When you divide two fractions is the quotient always smaller than the dividend
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If a perimeter of a room is 78 feet, what is the area of the floor of the room?
There is a rectangular diagram with the longer written "2w+3"and shorter side has "w" written.
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Pls help me with grade 2 ecuation
2x square-5x+2=0
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x² - 5/2 x + 1 = 0
now we're looking for two numbers that, when multiplied, give 1, and when added, give -5/2. Those numbers are -2 and -1/2 (this is the hard part, it is kind of trial and error. Usually you want to do this only on integers).
So we can factor as:
(x-2)(x-1/2) = 0
The solutions are x=2 or x=1/2
The solutions are x=2 or x=1/2
what is the constant term of the expression 90x-20
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In this case its -20
Shelley's score = 90x
Terrence's score = 90x-20
Difference between them is (90x - 20 - 90x) = -20
The constant term represents the difference between Shelly's and Terrence's scores.
On the album 1989 by Taylor swift, Blank space is 12 seconds longer than shake it off. If the combined time of the two songs is 7 minutes and 30 seconds, how long is Shake It Off? Give your answer in minutes and seconds.
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Source: Wikipedia
Answer:
Givens:
Blank Space is 12 sec longer than Shake It Off.The duration combined is 7 minutes and 30 seconds, which is 420 seconds.Lest's call [tex]B[/tex] Blank Space and [tex]S[/tex] Shake it Off, the relations would be
[tex]B=12+S\\B+S=420[/tex]
Now, we replace the first equation into the second equation and solve for [tex]S[/tex]:
[tex]12+S+S=420\\2S=420-12\\2S=408\\S=\frac{408}{2}=204[/tex]
Then, we replace this value into the first equation
[tex]B=12+S\\B=12+204=216[/tex]
This means that Shake It Off is 204 seconds long and Blank Space is 216 seconds long.
Therefore, if we express in minutes and seconds, we would have:[tex]204sec\frac{1min}{60sec}=3.4min=3 \ min \ and \ 24 sec[/tex]
[tex]216sec\frac{1min}{60sec}=3.6 min=3 \ min \ and \ 36 sec[/tex]
Yuna missed 5 points out of 100 on her math test.What decimal number reprents the part of her math test that she answered correctly
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Answer:
0.05
Step-by-step explanation:
Given function:
5 of 100find the decimal number1.00=100%=100
this means..
5 of 100=0.05.
In 1990, one city’s population was 98,064. In 2000, the same city’s population increased by 13,434. In 2010, the city’s population increased by another 7,892.
What was the city's population in 2010?
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write 2 numbers that fit each description.if there is no such number write none.
1) negative integer
2) negative rational number that is not an integer
3) negative irrational number
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2) -1/2, -3/4 ( any negative number that isn’t a repeating decimal, or whole number)
3) square root of -3, square root of 2 (any negative number with a crazy, repeating, goes on forever decimal)
Is sarah is 24 years younger than her mom and if the sum of their age is 68 how old is sarah?
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Which are solutions to y=x-4? Choose all correct answers. (4,0), (3,-1), (6,3), (2,-4)
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The coordinates (4, 0) and (3, -1) represents the solution of the function f(x).
We have a function -
y = f(x) = x - 4
We have to identify the possible solutions of this function from the ones mentioned.
What do you understand by the Solution of a function -y = f(x)?The solution of the function is the possible values of x (say a) for which f(a) equals to y.
According to the question -
y = f(x) = x - 4
Case 1 : P(4, 0)
0 = 4 - 4 = 0
P(4, 0) represents a solution
Case 2 : P(3, -1)
-1 = 3 - 4 = -1
P(3, -1) represents a solution
Case 3 : P(6, 3)
3 = 6 - 4 ≠ 2
P(6, 3) does not represents a solution
Case 4 : P(2, -4)
-4 = 2 - 4 ≠ -2
P(2, -4) does not represents a solution
Hence, the coordinates (4, 0) and (3, -1) represents the solution of the function f(x).
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The cover of a photo album has an area of 97.5 square inches. Find its area in square centimeters.(1cm =
0.3937 inches)
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Answer: [tex]629.031 \text{ square centimeters}[/tex]
Step-by-step explanation:
Given : The cover of a photo album has an area of 97.5 square inches.
It is given that 1 cm = 0.3937 inches
By unitary method , 1 inch=[tex]\dfrac{1}{0.3937}=2.54000508001\approx2.54 \text{ cm}[/tex]
Then, 97.5 square inches =[tex]97.5\times2.54\times2.54[/tex]
[tex]\\\\=629.031\approx629.031 \text{ square centimeters}[/tex]
Hence, The required answer is[tex]629.031 \text{ square centimeters}[/tex].
find the mean of the integers
-16,-27,21,-19,14,-3
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you should get -30
and divide by a number of numbers, there are 6
so -30/6 is -5
Lori had $126.89 in her bank account. She deposited $21.49 into it and then wrote a check for her car repairs for $156.61. What was the ending balance in her account?
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The ending balance would be (-8.23).
What is unitary Method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Given:
Lori had $126.89 in her bank account.
She deposited $21.49 into it and then wrote a check for her car repairs for $156.61.
After deposit her balance would be
=126.89 + 21.49
=148.38
and, the balance after paying for the repair
=148.38 - 156.61
=$ (-8.23)
Hence, the ending balance would be (-8.23).
