Which fractions are equivalent to 0.63 repeating?
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Work Shown:
[tex]\text{x} = 0.\overline{63}[/tex]
x = 0.63636363...
100x = 63.63636363...
100x - x = (63.63636363...) - (0.63636363...)
99x = 63
x = 63/99
x = (7*9)/(11*9)
x = 7/11
This table shows a few fractions equivalent to 7/11
[tex]\begin{array}{|c|c|} \cline{1-2}\text{Multiply top} & \\ \text{and bottom by} & \text{Equivalent fraction}\\\cline{1-2}2 & 14/22\\\cline{1-2}3 & \boldsymbol{21/33}\\\cline{1-2}4 & \boldsymbol{28/44}\\\cline{1-2}5 & 35/55\\\cline{1-2}6 & 42/66\\\cline{1-2}\end{array}[/tex]
The terms in bold are the two answers
In other words, 7/11 = 21/33 when multiplying top and bottom by 3.
Also, 7/11 = 28/44 when multiplying top and bottom by 4.
To confirm those answers, use a calculator to find that
7/11 = 0.636363...
21/33 = 0.636363...
28/44 = 0.636363...
To rule out the non-answers, use the calculator to find that
14/21 = 0.667 approximately
7/12 = 0.5833 approximately
A pool's diving platform is 10 m above the water's surface. The
bottom of the pool is at -5 m, relative to the surface of the
water. What is the distance between the diving platform and
the bottom of the pool?
need help, please and thank you
The length of the chord of the circle CD is 3.2.
What is a chord of the circle?A chord of a circle is a section of a straight line whose ends both fall on an arc of a circle. A secant line, often known as secant, is a chord's infinite line extension.
Given that the vertical length from the centre to the chord is 2.1 and the length up to the circle is 1.7.
Radius = 1.7 +2.4 = 4.1.
The chord length will be calculated as,
CD = √(4.1² - 2.4²)
CD = √(16.81 - 5.76)
CD = 3.2
Therefore, the length of the chord of the circle CD is 3.2.
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hi i was wondering if somebody can help me with this question. Given the inequality 4x ≤ 28, determine the value of x.
S:{7}
S:{9}
S:{12}
S:{38}
Answer:
Step-by-step explanation:
OK:
1. Isolate the x on the left side of inequality. Always remember if a number or variable crosses inequality, it becomes opposite!
4x ≤28
x ≤28/4
x ≤7
2. Double Check!
4*7 ≤28
28 ≤28 TRUE
x=7(s) or Choice A
1. (5x10^-4)x(3x10^-5) in standard form
2. (2.8x10^9) divided by (7x10^5) in standard form
3. (2x10^-14) divided by (4x10^-6) in standard form
the given numbers in standard form can be expressed as :
1. 1.5 × [tex]10^-10[/tex]
2. 4 × [tex]10^1 ^3[/tex]
3. 5 × [tex]10^-^2^1[/tex]
What do you mean by standard form ?Standard form refers to any number that can be expressed as a decimal number and falls within the range of 1.0 and 10.0 when multiplied by a power of 10. The standard form of 123,000,000 is 1.23 108 because, if you look closely, 1.23 is a decimal number between 1.0 and 10.0.
1. The given numbers are (5x10^-4)x(3x10^-5)
On multiplying the natural numbers first we get :
15 × [tex]10^{-9}[/tex]
1.5 × [tex]10^-10[/tex]
2. The given numbers are (2.8x10^9) and (7x10^5)
on dividing them we get
0.4 ×[tex]10^1 ^4[/tex]
4 × [tex]10^- ^1[/tex] ×[tex]10^1 ^4[/tex]
4 × [tex]10^1 ^3[/tex]
3. The given numbers are (2x10^-14) divided by (4x10^-6)
Thus after dividing the natural numbers we will get
0.5 ×[tex]10^- ^2 ^0[/tex]
On further simplifying we get
5 × [tex]10^ -^1[/tex] ×[tex]10^- ^2 ^0[/tex]
5 × [tex]10^-^2^1[/tex]
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Calvin thinks that only fractions with a denominator of 2, 4, 5, 10 and 20 will
change into terminating decimals. See if he is correct by converting every unit
fraction from ½ up to 1/25 into a decimal using your calculator. Try to explain your
findings
Answer: Calvin is incorrect because as you can see from my table, when we have the fraction ⅛ we get a terminating decimal proving that he is wrong.
Step 1: Create a table that shows the unit fraction and the decimal of each (the r stands for repeating, and ra stands for random numbers). To convert the unit fraction to a decimal, simply type it in your calculator, but use the division sign instead of the fraction bar. I stopped my table at ⅛ since that is where we find our answer, but you can keep going. My table is attached.
