How do you do this? 63:27= 49:?
The value of the missing number in the given ratio 63:27= 49:? is 21.
What are the ratio and proportion?The ratio is the division of the two numbers.
For example, a/b, where a will be the numerator and b will be the denominator.
As per the given ratio,
63:27= 49:?
Let's assume the missing number is x.
63/27 = 49/x
Multiply both side by x.
x(63/27) = 49
Multiply both side by 27/63
x = 49(27/63)
x = 21
Hence "The value of the missing number in the given ratio 63:27= 49:? is 21".
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How can you visit the sun without burning up answers
The Sun produces energy through nuclear fusion in its core. Visiting the Sun is not possible due to high temperatures and intense radiation. Scientists use special instruments to observe the Sun safely.
Explanation:The Sun produces energy through the process of nuclear fusion. In the Sun's core, hydrogen atoms combine to form helium atoms, releasing a tremendous amount of energy in the process. This energy is then radiated outwards in the form of light and heat. However, visiting the Sun is not feasible due to its extremely high temperatures and intense radiation. If one were to approach the Sun, they would burn up before reaching it.
As an analogy, imagine you are attending a crowded rally and need to work your way through the dense crowd to reach the edge. Photons in the Sun's core behave similarly, constantly bumping into atoms and changing direction as they make their way outwards. They only become visible when they reach the Sun's atmosphere, where the density of atoms is low enough to allow their outward progress.
To observe the Sun and learn about its characteristics, scientists use instruments like telescopes equipped with special filters that block harmful radiation and enable safe observations. These observations help us understand the Sun's behavior and its impact on Earth.
Final answer:
The Sun produces energy via nuclear fusion in its core, where hydrogen atoms fuse to create helium, emitting light and heat. The photosphere, just over 400 kilometers thick, is the layer from which visible light is emitted. Physically visiting the Sun would be impossible due to its extreme conditions, yet exploring its energy production and photonic behavior is intriguing.
Explanation:
To address the question of how the Sun produces so much energy for such an extended period, one must understand that the Sun has been generating energy for about 4.5 billion years through nuclear fusion processes. In the Sun's core, hydrogen atoms fuse to form helium under extreme temperatures and pressures, releasing vast amounts of energy in the form of light and heat. This process is similar to having an incredibly long-lasting 'nuclear battery' that provides the energy that we see as sunlight.
An interesting analogy to understand the journey of a photon from the Sun's core to the outside is by imagining being in a crowded rally and trying to get from the center to the edges; you would constantly bump into people, change direction, and only gradually make your way out. Photons behave the same way inside the Sun, constantly interacting with atoms and only becoming visible when they reach the Sun's atmosphere where atom density is low. This atmosphere, or photosphere, is about 400 kilometers thick, relatively thin compared to the Sun's diameter, and it's from this layer that the bulk of the Sun's visible light we see is emitted.
HELP!!!!!!! PLEASE LITTLE BOY IN CRISIS!!!!!!!!1
Look at the model that shows 1/2 =3/6. How does the number of parts in the whole affect the number of parts that are shaded?
Equivalent fractions represent the same portion of a whole, despite having different numerators and denominators. By increasing the number of equally divided parts of a whole and accordingly adjusting the number of shaded parts, you create equivalent fractions such as 1/2 and 3/6, which look different but represent the same amount.
Explanation:The question is addressing a concept in Mathematics, specifically the idea of equivalent fractions and how changing the number of parts in a whole affects those fractions. When you look at the model showing 1/2 = 3/6, you see that the whole is divided into different numbers of parts. The fraction 1/2 means that one out of two equal parts of the whole is shaded, whereas 3/6 indicates that three out of six equal parts of the whole are shaded.
To understand this, imagine dividing a shape into two equal parts. Shading one of these gives you 1/2. If you further divide each half into three parts, making six equal parts in total, and shade three, you still have the same amount shaded (which is half) but in terms of six parts now, hence 3/6. This shows that by increasing the number of parts into which the whole is divided, while maintaining the proportion of the shaded area, you increase both the numerator and denominator of the fraction proportionally, thus creating what is known as an equivalent fraction.
Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
The number of the more students who prefer math over science is 32.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favourite class is math. Another 15% of the students she surveyed reported that their favourite class is science.
The number of students will be calculated as,
People whose favourite class is math,
80 x .55 = 44
People whose favourite class is science,
80 x .15 = 12
The number of students will be calculated as,
44 - 12 = 32 (more students prefer math over science)
Therefore, the number of the more students who prefer math over science is 32.
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Solve for c. 36+c=54
Without multiplying, determine the sign of the product (356,864)(−194,758).
The sign of the product is positive because a positive multiplied by a negative is a positive.
The sign of the product is negative because a positive multiplied by a negative is a negative.
The sign of the product is negative because the second number is negative.
