Which description is paired with its correct expression?
-seven less than the quotient of two and a number squared, increased by six;
-nine times the difference of a number cubed and three;
-eight more than the quotient of a number squared and four, decreased by seven;
-twice the difference of a number cubed and eight;
Answer:
Hes wrong trust me its C or three more than the quotient of nine and a number cubed, decreased by two; 3 + 9 Over n cubed minus 2 I trusted him and got it wrong
Step-by-step explanation:
Is it possible for a system to have more than one solution? Explain your answer
Which best explains whether or not all isosceles triangles are similar?
All isosceles triangles are similar. Two angles within each triangle are always congruent.
All isosceles triangles are similar. The triangle sum theorem states that the sum of the angles in a triangle is 180°. Therefore, the third angle can always be determined.
All isosceles triangles are not similar. The pair of congruent angles within one triangle is not necessarily congruent to the pair of congruent angles within the other triangle.
All isosceles triangles are not similar. Given only the vertex angle of an isosceles triangle, there is not enough information to determine the measures of the base angles. Therefore, it is not possible to determine if the base angles of one isosceles triangle are congruent to the base angles of another.
Answer:
C - All isosceles triangles are not similar. The pair of congruent angles within one triangle is not necessarily congruent to the pair of congruent angles within the other triangle.
Step-by-step explanation:
got it correct on edge
Using proportions, if your ( or your parents') monthly mortgage payment is $1,125.98, at least how much must your monthly realized income be to stay within acceptable housing expense limits?
Answer:
Let your monthly income = $ x
As, Mortgage payment does not exceed 28% of the total monthly income.
Monthly mortgage payment = $1,125.98
So, 28% of x=1125.98
[tex]=\frac{28x}{100}=1125.98\\\\x=\frac{112598}{28}\\\\ x=4021.3571[/tex]
So, Your monthly income should be $ 4021.36 (approx) to stay within acceptable housing expense limits.
PLZ HELP ASAP
IM PRETTY SURE ITS C OR MAYBE A
PLEASE EXPLAIN
Perimeter is the distance around a figure. What is the perimeter of this figure?( PLZ ANSWER TODAY!!!)
3.3 feet
_________
| |
| | 2.75 feet
|________|
BRAINLIEST ANSWER + 15 POINTS
What is the definition of Logarithm?
What are some facts about Logarithm?
What's an example of a Logarithm?
What's a non-example of a Logarithm?
In mathematics, the logarithm is the inverse operation to exponentiation, just as division is the inverse of multiplication. That means the logarithm of a number is the exponent to which another fixed number, the base, must be raised to produce that number. In the most simple case the logarithm counts repeated multiplication of the same factor; e.g., since 1000 = 10 × 10 × 10 = 103, the "logarithm to base 10" of 1000 is 3. More generally, exponentiation allows any positive real number to be raised to any real power, always producing a positive result, so the logarithm can be calculated for any two positive real numbers b and x where b is not equal to 1. The logarithm of x to base b, denoted logb (x) (or logb x when no confusion is possible), is the unique real number y such that by = x. For example, log2 64 = 6, as 64 = 26.
The logarithm to base 10 (that is b = 10) is called the common logarithm and has many applications in science and engineering. The natural logarithm has the number e (≈ 2.718) as its base; its use is widespread in mathematics and physics, because of its simpler derivative. The binary logarithm uses base 2 (that is b = 2) and is commonly used in computer science.
Logarithms were introduced by John Napier in the early 17th century as a means to simplify calculations. They were rapidly adopted by navigators, scientists, engineers, and others to perform computations more easily, using slide rules and logarithm tables. Tedious multi-digit multiplication steps can be replaced by table look-ups and simpler addition because of the fact—important in its own right—that the logarithm of a product is the sum of the logarithms of the factors:
{\displaystyle \log _{b}(xy)=\log _{b}x+\log _{b}y,\,}provided that b, x and y are all positive and b ≠ 1. The present-day notion of logarithms comes from Leonhard Euler, who connected them to the exponential function in the 18th century.
Logarithmic scales reduce wide-ranging quantities to tiny scopes. For example, the decibel (dB) is a unit used to express log-ratios, mostly for signal power and amplitude (of which sound pressure is a common example). In chemistry, pH is a logarithmic measure for the acidity of an aqueous solution. Logarithms are commonplace in scientific formulae, and in measurements of the complexity of algorithms and of geometric objects called fractals. They help describing frequencyratios of musical intervals, appear in formulas counting prime numbers or approximating factorials, inform some models in psychophysics, and can aid in forensic accounting.
In the same way as the logarithm reverses exponentiation, the complex logarithm is the inverse function of the exponential function applied to complex numbers. The discrete logarithm is another variant; it has uses in public-key cryptography.
