Grandma has 3 1 /4 pounds of flour. She uses 1 2 /3 pounds of flour to make rolls for Thanksgiving dinner. How much flour does Grandma have left over?
Step-by-step explanation:
[tex]1 - (\frac{1}{4} + \frac{2}{3}) \\ = 1 - ( \frac{3 + 8}{12}) \\ = 1 - ( \frac{11}{12} ) \\ = \frac{1}{12} [/tex]
Answer:
[tex]1 \frac{7}{12}\; \sf pounds[/tex]
Step-by-step explanation:
To find the amount of flour Grandma has left over, subtract the amount she used to make rolls from the original amount.
Given calculation:
[tex]3 \frac{1}{4}-1 \frac{2}{3}[/tex]
Convert the mixed numbers into improper fractions by multiplying the whole number by the denominator of the fraction, adding this to the numerator of the fraction, and placing the answer over the denominator:
[tex]\implies \dfrac{3 \times 4+1}{4}-\dfrac{1 \times 3+2}{3}[/tex]
[tex]\implies \dfrac{13}{4}-\dfrac{5}{3}[/tex]
Change both fractions into equivalent fractions so both fractions have the same denominator:
[tex]\implies \dfrac{13 \times 3}{4\times 3}-\dfrac{5 \times 4}{3 \times 4}[/tex]
[tex]\implies \dfrac{39}{12}-\dfrac{20}{12}[/tex]
[tex]\textsf{Apply the fraction rule} \quad \dfrac{a}{c}-\dfrac{b}{c}=\dfrac{a-b}{c}:[/tex]
[tex]\implies \dfrac{39}{12}-\dfrac{20}{12}=\dfrac{39-20}{12}=\dfrac{19}{12}[/tex]
Divide the numerator by the denominator:
[tex]\implies 19 \div 12 = 1 \; \sf remainder \; 7[/tex]
The solution as a mixed number is the whole number and the remainder divided by the denominator:
[tex]\implies 1 \frac{7}{12}[/tex]
How many ounces of a 15% alcohol solution must be mixed with 16 ounces of a 20% alcohol solution to make a 17% alcohol solution?
24 ounces of a 15% alcohol solution must be mixed with 16 ounces of a 20% alcohol solution to make a 17% alcohol solution.
Let x ounces of 15% alcohol must be mixed with the 16 ounces of 20% alcohol.
The amount of alcohol in 16 ounces solution is = (20/100) * 16 ounces
= 3.2 ounces
The amount of alcohol in x ounces solution is = (15/100) * x
= 0.15x ounces
Total amount of alcohol is = (16 + x) ounces
According to the problem we get an equation,
(3.2 + 0.15x)/(16 + x) = 17/100
100(3.2 + 0.15x) = 17(16 + x)
320 + 15x = 272 + 17x
320 - 272 = 17x - 15x
48 = 2x
x = 48/2
x = 24
Therefore, 24 ounces of a 15% alcohol solution must be mixed with 16 ounces of a 20% alcohol solution to make a 17% alcohol solution.
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[tex]\frac{2}{3} + \frac{4}{6}[/tex]
Answer:
[tex]\huge\boxed{\sf 1 \frac{1}{3}}[/tex]
Step-by-step explanation:
Given expression:[tex]\displaystyle =\frac{2}{3} + \frac{4}{6} \\\\Equalize \ the \ denominator \\\\= \frac{2 \times 2}{3 \times 2} + \frac{4}{6} \\\\= \frac{4}{6} + \frac{4}{6} \\\\Add \\\\=\frac{4+4}{6} \\\\= \frac{8}{6} \\\\Simplify\\\\= \frac{4}{3} \\\\Convert \ into \ mixed \ fraction\\\\= 1 \frac{1}{3} \\\\\rule[225]{225}{2}[/tex]
A formula 1 car travels at 50 m/s. What is this in km/h?
Answer:
50m/s = (50 ÷ 1000 × 60 × 60)km/h
= 180km/h
Lora's phone records data for screen time each week. Last week, she used 920 minutes. This week, Lora used 690 screen time minutes on the phone. Calculate the percent decrease in screen time this week. 25% 33% 40% 75%
Answer:
75%
Step-by-step explanation:
Which of the following is equivalent 57/13
7 5/13
5 4/13
4 7/13
4 5/13
Answer:
D. 4 5/13
Step-by-step explanation:
For every time we divide by 13, we consider that a whole number. The whole number is the number on the outside of the fraction. It is equal to 13/13 in this case. So, we can divide 57 by 13, 4 times and have 5/13 left over. Therefore, the answer is D. 4 5/13! :)
a seceret agent sent a messinger to deliver a package to a certain location. The messanger posed as a regular person out for a walk with a secret pacage tucked securely in a hidden pocket
Answer:
Don't be a secret agent. You never know what's going to happen.