Step 2: Formulate a well thought out explanation of why he is wrong. Example: My answer above.
Which is greater -2/5 or -3/8 ?
Answer:-2/5
Step-by-step explanation: due to them being negative we are using the simple thing of which number is closer to zero. -2/5 is closer which means that is it greater. -2/5 would be ahead on number line if you need a visualization
Answer:
-3/8
Step-by-step explanation:
1) Work out the options you are given
-2/5 = -0.4-3/8 = -0.3752) Find which one is greater
As the numbers are decimal the 'seemingly greater number' might actually be the smaller one.
To find out which decimal is greater you can easily plot them into a number line.
The number that is further to the left is smaller and the number closer to the right is higher!
If we were to plot the numbers one a number line the -0.375 would be closer to the right meaning it is greater.
HINTS:
To make it easier to divide minus numbers, at first completely forget about the minus (you can plug it back in at the end).
For example, if you were given -2/5 get rid of the minus to get 2/5 and from this we can easily figure out 2 ÷ 5 which would give us 0.4.
At the point where you have your final number you can add the - back in making it -0.4
Hope this helps, have a great day!
Alice changes size several times. The ratio of her orginal height to her second height is 24 to 5. The ratio of her second height ot he rthird height is 1 to 12. The ratio of her orginal height to her fourth height is 16 to 1. The tallest of these four heights is 10 feet. What is her shortest height?
Answer:
3 inches
Step-by-step explanation:
Let's call the heights H1 thru H4.
So we have
H1/H2 = 24/5
H2/H3 = 1/12
Therefore if we multiply these, we have
H1/H3 = 2/5
Finally we are given
H1/H4 = 16/1.
By logic we can see that H3 is the tallest.
Thus if H3 = 10 feet, H1 = 4 feet
And from that,
H2 = 1/12 (10 feet) = 5/6 feet = 10 inches
and finally
H4 = 1/16(H1) = 1/16(4 feet) = 1/4 foot =
3 inches
Answer:
3 inches
Step-by-step explanation:
Let's call the heights H1 - H4
Here, we have
H1/H2 = 24/5
H2/H3 = 1/12
And so, we have
H1/H3 = 2/5
Finally
H1/H4 = 16/1.
Thus if H3 = 10 feet, H1 = 4 feet
And from that,
H2 = 1/12 (10 feet) = 5/6 feet = 10 inches
And last,
H4 = 1/16(H1) = 1/16(4 feet) = 1/4 foot = 3 inches
a tunnel is constructed with a semielliptical arch. the width of the tunnel is 60 feet, and the maximum height at the center of the tunnel is 25 feet. what is the height of the tunnel 5 feet from the edge? round your answer to the hundredths place.
As a result, the tunnel is 13.83 feet high, 5 feet from the edge.
An ellipse is an oval curve on a plane that contains two fixed points called foci. The sum of the distances between the two foci from each point on the ellipse is constant at all points.
Since the tunnel has an arch that is semi-elliptical, we can put the ellipse's center at the center of its 60-foot width.
What is an ellipse?
An ellipse is a two-dimensional shape that is defined by its axes in geometry. When a plane intersects a cone at an angle to its base, it creates an ellipse. It focuses on two things. For each point in the curve, the sum of the two distances to the focal point remains constant.
What are an ellipse and an example?
An ellipse is the locus of points whose sum of their distances from its two foci is constant and has an eccentricity of less than one. The two-dimensional egg shape and the running tracking in a sports stadium are simple examples of the ellipse in our everyday lives.
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The cost of endless chicken wings at Restaurant X is $4. The cost of chicken wings at Restaurant Z is 20 cent per wing plus a $1.60 charge for sauce. The total cost, c, of n chicken wings at either restaurant can be represented by an equation. Write and graph a system to find how many chicken wings you have to have for the cost to be the same at both restaurants.
Answer:
Step-by-step explanation:
Equation: $4 = 0.2x + $1.60
1. Subtract $1.60 from both sides to get $2.4 = 0.2x
2. Divide both sides by 0.2 to get the value of x. 12 = x.
ANSWER: You need to buy 12 chicken wings at restaurant Z for the cost to be the same. Hope this helped
If shown,
AB
and
CD
are straight lines. Find x in each case.
WILL MARK BRAINLISIT
Answer:
4x+x+x+90=360
6x+90=360
6x=270
x=45
good luck!
4x+x+x+90=360
6x+90=360
6x=270
x=45
What is the classification for this polynomial?
-6uv - 3u - 2v.
Click on the correct answer.
monomial
binomial
trinomial
Eve play baketball. She make 4 free throw for every 3 free throw that he mie. If he mied 27 free throw at her lat practice, how many free throw did he make?
Using this probability, he would have to make 42.18% or 42 free throws, thus avoiding 27 free throws.