Final answer:
The logarithm of a number is the exponent to which a base must be raised to get that number. Common logarithms use base 10, while natural logarithms use the constant e as the base. An example of a logarithm is log10(1000) = 3, whereas a non-example is the logarithm of a negative number, which is undefined in real numbers.
Explanation:
Definition of Logarithm
The logarithm of a number is the power to which a given base must be raised to obtain that number. In the case of common logarithms, the base is 10. As an example, the common logarithm of 100 is 2, because 10 raised to the power of 2 is 100.
Facts about Logarithms
Example of a Logarithm
An example is the logarithm of the number 1000 in base 10, which is 3, because 10 to the power of 3 equals 1000.
Non-example of a Logarithm
A non-example would be stating that the logarithm of a negative number in the common logarithm system, as logarithms of negative numbers are undefined in real numbers.
How do you find the area of a cylinder??
Final answer:
The cross-sectional area of a cylinder is found using the formula πr², and the external surface area is calculated by adding twice the area of the ends (2πr²) with the area of the side (2πrh). For volume, use V = πr²h. It's important to use consistent units throughout the calculations.
Explanation:
Finding the Area of a Cylinder
To find the cross-sectional area of a cylinder, you need to calculate the area of the circular base. The formula for the area of a circle is πr², where π is approximately 3.142 and r is the radius of the cylinder. To find the external surface area of a cylinder, you need to calculate the area of both circular ends and the rectangular side that wraps around the cylinder. The formula for that is 2πr² for the ends, plus 2πrh for the side, where h is the height of the cylinder.
If you want to find the volume of the cylinder, use the formula V = πr²h. This formula tells us that the volume is the area of the base times the height of the cylinder. This exemplifies the idea that understanding geometry can help calculate different geometric quantities such as cross-sectional area, the area of different parts, and volume effectively.
Remember to use consistent units in all calculations to ensure the correct solutions. For instance, if you're working in the metric system, keep all measurements in meters or centimeters.
What is the area of the trapezoid? Enter your answer in the box. in2 The figure shows a trapezoid. The parallel bases of the trapezoid are horizontal, and top base is shorter than the bottom base. Vertical line segments are drawn inside the trapezoid from the upper vertices perpendicular to the bottom base. These segments are each 18 inches and divide the trapezoid into two right triangles and a rectangle. The rectangle lies between the two triangles. The bases of the triangles and rectangle make up the bottom base of the trapezoid. The base of each triangle is 6 inches, and the base of the rectangle is 15 inches.
Two mechanics worked on a car. the first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. together they charged a total of $1925 . what was the rate charged per hour by each mechanic if the sum of the two rates was $205 per hour?
The sears tower in Chicago is 1,450 feet tall. A model of the tower is 24 inches tall. What is the ratio of the height of the model to the the height of the actual Sears tower?
a. 1:725
b. 725:1
c. 12:725
d. 725:12,
Answer:
ANSWERS LOL
Step-by-step explanation:
SS Geometry B: Unit 3: Similarity
1. A
2. B
3. A
4. B
5. C
6. A
7. A
8. C
9. C
10. B
11. C
12. ESSAY
13. ESSAY
Use the standard normal table to find the z-score that corresponds to the cumulative area 0.4661. if the area is not in the table, use the entry closest to the area. if the area is halfway between two entries, use the z-score halfway between the corresponding z-scores.
The z-score at the cumulative area of 0.4661 is -0.085
How to determine the z-score?The cumulative area is given as:
0.4661
This means that:
P = 0.4661
Next, we use a standard normal table to find the z-score.
From the standard normal table of z-scores, we have:
z = -0.085 when P = 0.4661
Hence, the z-score at the cumulative area of 0.4661 is -0.085
Read more about z-scores at:
brainly.com/question/25638875
#SPJ6
Anybody know the answer?
BRAINLIEST FOR BEST ANSWER
A closet is in the shape of a right rectangle prism it measures 4 1/4 feet long 3 1/4 feet wide and 6 feet tall. What is the volume of the closet
The answer is 100% 82 [tex]7/8[/tex]. I have taken the test it was correct!
What is the simple interest on $360 borrowed for 30 months at 12.3%?
(PLEASE EXPLAIN)
What of following best describes the expression 9(x+7)
Geometry proofs! 100+ points!
1. BC/CD = AC/CE 1. Given
2. <BCA is congruent to <ECD 2. Vertical angles are congruent
3. Tr.ACB is congr to Tr.ECD 3. SAS Similarity
Ella's college professors assign homework independently from each other. ella knows that there is a 60% chance that she will have math homework tonight and a 70% chance that she will have english homework. what is the probability that she will not have math or english homework tonight? 10% 12% 42% 70%
Answer:
B. 12%
Step-by-step explanation:
We have been given that Ella knows that there is a 60% chance that she will have math homework tonight and a 70% chance that she will have English homework.