Step-by-step explanation:
Until he slipped on a puddle of goose poop. His hat flew off, revealing a shiny, bald head, which he immediately grabbed his scarf to cover. In his rush, he failed to notice a goose prodding at the secret package in his pocket. With a flurry of wingbeats, the goose flew off with the secret package in its beak. The secret agent suddenly realized that the goose was a spy in disguise from a rival organization.
Find the range of values for which x^2-5x+6<0
Answer: 2 < x < 3
Step-by-step explanation:
Answer:
Step-by-step explanation:
the answer=x<6 and x>-1Solve the following inequality:
Answer:
[tex]r \geqslant - 16[/tex]
Step-by-step explanation:
[tex] \frac{ - 10 + r}{2} \geqslant - 13[/tex]
multiply both sides by 2:
[tex] - 10 + r \geqslant - 26[/tex]
add 10 on both sides:
[tex]r \geqslant - 16[/tex]
Answer:
[tex]r \ge -16[/tex]
Step-by-step explanation:
To solve any equation/inequality:
1. get the variable to show up exactly once
2. isolate it
[tex]\frac{-10+r}{2} \ge -13[/tex]
Multiply both sides by 2 and simplify (note that we're multiplying by a positive, not a negative, so the direction of the inequality stays the same, whereas multiplying or dividing by a negative would have changed the direction of the inequality)
[tex]\frac{-10+r}{2} *2 \ge -13 *2[/tex]
[tex]-10+r \ge -26[/tex]
Add 10 to both sides, and simplify
[tex](-10+r)+10 \ge (-26)+10[/tex]
[tex]r \ge -16[/tex]
I was told how to solve it, but I think I did it wrong so could someone help please?
Co-interior angles are the two angles that occur between two parallel lines intersected by a transversal.
The sum of the co-interior angles is 180 degrees.
The value of x is 15.
What are corresponding angles?The angles that are in the same position on two parallel lines intersected by a transversal line on the parallel lines.
Corresponding angles are equal.
We have,
Co-interior angles are the two angles that occur between two parallel lines intersected by a transversal.
The sum of the co-interior angles is 180 degrees.
(8x + 9)° and 51° are co-interior angles.
So,
8x + 9 + 51 = 180
8x = 180 - 60
8x = 120
x = 120/8
x = 15
Thus,
The value of x is 15.
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Calculator What is the approximate volume of the sphere? Use 3.14 to approximate pi and round to the nearest hundredth if necessary. 36 in³ 84.78 in³ O 113.04 in³ O339.12 in 3 in
The volume of the sphere can be calculated using the formula V = 4/3πr³
What is a sphere?A sphere is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. A sphere is the set of points that are all at the same distance r from a given point in three-dimensional space. It is a perfectly-round 3D shape with one continuous curved surface
We have a sphere.
Since the dimensions of a sphere are not given, we will assume it. Assume the radius of sphere be [r]. Then the approximate value of the volume of the sphere can be calculated using the formula -
V = 4/3πr³
Where -
[r] is the radius of sphere
Therefore, the volume of the sphere can be calculated using the formula V = 4/3πr³
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If two lines are exactly the same, then the system has infinite solutions.
False
True
Answer: true
Step-by-step explanation:
If you invest $10,000 today at 10% interest how much will you have in 10 years
Answer:
$25940
Step-by-step explanation:
Future value of an Investment at r% for n years is given by:
Future Value = Initial Investment (1 + r/100)n
If r = 10% and n = 10 years
Future Value = 10000(1 + 10/100)10
= 10000(1.1)10
= 10000(2.594)
= $ 25940
Hence the required value is $ 25940.
13-3p=-5(3+2p) then check equation
The answer is : p = -4
the following are the steps to solve it::
13 - 3p = -5 (3 + 2p)
calculate the area of the right hand first by multiplying the number 5 by the number in brackets
13 - 3p = -15 - 10p
move everything that contains p to the left side
13 - 3p + 10p = - 15
count all containing p
13 + 7p = -15
move the ones that don't contain p to the right
7p = -15 - 13
count on the right side
7p = - 28
p = -4
Please help me answer this question
Step-by-step explanation:
We know rhat
[tex] \sin( \frac{x}{2} ) = \sqrt{ \frac{1 - \cos(x) }{2} } [/tex]
whenever x lies from 90 to 180.