The sign of the product is positive because the first number is positive.
The sign of the product is negative because a positive multiplied by a negative is a negative.
What is Sign Significance?Significance starts with the word sign for a reason. An item's significance is a sign of its importance.
Here, Product of positive and negative term will always gives us negative result.
356864 is positive and -194758 is negative then the result of their product will always be negative number.
Thus, the sign of the product is negative because a positive multiplied by a negative is a negative.
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Alexander purchased a computer on sale. The original price was $1,200. The sale price was 5/6 of the original price. How much did Alexander pay for the computer?
A 16 oz bottle of fruit punch costs $2.40. A 24 oz. bottle of fruit punch costs $3.84. Which size costs less per ounce?
The 16 oz bottle of fruit punch, costing $0.15 per ounce, is a more economical choice compared to the 24 oz bottle, which costs $0.16 per ounce.
Explanation:To determine which size of fruit punch costs less per ounce, we need to calculate the cost per ounce for each bottle size. For the 16 oz bottle costing $2.40, we divide $2.40 by 16 oz, giving us $0.15 per ounce. For the 24 oz bottle costing $3.84, we divide $3.84 by 24 oz, resulting in $0.16 per ounce. Thus, we can see that the 16 oz bottle has a lower cost per ounce compared to the 24 oz bottle.
To further clarify, here are the calculations:
16 oz bottle: $2.40 ÷ 16 oz = $0.15 per ounce24 oz bottle: $3.84 ÷ 24 oz = $0.16 per ounceComparing the two, the 16 oz bottle's cost per ounce is $0.01 less than the 24 oz bottle, making it the more economical choice.
quantas palavras com 2 letras distintas podemos formar com as 7 primeiras letras do alfabeto
If x=6 and y=17 evaluate the following questions:
4x + 5y
Use the distributive property to express 24+36
write each fraction as the sum of two fractions with different denominators. a) 1/2 b) 3/4 c)9/10
A fun run has 216 male runners, the male runners make up 48% of all runners in the fun run. How many people are running in the fun run?
I need help with number 3 in the picture. Not sure how to answer! I hate having to explain how you solve math...you just do! Thanks in advance.
Micah has a bag of 55 marbles,all blue and red.if the ratio of red to blue marbles 3:2,how many red marbles does micah have? how many blue marbles does he have?
Micah has 33 red marbles and 22 blue marbles.
To find out how many red and blue marbles Micah has, we first need to divide the total number of marbles by the sum of the parts of the ratio (which is 3 + 2 = 5), and then multiply each part of the ratio by this result.
First, let's find the value of each part of the ratio:
- Each part represents a fraction of the total: [tex]\( \frac{55}{5} = 11 \)[/tex] marbles per part.
- Since the ratio of red to blue marbles is 3:2, we have:
- Red marbles: [tex]\( 3 \times 11 = 33 \)[/tex] marbles
- Blue marbles: [tex]\( 2 \times 11 = 22 \)[/tex] marbles
So, Micah has 33 red marbles and 22 blue marbles.
aiko jump rope for an amazing 20 min she stopped at 8:05 when did she start
what is 0.01 times 30
the answer and how to work it out
14.A company employee has to print 3145 pages, and the company's printer prints 85 pages per minute. The function f(x)=−85x+3145f(x)=−85x+3145 represents the number of unprinted pages x minutes after the printing begins.
What is the practical domain of function f?
all whole numbers from 0 to 37
all real numbers from 0 to 37
all real numbers from 0 to 3145
all multiples of 85 between 0 and 3145
The practical domain of the function f(x)=−85x+3145, which represents the number of unprinted pages x minutes after the printing begins, is from 0 to 37. Here, the value of 'x' are whole numbers since it represents time in minutes, and in this context, fractions or decimal amounts of minutes do not apply.
Explanation:In Mathematics, particularly in the topic of functions, the practical domain refers to the set of all possible values of x, for which the function is defined. In this particular problem, the function f(x)=−85x+3145f(x)=−85x+3145 represents the number of unprinted pages x minutes after the printing begins.
Given that the printer prints 85 pages per minute and there are 3145 pages to print in total, it will take the employee 3145/85 = 37 minutes to print all the pages. Therefore, the practical domain of this function f is all whole numbers from 0 to 37 inclusive.
Keep in mind, these are whole minutes. It may not make practical sense to consider fractions or decimals of minutes in this problem context as the printer operates at set whole minute intervals. So, the practical domain does not include real numbers between 0 and 37, only whole numbers.
So the practical domain of function f is all whole numbers from 0 to 37.
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what is 31000 decreased by 6%
What is 132 divided by 8 using long division with the remainder (pls show the work so I can copy it pls)
The quotient of 132 divided by 8 is 16 with a remainder of 0.
let us perform long division to find the quotient of 132 divided by 8, including the remainder.
