = 450/8 = 56.25.
The closest frequency to 56.25 is of 58, associated with number 1, which is the one that has the closest probabilities.
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Find the length of XV for Rectangle WXYZ.
PLEASE HELP!!!!
Answer: 20.5
Step-by-step explanation:
PLEASE ANSWER!!
A quadratic function is shown on the graph.
A. Write an equation to represent the function in vertex form.
B. Write an equation to represent the function in standard form.
Answer:
see explanation
Step-by-step explanation:
A
the equation of a quadratic in vertex form is
y = a(x - h)² + k
where (h, k ) are the coordinates of the vertex and a is a multiplier
here (h, k ) = (1, - 4 ) , then
y = a(x - 1)² - 4
to find a substitute the coordinates of any other point on the graph into the equation.
using (0, - 3 )
- 3 = a(0 - 1)² - 4 ( add 4 to both sides )
1 = a(- 1)² = a ⇒ a = 1
y = (x - 1)² - 4 ← in vertex form
B
the equation of a quadratic in standard form is
y = ax² + bx + c ( a ≠ 0 )
using the result from A
y = (x - 1)² - 4 ← expand the factor using FOIL
= x² - 2x + 1 - 4
y = x² - 2x - 3 ← in standard form
How much times is 1,700,000,000 greater than 400,000,000
Answer:
4.25(Divided) or 1,300,000,000(subtracted)
what is 123456x123456
Answer:
Well if you really want to know, it's 15241383936.
Hope this helps
please help!! hurry! thank you
Answer:
108 degrees
Hope this helps!!
HELP ME PLS IM THIS CLOSE TO LOOSING ALL OF MY SANITY
Answer:
INSPIRING
Step-by-step explanation:
If the sum of the squares of the two shorter sides of a triangle is greater than the square of the longest side, the triangle is acute. However, if the sum of the squares of the two shorter sides of a triangle is smaller than the square of the longest side, the triangle is obtuse. And if the sides satisfy the Pythagorean theorem, it is a right triangle.
The measure of AB is 126º. What is the measure of ABC, the tangent- chord angle?
Ans: B 63 degree
Step-by-step explanation:
Chord
to find the chord
1/2 or either 0.5
0.5 x 126 = 63
Mark me as Brainliest
Ty , hope it helped
Answer:
B
Step-by-step explanation:
is is correct 63 degrees , Hope this helps !!
1. You want to buy one drink and some tacos. A drink
costs $2.25 and tacos cost $1.75. You have $10. Write
an inequality. How many tacos can you buy?
2
is
i need helpppppp!!!!
Answer:
The first one
Step-by-step explanation:
neritic zone, shallow marine environment extending from mean low water down to 200-metre (660-foot) depths, generally corresponding to the continental shelf. Neritic waters are penetrated by varying amounts of sunlight, which permits photosynthesis by both planktonic and bottom-dwelling organisms.
(Help me pls as soon as possible this is due today!!!)
1. There are 20 goldfish and 30 minnows in the pond. What is the ratio of minnows to goldfish?
2. There are 15 quarters and 10 dimes in the jar. What is the ratio of quarters to dimes?
3. There are 50 stamps and 60 envelopes. What is the ratio of envelopes to stamps?
4. The store has 60 goggles and 20 flippers. What is the ratio of flippers to goggles?
5. The scale of a dinosaur mural is 1 foot for every 30 feet. If you want to draw a 90-foot dinosaur, how many feet long must it be?
6. Larry answered 8 out of every 10 questions on a test correctly. The test had 70 questions. How many correct answers did Larry give?
1) 3:2
2) 3:2
3) 6:5
4)1:3
5) 3 feet
6) 56 correct answers
Help me with this please giving brainlist
Answer: 6 pounds is the mode
Step-by-step explanation: 6 is the most common number
Help please!!
I can’t figure this out
Check the picture below.
so the prism is a "right square" prism, namely it has only right-angles and two of its faces are a square, namely the front and back. We know it has a surface are of 220 cm², so let's check what the width "w" is first.
[tex]\stackrel{\textit{\huge surface area}}{\stackrel{\textit{front and back}}{2(5)(5)}~~ + ~~\stackrel{\textit{left and right}}{2(5)(w)}~~ + ~~\stackrel{\textit{top and bottom}}{2(5)(w)}}~~ = ~~\stackrel{cm^2}{\textit{\Large 220}} \\\\\\ 50~~ + ~~10w~~ + ~~10w~~ = ~~220\implies 50+20w=220\implies 20w=170 \\\\\\ w=\cfrac{170}{20}\implies w=\cfrac{17}{2} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{\textit{\huge volume}}{\stackrel{length}{(5)}~~\stackrel{height}{(5)}~~\stackrel{width}{\left( \cfrac{17}{2}\right)}}\implies \cfrac{425}{2}\implies 212.5[/tex]
What expression has a value of 13?
Answer:
The answer is A) 5^2 + (2 x 1) - 14
Step-by-step explanation:
Use PEMDAS ( Parentheses, Exponent, Multiply or Divide, Add or Subtract)
5^2 + (2 x 1) - 14
5^2 + 2 - 14 Do what's in the parentheses
25 + 2 - 14 Then you will do the exponent
27 - 14 Then you subtract
13
What is the inverse of the function f(x) = x 3? h(x) = one-thirdx 3 h(x) = one-thirdx – 3 h(x) = x – 3 h(x) = x 3
The inverse of the function f(x) = [tex]x^{3}[/tex] is : [tex]\sqrt[3]{x}[/tex]
What is the inverse of a function?The inverse of a function is that function that acts to undo a given function.