Averaged over 3 out of 4 free throws, the probability of a successful free throw is 0.75 and the probability of a missed free throw is 0.25.
There are several ways to score 3 of the 4 free throws.
Miss Hit Hit Hit
Hit Miss Hit Hit
Hit Hit Hit Hit Hit
So to calculate this probability we need to multiply the probability of each shot. Because when it comes to multiplication, the order of multiplication doesn't matter, it's just the numbers that matter, only her 4-day probability that the shot will be taken. be the same.
So 0.75 x 0.75 x 0.75 x 0.25 = 0.10546875
Since there are 4 ways to take a 3/4 shot, we have to multiply this by 4, so 4 x 0.10546875 = 0.4218 = 42.18% shot will be taken.
So 0.75 x 0.75 x 0.75 x 0.25 = 0.10546875
Since there are 4 ways to take a 3/4 shot, we have to multiply this by 4, so 4 x 0.10546875 = 0.4218 = 42.18%.
Hence, Eve had to make 42 free throws for getting 27 throws are mied.
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Write the correct function and online represented in the table below
HELP ASAP
Answer:
y = 5x -2
Step-by-step explanation:
The 5 is the slope. It is the change in y over the change in x. As the x changes by 1, the y changes by 5.
The -2 is the y intercept. This is at the point (0,-2) The -2 is the y intercept.
What is the slope of the line?
Write the slope as a fraction.
Answer: the slope is 1/4
Step-by-step explanation:
(2,0.5) (4,1)
Use the formula for finding the slope:
[tex]\boxed {The\ slope=\frac{y_2-y_1}{x_2-x_1} }[/tex]
[tex]x_1=2\ \ \ \ x_2=4\ \ \ \ y_1=0.5\ \ \ \ y_2=1\\[/tex]
Hence,
[tex]\displaystyle\\The\ slope=\frac{1-0.5}{4-2}\\\\The\ slope=\frac{0.5}{2}\\\\The\ slope=0.25\\\\The\ slope=\frac{1}{4}[/tex]
1. Is the game fair? We are flipping a coin twice. The first player wins if we get 2 tails, and the second player wins if we get 1 head and 1 tail. 2. Is the game fair? we are tossing two dice and the first player wins if the sum on the dice is 9 and the second player wins if the sum on the dice is 5.
Bob’s employer covers 23% of his family’s annual health insurance premium. The balance of the premium is deducted in equal amounts from bob’s paycheck 26 times over the calendar year. If $185. 30 is withheld from each of bob’s paychecks, what is his family’s annual health insurance premium? a. $805. 65 b. $4,817. 80 c. $6,256. 88 d. $20,946. 96.
If $185.30 is withheld from each of Bob's paychecks, then his family's annual health insurance premium is $4817.80.
From the given information,
It was stated that the balance of the premium is deducted in equal amounts from Bob’s paycheck 26 times over the calendar year and $185.30 is withheld from each of Bob’s paychecks.
Therefore, the family’s annual health insurance premium will be calculated :
= $185.30 × 26
= $4,817.80
In conclusion, the correct option is $4,817.80.
therefore, his family's annual health insurance premium is $4817.80
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I WILL GIVE 30 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS
Answer:
third and last, can't promise that's right
What is the end behavior of the function f(x) = -5x³ + 2x² - 4x+6?
O down to the left, up to the right
O up to the left, down to the right
O up to the left, up to the right
Odown to the left, down to the right
Answer:
O up to the left, down to the right
Step-by-step explanation:
The function in your question will do the same thing that
f(x) = -x³ does.
Actually, even simpler, it will have the same end behavior as
f(x) = -x
which is just a line with negative slope, going down from left to right. The way end behavior is described: up to the left and down to the right.
In fact, all the functions with odd power as the biggest exponent will have the same end behavior.
(If the highest exponent is even, it acts like a parabola up+up or down+down.)
Zoe is driving on a long road trip. She currently has 13 gallons of gas in her car. Each
hour that she drives, her car uses up 0.75 gallons of gas. How much gas would be in
the tank after driving for 2 hours? How much gas would be left after t hours?
Gas left after 2 hours:
Gas left after t hours:
Gas left after 2 hours is 1.5 gallons and the function that represent the gas which is left in the tank after driving for t hours is 13 - 0.75t gallons.
Zoe is driving on a long road trip.
The amount of gas she has in her car = 13 gallons.
It is given that each hour that she drives, functions her car uses up 0.75 gallons of gas.
So, Gas used in the car for one hour = 0.75 gallons
Gas used in the car for two hours = 0.75*2 = 1.5 gallons
Hence, Gas left in the tank after driving for 2 hours = 13 - 1.5 = 11.5 gallons.
