Final answer:
The process for solving multiplication and division one-step equations is similar to solving one-step addition and subtraction equations by identifying the unknown variable, applying principles of equality, and performing appropriate operations on both sides of the equation.
Explanation:
Identify the unknown variable in the equation.Use the principles of equality: whatever you do to one side, you must do to the other.Apply multiplication/division to both sides as needed to solve for the variable.write an expression for the calculation 84 divided into sevenths added to 9 divided into thirds
What is 137 divided by 7? Please put in the remainders!
Ex. 12R1
Thank you!
meriska was decorating her room .she arrange 63 picture tiles on a wallin the shape of rectangle. how many rows of tiles could be on the wall
A relation is plotted as a linear function on the coordinate plane starting at point A (0, 3)
and ending at point B (2, 7).
What is the rate of change for the linear function and what is its initial value?
Select the choices to correctly complete the statements.
The rate of change is ? Use one of THESE CHOICES ON THIS SIDE to replace the question mark.
A) 0
B) 2
C) 4,
D) 7
And the initial value is ? Use these choices HERE NOT ABOVE, but here to replace the question mark.
A) 0
B 2
C) 3
D) 7
How can you decide whether to be a brain surgeon or a novelist
Choosing between a career as a brain surgeon and a novelist involves weighing the time commitment for education and training against immediate earning potential. Additionally, personal passion, societal impact, and job significance in relation to one's lifestyle should be considered. The value of a career isn't solely determined by financial gain or status.
Deciding between becoming a brain surgeon or a novelist involves considerations beyond immediate income. The hypothetical scenario emphasizes that both professions, in this case, pay $150,000 annually, with a key difference in time invested in education and training. A brain surgeon requires extensive education and does not begin earning until about age 35, whereas a shoe shiner, used metaphorically for immediate income jobs like novel writing, earns from age 16. This leads to an opportunity cost of $2.85 million over 19 years.
However, career decisions are not solely based on financial aspects. They require considering personal interests, skills, and societal needs. A brain surgeon's job is highly specialized, and few people possess the necessary skills, which warrants a high income as an incentive. Conversely, a novelist's path may allow more immediate creative expression and potentially earlier financial independence.
It's essential to consider long-term consequences and uncertainties in career choice. Your passion, societal impact, and desired lifestyle must all shape your decision. Moreover, the intrinsic value of different professions cannot be solely quantified by income or prestige. Jobs like brain surgery or coal mining are both critical, and their importance is context-dependent.
a restaurant bill before tax is $15.50. How much is a 15% tip for this bill . please show work
Scientists believe there is a link between ambient temperature and damage to a head gasket on a car. They perform a study recording daily temperature and the damage index to a head gasket on a car.
What is the domain?
Answer:
The domain is the temperature
Step-by-step explanation:
The domain of a function can be seen as the set of all possible independent values or variables which will make the function "work", and will output real values for the independent variable.
In the question above, what's been recorded daily is the temperature.
Hence, it serves as the independent variable as its variation does not depend on that of another.
So, temperature is the domain for the function above
What is the approximate difference in the amount of wax needed to make a candle from each of these molds? (Use π = 3.14.)
a) 4.19 cubic inches
b) 10.4 cubic inches
c) 12.56 cubic inches
d) 20.93 cubic inches
Final answer:
To find the approximate difference in the amount of wax needed to make a candle from each of these molds, we can calculate the volume of wax using the formula for the volume of a cylinder. The approximate differences in volume can be calculated by subtracting the volume of mold a) from the volumes of molds b), c), and d).
Explanation:
To find the approximate difference in the amount of wax needed to make a candle from each of these molds, we need to calculate the volume of wax required for each mold. The formula for the volume of a cylinder is V = πr²h, where r is the radius and h is the height.
Using the given values, we can calculate the volumes as follows:
Volume for mold a) = 3.14 × (sqrt(4.19/3.14))² × 1 = 7.98 cubic inches
Volume for mold b) = 3.14 × (sqrt(10.4/3.14))² × 1 = 35.58 cubic inches
Volume for mold c) = 3.14 × (sqrt(12.56/3.14))² × 1 = 50.24 cubic inches
Volume for mold d) = 3.14 × (sqrt(20.93/3.14))² × 1 = 111.51 cubic inches
The approximate differences in the amount of wax needed to make a candle from each of these molds are:
Approximate difference between mold a) and b) = 35.58 - 7.98 = 27.6 cubic inches
Approximate difference between mold a) and c) = 50.24 - 7.98 = 42.26 cubic inches
Approximate difference between mold a) and d) = 111.51 - 7.98 = 103.53 cubic inches
2/5 of students are wearing glasses. what fraction of students are not wearing glasses.
How can properties help me add whole numbers and decimals.
Mathematical properties like the Commutative Property and place value concepts can assist in simplified addition of decimals and whole numbers. Multiplying decimals by powers of ten can further ease such additions.