16
__________
8 | 132
Step 1: Determine how many times 8 can be divided into 13 (the first two digits of 132).
16
__________
8 | 132
8
Step 2: Multiply 8 by 1, which gives us 8. Write the result below 132.
16
__________
8 | 132
8
-------
12
Step 3: Subtract 8 from 13 (the original dividend). Write the result below the line.
16
__________
8 | 132
8
-------
12
-------
Step 4: Bring down the next digit of the dividend, which is 2.
16
__________
8 | 132
8
-------
12
2
-------
Step 5: Determine how many times 8 can be divided into 12. The answer is 1.
16
__________
8 | 132
8
-------
12
2
-------
8
Step 6: Multiply 8 by 1, which gives us 8. Write the result below 12.
16
__________
8 | 132
8
-------
12
2
-------
8
Step 7: Subtract 8 from 12.
16
__________
8 | 132
8
-------
12
2
-------
8
-------
Step 8: We have no more digits to bring down from the dividend. The remainder is 0.
Therefore, the quotient of 132 divided by 8 is 16 with a remainder of 0.
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Parker wanted to buy a brand new game controller. He has $23.50. The controller will cost $19.85. How much money will Parker have left over after he buys the game controller?
A $4.55
B $4.65
C $3.65
D $3.55
Aaron needs to hire a waiter. Waiter A is offering his services for an initial $25 in addition to $4.75 per hour. Waitress B is offering her services for an initial $30 in addition to $3.75 per hour. When will the two waiters charge the same amount of money?
At
hours, both waiters will charge the same amount, which is.....
Waiter A and waitress B will charge the same amount of money in 5 hours and which is $48.75.
What is the equation?The equation is defined as mathematical assertions that have a minimum of two terms containing variables or numbers that are equal.
As per the question, we can write the equations as:
For Waiter A, this is given by the equation 25 + 4.75h,
For Waitress B, the equation is 30 + 3.75h.
where h is the number of hours.
We can set up the equation 25 + 4.75h = 30 + 3.75h by equating the total amount each waiter will charge. Solving for h, we get:
25 + 4.75h = 30 +
4.75h - 3.75h = 30 - 25
h = 5
This means that at 1.05 hours, both waiters will charge the same amount of money.
The total amount they will charge is:
⇒ 25 + 4.75(5)
⇒ 30 + 3.75(1.05)
⇒ $48.75.
Thus, they will charge the same amount of money in 5 hours and which is $48.75.
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how to write 1.075 in word form
The price of a pair of headphones is $39.99 before tax. Dalton bought the headphones for 30% off. He then paid 6% sales tax on the discounted price. Part A: How much did Dalton pay in sales tax? Show all work and steps in your solution. (5 points) Part B: What is the total amount that Dalton paid for the headphones? Show all work and steps in your solution. (5 points)
Answer
She paid 17.99 in sales tax
Step-by-step explanation:
Which number is located to the right of -1 2/3 on the horizontal number line?
Answer:
The Answer is -1 1/3 (A.)
-1 2/3 is equal to -1.666 so -1 1/3 equals -1.3, it would make the number locate on the right of -1 2/3 on the horizontal number line
The mixed fraction number - 1 ²/₃ is lesser than the mixed fraction number - 1 ¹/₃. Then the correct option is A.
What is a number line?A number line refers to a straight line in mathematics that has numbers arranged at regular intervals or portions along its width. A number line is often shown horizontally and can be postponed in any direction.
The mixed fraction number is given below.
⇒ - 1 ²/₃
Convert the mixed fraction number into a decimal number. Then we have
⇒ - 1 ²/₃
⇒ - (1 + 0.667)
⇒ - 1.667
The value of the mixed fraction number - 1 ¹/₃ will be given as,
⇒ - 1 ¹/₃
⇒ - (1 + 0.333)
⇒ - 1.333
The mixed fraction number - 1 ²/₃ is lesser than the mixed fraction number - 1 ¹/₃. Then the correct option is A.
The number line is given below.
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The complete question is given below.
Which number is located to the right of -1 2/3 on the horizontal number line?
A. -1 1/3
B. -2 1/3
C. - 2
D. - 3
How do I factor 2w^2 +13w +15
If 5 goldfish cost $6.45, what is the cost of 8 goldfish?
Answer:
$10.32
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Last one in math! Help Me
what is the fraction of 0.79 in simplest form
The decimal 0.79 as a fraction in simplest form is 79/100, which cannot be simplified further.
To convert the decimal 0.79 into a fraction in simplest form, we have to write it as a fraction with a denominator that reflects the decimal's place value. Since 0.79 has two decimal places, it equates to 79/100. This fraction cannot be simplified further since 79 and 100 have no common divisors other than 1, thus 79/100 is the fraction in simplest form.