Now,functions
Gas used in the car for t hours = 0.75*t = 0.75t gallons
Gas left in the tank after driving for t hours = 13 - 0.75t gallons.
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5.
The area of a circle is 40 mm²,
determine the circumference.
Answer: the formula to find circumference is C=2times pie which is 3.14 times the radius. Radius is half of the diameter which in this case I believe would be 20 times that by 3.14 and get 62.8 then times that by two which gives you the answer of 125.6
Step-by-step explanation: correct me if I’m wrong
- Pls help due tomorrow !
Graph DFG with vertices D(2,8), F(1,2) and G(4,6) and image after the glide reflection with a translation along <3,3> and a reflection in the y=x
The vertices of the figure after geometric translations are (11, 5), (5, 4), and (9, 7).
What is geometric transformation?It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.
It is given that:
The vertices are D(2,8), F(1,2) and G(4,6).
Points become after reflection:
D'(8, 2), F'(2, 1), G'(6, 4)
After applying translation:
D''(8+3, 2+3) = (11, 5)
F''(2+3, 1+3) = (5, 4)
G''(6+3, 4+3) = (9, 7)
Thus, the vertices of the figure after geometric translations are (11, 5), (5, 4), and (9, 7).
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ASAP WILL GIVE 100 PTS
The line segment graphed on the coordinate plane represents a roof with several triangular supports. Each support is triangular, with a horizontal board that starts on the edge of the roof and connects with a vertical board that ends on the edge of the roof as shown.
(2,1)(6,3)
Does each support have the same starting coordinates? Explain.
Does each support have the same ending coordinates? Explain.
Does each support have the same change in x-values? Explain.
Does each support have the same change in y-values? Explain.
Does each support have the same ratio of change in y-values over change in x-values? Explain.
Answer:a) No, the first support starts at (0,0) and the 2nd one starts at (2,1)
b) No, first one ends at (2,1) 2nd one ends at (6,3)
c) No, 2 ( 0 to 2) does not equal 4 ( 2 to 6)
d) No, 1 ( 0 to 1) does not equal 2 (1 to 3)
e) Yes, this is the slope of the diagonal line: 1/2
MARK BRAINILEST I GOT SO CONFUSED BUT I UNDERSTAND NOW.... Peace Out?
Step-by-step explanation:
a student earns Php 280.00 for a 5 hour shift on his summer job. The amount of money he earns varies directly to the number of hours worked. find the constant k, and the amount of money , he will earn for an 8-hour shift
Answer:
Below
Step-by-step explanation:
k = 280 / 5 = Php 56 /hr
money earned = k x where x = # of hours
For 8 hours : money earned = 56 * 8 = Php 448
The owner of a bookstore buys used books from customers for $1. 50 each. The owner then resells the used books for 400% of the amount he paid for them. What is the price of a used book in this bookstore?.
Answer:
$7.50
Step-by-step explanation:
PLEASE HELP ME
Given (x – 7)2 = 36, select the values of x.
x = 13
x = 1
x = –29
x = 42
Answer:
The correct answer is C. -29.
Step-by-step explanation:
insert -29 for x,
subtract -7 from -29,
then multiply by 2 to get your answer.
what is 3/4x(5/6-4/23)=43
Answer: 86 86/91 or 7912/91
Work: So you multiply 3/4x by what is in the parenthesis like this: 3/4x*5/6-3/4x*4/23. and you get 5/8x-3/23x=43. And then you simplify to get 91/184x=43 then u multiply both sides by 184 to get rid of the fraction. and you get 91x=7912. then you divide both sides by 91 and you get x=7912/91 or 86 86/91
11/12+7/12 in simplest form
Answer:
The answer to your question could be either 3/2 (improper fraction), 1.5 (decimal), or 1 1/2 (mixed fraction).
Step-by-step explanation:
11/12 + 7/12 = 18/12
18/12 = 9/6
9/6 = 3/2
Without calculating, order the quotients smallest to largest.
The order of the quotient from smallest to largest is given as follows:
42.6/70, 426/70, 42.6/0.07, 42.6/0.07.
What is a quotient?A quotient is given by the division of two terms a and b, that is:
a / b.
From this, we have that the dividend a and divisor b are inverse proportional, that is:
A large quotient is achieved when a is large and b is small.A small quotient is achieved when a is small and b is large.There are three divisions with the same term a, hence they are ordered, from smallest to largest, as follows:
42.6/70, 42.6/0.07, 42.6/0.07.
(the smallest the value of b, the largest the quotient).
The final quotient is:
426/70.
Dividing by 10 to have an equivalent value of a, we have that:
426/70 = 42.6/7.
Which is the second largest value of b, hence the second smallest quotient.
Missing InformationThe problem is given by the image shown at the end of the answer.
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