Analysis:
if f(x) = x^{3}, then let y = [tex]x^{3}[/tex]
[tex]\sqrt[3]{y}[/tex] = [tex]\sqrt[3]{x^{3} }[/tex]
x = [tex]\sqrt[3]{y}[/tex]
Replace y with x
h(x) = [tex]\sqrt[3]{x}[/tex]
in conclusion, the inverse of h(x) = [tex]\sqrt[3]{x}[/tex]
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Which is a reasonable conclusion from the information presented in the bar graph? A. Germany won the fewest number of Olympic medals in the Summer Games of 2004. B. Russia won the most number of Olympic medals in the Summer Games of 2004. C. Australia won 20 Olympic medals in the Summer Games of 2004. D. Australia won more Olympic medals than the United States in the Summer Games of 2004.
It's really hard to see on the graph but the answer should be A. Germany won the fewest number of Olympic medals in the Summer Games of 2004.
If you read the other options, it doesn't make sense at all so through the process of elimination, A is the answer.
Answer:
A.Germany won the fewest number of Olympic medals in the Summer Games of 2004.
Step-by-step explanation:
because i took the quiz
In an archery competition, each archer shoots 3 arrows at a target. An archer’s score is calculated by measuring each arrow’s distance from the center of the target and finding the mean. One archer has a mean distance of 1.6 inches and a MAD of 1.3 inches in the first round. In the second round, this same archer’s arrows are farther from the center but more consistent. What values for the mean and MAD would fit this description for the second round?
Answer:
Mean: 3 Mad: 1/3
Step-by-step explanation:
First we need to find out the numbers, so to get a mean of 3 we have to get to 9 ebcause there are 3 arrows.
We have to make sure that the arrows are not too close to the centerYou can have decimals2nd: Once you find the numbers which are 2.5, 3, and 3.5 you add them together and divide it by 3 to get 3 the mean
3rd: Find the MAD but adding .5 and .5 to get 1 then divide it by 3 and you get 1/3 as the MAD.
Hope this helps!
The archer's mean distance in the second round is 1.6 inches and the MAD is 0.83 inches.
What is a mean?It is the average value of the set given.
It is calculated as:
Mean = Sum of all the values of the set given / Number of values in the set
We have,
Let's first recall that MAD stands for Mean Absolute Deviation, which is a measure of the variability of a set of data.
The MAD is calculated by taking the absolute value of the difference between each data point and the mean, and then finding the average of those absolute values.
Let the mean distance of the archer's arrows in the second round be m, and let the MAD be d.
In the first round, the archer's mean distance was 1.6 inches and the MAD was 1.3 inches.
This means that the absolute difference between each arrow's distance from the mean was, on average, 1.3 inches.
In the second round, the archer's arrows were farther from the center, so we expect the mean distance to be larger than 1.6 inches.
However, the arrows were more consistent, so we expect the MAD to be smaller than 1.3 inches.
To find the new value for the mean distance, we can use the fact that the sum of the distances from the mean is equal to zero. This means that:
3(m - mean) = 0
Solving for m, we get:
m = mean
Therefore, the mean distance in the second round is equal to the mean distance in the first round, which is 1.6 inches.
To find the new value for the MAD, we can use the fact that the variance (the square of the standard deviation) is equal to the average of the squared differences between each data point and the mean.
This means that:
Var = (1/3)(d²)
Since the arrows in the second round are more consistent, we expect the variance to be smaller than in the first round.
Therefore, we can set the new variance to be some fraction f of the old variance, and solve for the new value of d:
f(Var) = (1/3)(d²)
d² = 3f(Var)
d = √(3f(Var))
We don't know the exact value of f, but we do know that it is less than 1 since the variance is decreasing.
Let's assume that f = 0.5 for simplicity.
Using this value of f and the given values for the mean and MAD in the first round, we get:
Var = (1/3)(1.3³) = 0.56
d = sqrt(30.50.56) = 0.83
Therefore,
The archer's mean distance in the second round is 1.6 inches and the MAD is 0.83 inches.
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Find if line M is a tangent line to circle B.
Answer:
No
Step-by-step explanation:
The tangent line must form a right angle with the radius
No, 4 5 6 isn't a right triangle
Answer:
Line m is not a tangent line to circle B.
Step-by-step explanation:
The tangent line to a circle is always perpendicular to the radius.
The line segment measuring 4 units is the radius of Circle B, therefore if line m is a tangent line to the circle, the angle between this segment and the segment measuring 5 units will be a right angle (90°).
We can use Pythagoras' Theorem to check if the triangle is a right triangle.
Pythagoras’ Theorem: [tex]a^2+b^2=c^2[/tex]
(where a and b are the legs, and c is the hypotenuse, of a right triangle)
Therefore, the legs are the line segments measuring 4 and 5, and the hypotenuse is the line segment measuring 6 units.
Substituting the values for the legs into the formula:
[tex]\implies 4^2+5^2=c^2[/tex]
[tex]\implies 16+25=c^2[/tex]
[tex]\implies 41=c^2[/tex]
[tex]\implies c=\sqrt{41}[/tex]
Therefore, as the hypotenuse of the triangle is not √41, the triangle is not a right triangle, and therefore line m is not a tangent line to circle B.
