turn 4b-2 into a word phrase
Jermey drew a polygon with four right angles and four sides with the same length . Name all the polygons that he could have drawn
Sven is trying to find the maximum amount of time he can spend practicing the five scales of piano music he is supposed to be working on. He has 70 minutes to practice piano and would like to spend at least 55 minutes playing songs instead of practicing scales. So, Sven sets up the following inequality, where t is the number of minutes he spends on each scale, and solves it.
70 − 5t ≤ 55
−5t ≤ −15
t ≥ 3
Sven has concluded that he should spend 3 minutes or more on each scale. Is this correct? If not, what mistake did he make? Then solve for the correct answer.
Answer:
He should spend 3 minutes or less on each scale
Sven made a mistake in the symbol of inequality, placing lesser or equal instead of greater or equal
Step-by-step explanation:
Let
t ------> is the number of minutes he spends on each scale
Remember that the phrase "at least" is equal to "greater than or equal"
so
The inequality that represent this scenario is
[tex]70-5t \geq 55[/tex]
solve for t
[tex]-5t \geq 55-70[/tex]
[tex]-5t \geq -15[/tex]
Multiply by -1 both sides
[tex]5t \leq 15[/tex]
Divide by 5 both sides
[tex]t \leq 3[/tex]
Sven is incorrect
He should spend 3 minutes or less on each scale
Sven made a mistake in the symbol of inequality, placing lesser or equal instead of greater or equal
Answer:
i dont think he made a mistake
Step-by-step explanation:
lmk if you need an explanation
is 10/25 and 40/100 equal to 2/5
Error Analysis The length of an object is exactly 20 cm. A student says that a
measurement of 19 cm represents a percent error of 95%, while a measurement of
21 cm represents a percent error of 105%. Explain what the student did wrong.
What are the correct percent errors?
1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 36. How old is each sister? You must complete all sections of this questions to receive full credit.
(a) Write an equation that represents the situation. Explain any variable used.
(b) Solve the equation from Part (a). Show your work. State your solution as a complete sentence.
Fiona is serving iced tea and lemonade at a picnic. She has only 44 cups in which to serve the drinks. If x represents the number of glasses of iced tea and y represents the number of glasses of lemonade, which equation represents the number of glasses of iced tea she can serve?
Answer:
x = 44 - y
Step-by-step explanation:
Fiona is serving iced tea and lemonade at a picnic.
Let x be the number of glasses of iced tea and y be the number of glasses of lemonade.
So the equation represented the total number of glasses of iced tea and lemonade = x + y
Since Fiona has total number of glasses = 44
Therefore, x + y = 44
By solving, x = 44 - y
Equation which represents the number of glasses of iced tea will be x = 44 - y
Como resolver 2a(ab+b)-b (3x+a2) eliminando os parenteses
Ashley has started a blog and is using the bar chart below to keep track of how many followers she has. How many followers will she have on day n
if l=prt, which equation is equivalent to t ?
you would divide both sides by pr
so the equation would be t= I/pr
Kenya has 2 hours to make a 104 mile trip. What rate must she average to make the trip in 2 hours? A) 50 mph B) 51 mph C) 52 mph D) 53 mph
Is |a+b|=|a|+|b| for all rational numbers a and b? Explain.
The equation |a+b|=|a|+|b| is not always true for all rational numbers a and b.
Given that, |a+b|=|a|+|b|.
We need to check whether |a+b|=|a|+|b| for all rational numbers a and b.
What is a rational number?Rational numbers are in the form of p/q, where p and q can be any integer and q ≠ 0. This means that rational numbers include natural numbers, whole numbers, integers, fractions of integers, and decimals (terminating decimals and recurring decimals).
Now,
Example 1:
a=-3 and b=5
|-3+5|=|-3|+|5|
⇒2≠8
Example 2:
Take a=2 and b=4
|2+4|=|2|+|4|
⇒6=6
Therefore, from the above examples, we understood that |a+b|=|a|+|b| are not always true.
To learn more about the rational number visit:
https://brainly.com/question/17450097.