If
[tex] \csc(x) = 9[/tex]
Using Reciprocal Identities
[tex] \sin(x) = \frac{1}{9} [/tex]
Using Pythagorean Identity,
[tex] \sin {}^{2} (x) + \cos {}^{2} (x) = 1[/tex]
[tex]( \frac{1}{9} ) {}^{2} + \cos {}^{2} (x) = 1[/tex]
[tex] \cos {}^{2} (x) = \frac{80}{81} [/tex]
[tex] \cos(x) = \frac{4 \sqrt{5} }{9} [/tex]
Cosine is negative in when x lies between 90 and 180 so
[tex] \cos(x) = - \frac{4 \sqrt{5} }{9} [/tex]
So
[tex] \sin( \frac{x}{2} ) = \sqrt{ \frac{1 + \frac{4 \sqrt{5} }{9} }{2} } [/tex]
[tex] \sin( \frac{x}{2} ) = \sqrt{ \frac{9 + 4 \sqrt{5} }{18} } [/tex]
For cosine remember
[tex] \cos( \frac{x}{2} ) = \sqrt{ \frac{1 + \cos(x) }{2} } [/tex]
Cosine is negative in second quadrant so
[tex] \cos( \frac{x}{2} ) = - \sqrt{ \frac{1 + \cos(x) }{2} } [/tex]
[tex] \cos( \frac{x}{2} ) = - \sqrt{ \frac{1 - \frac{4 \sqrt{5} }{9} }{2} } [/tex]
[tex] \cos( \frac{x}{2} ) = - \sqrt{ \frac{9 - 4 \sqrt{5} }{18} } [/tex]
For tangent,
[tex] \tan( \frac{x}{2} ) = \frac{ \sin( \frac{x}{2} ) }{ \cos( \frac{x}{2} ) } [/tex]
[tex] \frac{ \sqrt{ \frac{1 - \cos(x) }{2} } }{ \sqrt{ \frac{1 + \cos(x) }{2} } } [/tex]
[tex] = \frac{ \sqrt{1 - \cos(x) } }{ \sqrt{1 + \cos(x) } } [/tex]
Tangent is negative over 90<x<180 so
[tex] - \frac{ \sqrt{1 - \cos(x) } }{ \sqrt{1 + \cos(x) } } [/tex]
[tex] - \sqrt{ \frac{1 + \frac{4 \sqrt{5} }{9} }{1 - \frac{4 \sqrt{5} }{9} } } [/tex]
[tex] - \sqrt{ \frac{ \frac{9 + 4 \sqrt{5} }{9} }{ \frac{9 - 4 \sqrt{5} }{9} } } [/tex]
[tex] - \sqrt{ \frac{9 + 4 \sqrt{5} }{9 - 4 \sqrt{5} } } [/tex]
[tex] - \sqrt{ \frac{1}{(9 - 4 \sqrt{5) {}^{2} } } } [/tex]
[tex] - \frac{1}{9 - 4 \sqrt{5} } [/tex]
so
[tex] \tan( \frac{x}{2} ) = - \frac{1}{ 9 + 4 \sqrt{5} } [/tex]
or
[tex] \tan( \frac{x}{2} ) = - 9 + 4 \sqrt{5} [/tex]
Line p has an equation of y=5/3x-4 Line q includes the point
(-10,-3) and is perpendicular to line p. What is the equation of line q?
The equation of the line q that is perpendicular to line p is y = - 3 / 5 x - 9.
How to find equation of a line?The equation of a line can be represented in slope intercept form as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, p has an equation of y = 5 / 3 x - 4 Line q includes the point (-10,-3) and is perpendicular to line p. The equation of line q can be found as follows:
The product of the slope of perpendicular lines is equals to negative one.
Therefore, let's find the slope of line q.
m₁m₂ = -1
5 / 3m₂ = - 1
m₂ = - 3 / 5
Hence, the equation of line q is y = - 3 / 5x + b.
Let's find the y-intercept using (-10, -3)
-3 = - 3 / 5(-10) + b
-3 = 6 + b
-3 - 6 = b
b = -9
Therefore, the equation of line q is y = - 3 / 5 x - 9
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Do the ratios 1/3 and 2/5 form a proportion?
Using the proportion rule, the ratios 1/3 and 2/5 does not form a proportion.
In the given equation,
We have to check the ratios 1/3 and 2/5 form a proportion or not.
As we know that proportion is a ratio in which both ratios are equal to each other.
So to check whether the given statement is proportion or not we put both equation equal to each other.
So the ratios are 1/3 and 2/5.