Explanation:In the field of mathematics, properties can significantly aid in the process of adding whole numbers and decimals. One such property is the Commutative Property which states that the order in which numbers are added does not change the sum. For example, if you are adding 2.3 (decimal) + 4 (whole number), you would get the same result as 4 + 2.3.
Furthermore, you can leverage the concept of place value. This involves aligning the decimal points and adding digits from right to left to get the correct sum.
Lastly, multiplying by powers of ten can aid in the addition of whole numbers and decimals. When we multiply a decimal by a power of 10, we simply move the decimal point to the right by the same number of places as there are zeros in the power of 10. This can make additions easier. For instance, if we want to add 4 + 0.23, we could multiply 0.23 by 100 (a power of 10) to get 23, and then it's much straightforward to add 4 + 23. But we have to remember to divide by 100 at last to get the real answer: 4.23.
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A building with a height of 14 m casts a shadow that is 16 m long while a taller building casts a 24 m long shadow. What is the height of the taller building?
What is the length of diagonal BD in rectangle ABCD if BC=5 and CD=8.
a student correctly answered 80% of the 2o questions on the test How many questions did the student answer correctly
Write 300,000+40,000+60+7 in standard form
Beach towels are on sale for $1.50 off the regular price. Mrs. Ortiz buys 4 beach towels on sale for a total of $33.96. Write and solve an equation to determine the regular price of a beach towel. Explain how you can check with her your answer is reasonable.
what is between 50 and 100
Answer:
Every number from 51 all the way to 99.
Step-by-step explanation:
these are all not greater nor less than 50 and 100.
An envelope is 3. 1/3 inches long by 3. 1/2 inches wide what is that area of the envelop
What is the solution to the equation -2(1 + 5a) = -6(a + 3)
a=
write a division problem that has two digit dividend and 1 digit divisor show how to solve it by drawing a quick picture
The required quotient is 11 from the division of 22 by 2.
Given that,
To write a division problem that has two digit dividend and 1 digit divisor.
In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division,
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
let the two-digit dividend be 22 and the divisor be 2,
Now,
2 ] 2 2 [ 11
2
-
-------------
0 2
2
-
------------
00
Thus, the required quotient is 11 from the division of 22 by 2.
Learn more about arithmetic here:
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a ladder 6 meters in length leans against a wall. the base of the ladder is 2 meters away from the base of the wall. how far up the wall does the ladder reach to the nearest tenth?
If a is an integer, when is a/b always equal to an integer
(I'm terrible at math btw)
Use compatible numbers to estimate the quotient 784 divided by 8
Answer:
4
Step-by-step explanation:
Larry sold twice as many magazines as Jan. Henry sold 8 more magazines than Jan. Larry and Henry sold the same amount of magazines. How many magazines did Jan sell?
Jan sold 8 magazines.
The question is a classic example of a system of linear equations in the context of solving word problems. To solve for the number of magazines Jan sold, we need to set up equations based on the information provided.
Let's denote the number of magazines Jan sold as J. According to the problem, Larry sold twice as many magazines as Jan did, which can be represented as 2J. Henry sold 8 more magazines than Jan, which can be represented as J + 8. Lastly, we are told that Larry and Henry sold the same number of magazines, meaning 2J is equal to J + 8.
To find the number of magazines Jan sold (J), we solve the equation:
2J = J + 8
2J - J = 8 (Subtract J from both sides)
J = 8
Thus, Jan sold 8 magazines.
Of the 30 girls who tried out for the lacrosse team at Euclid Middle School, 12 were selected. Of the 40 boys who tried outo, 16 were selected. Are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls? How do you know?
For girls: 12/30 = 4/10 = 2/5
For boys: 16/40 = 4/10 = 2/5
The ratios of the number of students on the team to the number of students trying out for both boys and girls are the same since 12/30 = 16/40...
Write four equivalent expressions for each given expression. 20-10, 24+16, 14y-7y, 3p + 12p, 2(3+5m) and 5(3x+2)
what are all the common factors for 24 64 88
The length of a rectangular football field, including both end zones, is 120 yards. The area of the field is 57,600 square feet.
Area of a trapezoid: 9 m by 15m by 20m
Give an example of an irrational number that is less than -5.
Which equation can be used to find the answer?
Christina climbs to the top of Mount Graham in Arizona. On the first day, she climbs to an elevation of 1029 ft. The elevation of Mount Graham is 10,724 ft. How many total feet of Mount Graham’s elevation does Christina climb on the other days?
A. e + 1029 = 10,724
e = 9695
9695 ft
B. e = 1029 · 2
e = 2058
2058 ft
C. e = 10,724 ÷ 2
e = 5362
5362 ft
D. e – 1029 = 10,724
e = 11,753
11,753 ft