Since we know that probability of not happening an event can be found by subtracting probability of happening the event from 1.
[tex]\text{P(No math homework tonight)}=1-0.6=0.4[/tex]
[tex]\text{P(No English homework tonight)}=1-0.7=0.3[/tex]
Since both events are independent so we will multiply probability of no math homework tonight by probability of no English homework to find no math or English homework tonight.
[tex]\text{P(No math or English homework tonight)}=0.4\times 0.3[/tex]
[tex]\text{P(No math or English homework tonight)}=0.12[/tex]
Converting 0.12 to percent we will get,
[tex]0.12\times 100=12\%[/tex]
Therefore, the probability that Ella will not have math or English homework tonight is 12%.
A garden snail traveled 1⁄40 of a mile in 1⁄2 an hour. What was the speed of the snail? 80 miles per hour
Emma is 5 years older than 6 times Beth’s age. If Emma is 29 years old what equation represents how to find Beth’s age?
To calculate Beth's age, we use the equation 29 = 6B + 5, where 29 is Emma's age, B represents Beth's age, and then solve for B, resulting in Beth being 4 years old.
To find Beth's age, we need to set up an equation based on the information provided. We know that Emma is 29 years old and that she is 5 years older than 6 times Beth's age. This relationship can be described with the equation E = 6B + 5, where E is Emma's age and B is Beth's age.
Plugging Emma's age into the equation, we get 29 = 6B + 5.
Next, we solve for B by first subtracting 5 from both sides of the equation, which gives us 24 = 6B. Then, we divide both sides by 6 to find Beth's age: B = 24 / 6.
Finding the value of B tells us that Beth is 4 years old.
Therefore, the equation is 29 = 6B + 5.
Solve Q-7/ 1/2= 6/ 1/2
Which expression is equivalent to sec^2 x cot^2 x?
Find the value of x.
PLEASE HELP!!
Circle 1: center (8, 5) and radius 6
Circle 2: center (−2, 1) and radius 2
What transformations can be applied to Circle 1 to prove that the circles are similar?
What scale factor does the dilation from Circle 1 to Circle 2 have?
Show your work.
The length of a rectangle is 1 inch less than twice the width. the area is 21 inches^2 what is the length?
Divide 5 in a ratio of 1:2:3
A number increases by 10%, and then decreases by 10%. Will the result be greater than, less than, or equal to the original number? Explain. Let xx represent the number. A 10% increase is equal to x+x+ , or . A 10% decrease of this new number is equal to − 0.1(− 0.1( )), or .
Final answer:
After increasing and then decreasing a number by 10%, the final result is less than the original number because the decrease is calculated from a higher number, resulting in a net decrease.
Explanation:
When a number, let's call it xx, increases by 10%, this can be represented as xx plus 10% of xx, which is xx + 0.10xx or 1.10xx. Then, if this new number decreases by 10%, we need to take 10% off this new value, so we calculate 10% of 1.10xx which is 0.10 × 1.10xx. The resulting value is 1.10xx - 0.11xx, which simplifies to 0.99xx.
Thus, after an increase and a subsequent decrease of 10%, the final value is less than the original since 0.99xx is 99% of the original value xx.
Which expressions are equivalent to the one below? Check all that apply. 27^x/9^x
Answer: The correct options are
(B) [tex]\dfrac{9^x.3^x}{9^x}[/tex]
(C) [tex] 3^x[/tex]
(E) [tex]\left(\dfrac{27}{9}\right)^3.[/tex]
Step-by-step explanation: The given expression is
[tex]E=\dfrac{27^x}{9^x}.[/tex]
We are to select the correct expressions that are equivalent to the expression "E".
We will be using the following properties of exponents:
[tex](i)~a^x.b^x=(ab)^x,\\\\(ii)~\dfrac{a^x}{b^x}=\left(\dfrac{a}{b}\right)^x.[/tex]
We have
[tex]E\\\\\\=\dfrac{27^x}{9^x}\\\\\\=\dfrac{(9\times 3)^x}{9^x}\\\\\\=\dfrac{9^x.3^x}{9^x}\\\\\\=3^x.[/tex]
Also,
[tex]E=\dfrac{27^x}{9^x}=\left(\dfrac{27}{9}\right)^x.[/tex]
Thus, (B), (C) and (E) are the correct options.
A cylindrical oil storage tank has a height of 10 meters and a diameter of 24 meters. If the tank is full, how much oil does it contain? Round to the nearest tenth of a kiloliter (1 m3 = 1 kL). Use 3.14 for π.