Now checking the proportion.
1/3=2/5
Multiply by 15 on both side.
1/3 ×15=2/5 ×15
Simplifying
1×5=2×3
5=6
As we can see that both side is not equal so the given ratio is not proportion.
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1.
2.
3.
Two Truths & One Lie:
Which of the 3 statements below is a lie?
Explain how you made your decision.
x = 2
y = 3
Z=4
(m³)² = m7
(12)X = 126
(45)² = 420
LOL
00
2021
Answer:
1
Step-by-step explanation:
1) substitute z with 4 in the equation
(m^3)^4
2) multiply the index
m^3*4
=m^12
3) m^12≠ m^7
therefore, 1 is a lie
The statements above which is a lie is number 1
Statement 1 :
(m^3)^z = m^7
m^3z = m^7
3z = 7
z = 7/3 (False)
Statement 3 :
(4^5)^z = 4^20
4^5z = 4^20
5z = 20
z = 4 (True)
Statement 2 :
(12^3)^2 = 12^6
(12^y)^x = 12^6
12^6 = 12^6
(True)
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4. The box office receipts show that 728 people attended the
Friday performance of the school musical. There were 45 fewer
people who attended the Saturday performance. How many
people attended the two performances?
A. 1,411
C. 1,501
B. 683
D. 1,456
Answer: People attended the two performances are 683
What makes something common?
A whole number that is a factor of two or more numbers is referred to as a common factor. Example: The common factors of 30 and 20 are 2, 5, and 10. A factor that everyone whole numbers share is 1, or 1.
What is a greatest common factor?
It is the biggest number that two numbers are divisible by.
For example, if you did 12 and 24
The factors of 12 are:
1, 2, 3, 4, 6, 12
The factors of 24 are:
1, 2, 3, 4, 6, 8, 12, and 24
Their greatest common factor would be 12 since, it is the greatest number that each number can be divisible by.
Step-by-step explanation:
Number of people attend Friday event = 728
Number of people attend Saturday event = 728 - 45 = 683
Hence the answer is 683
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What is the nth term rule of the linear sequence below?
-5, -2, 1, 4, 7, ...
Tn
-
The nth term rule of linear sequence is aₙ = aₙ₋₁ + 3
Linear sequence is a sequence of number in order with same difference .or same ratio.
when fixed number is added to any term of a sequence to get next term . That Fixed number is known as common difference.
The sequence in the given question
-5 , -2 , 1 , 4 , 7, . . . .
The first term of sequence : a₁ = -5
The second term : a₂ = -2
Common difference : d = a₂ - a₁
=> d = -2 - (-5)
=> d = -2 + 5
=> d = 3
The nth rule of linear sequence is aₙ = aₙ₋₁ + d
replacing the value of d
aₙ = aₙ₋₁ + 3 is nth rule of the linear sequence.
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2/100 as a fraction a decimal or percent
Answer:
Step-by-step explanation:
Fraction=2/100
Decimal=0.02
Percent=2%
Answer: 0.02 as a decimal and 2%
Step-by-step explanation:
its correct!
19 In 2010, the population of Brazil was about 1.987 x 108 people. The population of Lithuania was about
3.555 x 106 people. What was the total population of Brazil and Lithuania? Write your answer in scientific
notation.
A.
C.
5.542 x 108 people
1.951 x 108 people
B. 2.02255 x 108 people
D.
5.542 x 1014 people
In the scientific notation, the total population of Brazil and Lithuania is 2.02255 x 10⁸
Scientific notation
A method of expressing numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10 is known as Scientific notation.
Given,
In 2010, the population of Brazil was about 1.987 x 10⁸ people. The population of Lithuania was about 3.555 x 10⁶ people.
Here we need to find the total population of Brazil and Lithuania and expression the value in scientific terms.
Here we know that,
Population of Brazil = 1.987 x 10⁸
Population of Lithuania = 3.555 x 10⁶
In order to find the total population, first we have to make the exponent of the two value as equal,
For that we have to rewrite the population of Brazil as,
Population of Brazil = 198.7 x 10⁶
Now, we have to add the two population count in order to find the total population,
=> (198.7 x 10⁶) + (3.555 x 10⁶)
Take the exponent term as common,
=> (198.7 + 3.555) x 10⁶
=> 202.255 x 10⁶
Now, we have to move the two decimal point to simplify this one, then we get,
=> 2.02255 x 10⁸
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Which of the following quadratic expression is not a factorable? X^2-3x-18 , x^2+1, x^2+7x+6 , x^2+5x+6
The Algebraic expression that cannot be factorized is [tex]x^{2}[/tex] + 1
What is an Algebraic expression?An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.).