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Write 36 as a product of its prime factors write the factors in order, from smallest to largest
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80 divided in a ratio of 3:2
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__________________________________________Explanation:
__________________________________(3*80) divided by (3+2) = 240 ÷ 5 = 48 ;
__________________________________ (2*80) divided by (3+2) = 160 ÷ 5 = 32 ;
__________________________________
So; the answer is: " 48:32 " .
__________________________________
writing an inequality for x that would give this rectangle a perimeter of at least 300 ft.
Length: 3ft
width formula: x+5ft
please show steps!
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Answer:
142≤ x.
Step-by-step explanation:
Given : rectangle a perimeter of at least 300 ft and Length: 3ft and width formula: x+5ft.
To find : Writing an inequality for x that would give this rectangle a perimeter.
Solution : We have given length = 3 ft.
Width = x + 5 ft .
Perimeter = 300 feet .
Perimeter = 2 ( length + width ) .
Plugging the values and greater than equal to sign for at least.
300 ≤ 2( 3 + x +5).
300≤ 2( 8 +x) .
300≤ 16 + 2x
On subtracting both sides by 16.
300 -16 ≤ 2x .
284 ≤ 2x.
On dividing both sides by 2.
142≤ x.
We can say x is at least 142.
Therefore, 142≤ x.
What is the ratio 45:75 simplified
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Lucy's final exam has true/false questions, worth 2 points each, and multiple choice questions, worth 3 points each. Let x be the number of true/false questions she gets correct, and let y be the number of multiple choice questions she gets correct. She needs more than 90 points on the exam to get an A in the class. Using the values and variables given, write an inequality describing this.
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Multiple choice questions = 3 points each(y).
She needs more than (>) 90 points.
2x + 3y > 90
Use the term LEG.
L - Least
E-equal
G- Greater
Can someone help pleases
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Help please!
What type of equation will best fit the data below?
Linear
Quadratic
Exponential
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What type of equation will best fit the data below?
The given data represents a parabolic curve, that means it is a quadratic equation.
Explanation:
A parabola is defined as a curve with all the points at an equal distance from the focus and the straight line. While calculating the whole parabola, make sure that the equation for the given parabola must be in the standard quadratic form f(x) = ax² + bx + c, where "a" is not equal to zero.
Kyra is particapatiog ina fundraiser walk a thon she walks 2 miles in 30 minutes if she continues to walk at the same rate determine how many minutes it will take her to walk 7 miles use a double line diagram to support your answer. PLEASE HELP ME I LOVE U IF U HELP ME
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PLEASE HELP!
A half of a class and a half of a student got A on a test. If yet another student got an A, then two-thirds of the class would have an A for the test! How many students are there in that class?
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1/2x - 2/3x = -1
-x/6 = -1
x = 6
Hope this helps!
6 students are there in a class.
What is an example of a word problem?Word problems normally include mathematical modeling questions, in which records and statistics approximately a certain system is given and a pupil is needed to broaden a model. as instance: Jane had $5.00, then spent $2.00. How lots does she have now?
What are word problems referred to as?In computational mathematics, word trouble is the hassle of finding out whether given expressions are equivalent with admire to a hard and fast of rewriting identities. A prototypical instance is the word problem for corporations, but there are many other instances as nicely.
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joseph tweets 13 times a day. define each variable and write an algebraic expression to describe the number of posts after any given number of days
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Let x = how many days have passed.
y = 13x.
If you were to plot this as a line, your first and second points would be (1,13) and (2,26), respectively.
for each pair of numbers identify which number is farther from positive 1 explain your reasoning
a. -7 or +3
b. -10 or +7
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in a local coed softball keague, male to female ratio is 6:6. if there is 160 players in the league, how many are female?
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joshua swims 25 meters in 1 minute.Draw a graph of meters swam versus time.Find the value of the slope and interpret it in words
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Hope this helps you.
Answer:
Given,
The number of meters covered by Joshua in 1 minute = 25 meters,
So, the number of meters covered by him/her in x minutes, ( say y ) = 25x minutes,
⇒ y = 25x,
Which is the equation of line passes through origin,
If x = 1, y = 25,
If x = 2, y = 50,
So, by joining the points (1, 25) and (2,50) we will get the graph,
∵ Slope of a line y = mx + c is m,
By comparing,
The slope of the above line is 25 that shows the rate of change in meters per minute.
Note : x ≥ 0, because number of minutes can not be negative.
what is the answer to 38.22÷2.6 and how would you show your work
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What are factors and can you give me an example of an expression and it's factors
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8
x
8x8, x, the factors are
8
88 and
x
xx.
In the term
Ex: 7 is a factor of 21 since 7×3=21
Grace sold 5/8 of her stamp collection. What is this amount as a decimal?
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Evaluate for x = 2.
(12x + 8)
4
A) 4
B) 5
C) 6
D) 8
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= [12(2) + 8] / 4
= (24 + 8)/4
= 32/4
= 8
answer
D) 8
D) 8
A school has 625 students and 325 of them are girls what fraction of the students are girls write your answer in simplest form
A. 13/25
B. 1/2
C. 65/125
D. 20/35
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In total your answer is A. 13/25
I hope this helped and please let me know if I was correct or not. :D