[tex]x^{2}[/tex] + -3x -18 can be expressed as [tex]x^{2}[/tex] -6x +3x -18 which can be factored as (x -6)(x +3)
Also [tex]x^{2}[/tex] + 7x + 6, (x+6)(x+1)
[tex]x^{2}[/tex] + 5x + 6 , (x+3)(x+1)
But [tex]x^{2}[/tex] + 1 cannot be factored because since it does not have a variable of x.
In conclusion, [tex]x^{2}[/tex] + 1 cannot be factored.
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The functions f and g are shown below.
50 POINTS TO HELP ME!!
Which of the following statements is true?
A.
Over the interval [0, 2], the average rate of change of f is the same as that of g. The y-intercept of f is greater than the y-intercept of g.
B.
Over the interval [0, 2], the average rate of change of f is greater than that of g. The y-intercept of f is the same as the y-intercept of g.
C.
Over the interval [0, 2], the average rate of change of f is the same as that of g. The y-intercept of f is less than the y-intercept of g.
D.
Over the interval [0, 2], the average rate of change of f is less than that of g. The y-intercept of f is the same as the y-intercept of g.
Answer:
A ................................
A rhombus has diagonals with lengths of 24 and 20.
What is the length of a side of the rhombus? Show work to get credit.
Answer:
15.62 is the length of the side of the rhombus.
Step-by-step explanation:
Formula:
A = (e x f)/2
May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I only need 15 more brainliest to become a genius! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!
Find the value of x if the segment shown is an angle bisector.
Answer:
4
Step-by-step explanation:
Since YP is an angle bisector, Angle 1 and 2 are equal.
We know WYX is 17x+4 so
2 times Angle 1 is 17x+4
[tex]2(8x + 4) =17x + 4[/tex]
[tex]16x + 8 = 17x + 4[/tex]
[tex]4 = x[/tex]
what's the answer?!!!
Answer:
6(y-2) would be 6y-12
Step-by-step explanation:
The royal fruit company produces two types of fruit drinks. the first type is 30% pure fruit juice, and the second type is 80% pure fruit juice. the company is attempting to produce a fruit drink that contains 75% pure fruit juice. how many pints of each of the two existing types of drink must be used to make 50 pints of a mixture that is 75% pure fruit juice?
5 and 45 pints of each of the two existing types of drink must be used to make 50 pints of a mixture that is 75% pure fruit juice.
Let x be the number of pints of the first fruit juice (i.e., 30%) and y be the number of pints of the second fruit juice (i.e., 80%).
Since the total number of pints to make the 75% pure fruit juice is 50, it can be represented using the equation:
x + y = 50 -----(1)
Also, x pints of the first juice = 0.30x, y pints of the second juice = 0.80y and 50 pints of the mixture to be produced = 50(0.75)= 37.5. Therefore:
This is represented as ;
30% × x + 80% × y = 50 of 75%
Make x in the subject x + y = 50
Substitute:
x = 50 - y in 30% × x + 80% × y = 50 of 75%
0.30 (50 - y) + 0.8 × y = 50 of 0.75
15 - 0.3y + 0.8y = 37.5
Collect like terms :
-0.3y + 0.8y = 37.5 - 15
0.5y = 22.5
y = 45
Recall that :
x = 50 - y
x = 50 - 45
x = 5
Hence, 5 and 45 pints of each of the two existing types of drink must be used to make 50 pints of a mixture that is 75% pure fruit juice.
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The graph shows the average length of a newborn baby, where x represents its age in months and y represents its length in inches. A line of best fit with the equation y = 1.5x + 20 is also shown.
The equation of a line is written as [tex]y=mx+c[/tex].
What is the equation of a line?
The equation [tex]y = mx + c[/tex] is the general equation of any straight line where [tex]m[/tex] is the gradient of the line and [tex]c[/tex] is the [tex]y -intercept[/tex] .
Here the given equation is
[tex]y=1.5x+20[/tex] ........[tex](1)[/tex]
when [tex]x=0[/tex]
[tex]y=1.5(0)+20\\y=20[/tex]
when [tex]x=1[/tex]
[tex]y=1.5(1)+20\\y=1.5+20\\y=21.5[/tex]
when [tex]x=-1[/tex]
[tex]y=1.5(-1)+20\\y=-1.5+20\\y=18.5[/tex]
Draw the graph
Hence, by using the values of [tex]x[/tex] and [tex]y[/tex] we formed a straight-line graph.
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Can you please help me with this assignment