#SPJ2
Answer: |a+b|=|a|+|b| is not always true
Step-by-step explanation:
The equation |a+b|=|a|+|b| is not always true for all rational numbers a and b.Given that, |a+b|=|a|+|b|.We need to check whether |a+b|=|a|+|b| for all rational numbers a and b.What is a rational number?Rational numbers are in the form of p/q, where p and q can be any integerand q ≠ 0. This means that rational numbers include natural numbers, whole numbers, integers, fractions of integers, and decimals (terminating decimals and recurring decimals).Now, Example 1:a=-3 and b=5|-3+5|=|-3|+|5|⇒2≠8Example 2:Take a=2 and b=4|2+4|=|2|+|4|⇒6=6Therefore, from the above examples, we understood that |a+b|=|a|+|b| are not always true.To learn more about the rational number visit:brainly.com/question/17450097.
The circle with center (1,5) and radius 4 has equation
Which expression is equivalent to −1.3+(−4.9)+(−2.6) ?
A −(1.3−4.9)+(−2.6)
B −1.3−(4.9+2.6)
C −1.3+(4.9+2.6)
D (1.3+4.9+2.6)
Answer:
B −1.3−(4.9+2.6)
Please mark me as brainlyistAnswer:
-1.3-(4.9+2.6)
I
Suzi starts her hike at an elevation below sea level .when she reached the end of the hike she is still below sea level at - 127feet. What was the change in elevation from the beginning of Suzi hike to the end of the hike?
Is every isosceles triangle equilateral? Is every equilateral triangle isosceles? Explain
Last month, Lana sold 35 necklaces a week at $15 each. However, throughout the month, 6 customers returned their necklaces for a full refund due to defective clasps. How much did Lana make selling necklaces last month? (Hint: Assume there were 4 weeks in the last month.)
To calculate the amount Lana made selling necklaces last month, multiply the number of necklaces sold per week by the price of each necklace. Subtract the number of returned necklaces and multiply the adjusted number by the price to find the total amount.
Explanation:To calculate the amount Lana made selling necklaces last month, we need to multiply the number of necklaces sold per week by the price of each necklace. Lana sold 35 necklaces per week, so for 4 weeks, she sold a total of 35 x 4 = 140 necklaces. However, 6 customers returned their necklaces, so we subtract that from the total: 140 - 6 = 134 necklaces were actually sold. Each necklace was sold for $15, so the total amount Lana made can be found by multiplying the number of necklaces by the price: 134 x $15 = $2010.
0.567 as a fraction
Only the 5 and 7 repeats
A water bottle holds 3 1/3 c of water. A bowl holds 2 1/4 times the amount in the water bottle. How much water does the bowl hold? Express your answer as a mixed number in the simplest form.
Compare the expressions using <, >, or =. Show all your work. (18 – 3) ÷ (6 - 1) _____ 4 • (10 – 3) – 4 • 2
Following the order of operations, (18 – 3) ÷ (6 - 1) simplifies to 3 and 4 • (10 – 3) – 4 • 2 simplifies to 20. Therefore, comparing these two statements using the symbols '>', '<', or '=', we infer that 3 < 20.
Explanation:To solve this problem, we need to follow the order of operations (also commonly known as BODMAS or PEDMAS), which stands for Brackets, Orders/Exponents, Division and Multiplication (from left to right), Addition and Subtraction (from left to right).
Let's first simplify the expressions on both sides of the comparison:
(18 – 3) ÷ (6 - 1) simplifies to 15 ÷ 5 = 3 4 • (10 – 3) – 4 • 2 simplifies to 4 • 7 - 8 = 28 - 8 = 20.
Now, we can compare these two numbers. Since 3 is less than 20, we use the symbol '<' to compare these two numbers. Therefore, (18 – 3) ÷ (6 - 1) < 4 • (10 – 3) – 4 • 2.
Learn more about Order of Operationshttps://brainly.com/question/5217461#SPJ2
HELP ASAP! please need answer fast
Which function represents a horizontal shift of f(x)=5^x by 4 units to the right?
Answer: [tex]g(x)=5^{x-4}[/tex]
Step-by-step explanation:
When a function f(x) is shifted horizontally by n units to the right , the new function will become :-
[tex]g(x)=f(x-n)[/tex]
The given function : [tex]f(x)=5^x[/tex]
Now, if the given function shifted 4 units to the right , then the new function will become :
[tex]g(x)=f(x-4)[/tex]
[tex]g(x)=5^{x-4}[/tex]
Hence, the function represents a horizontal shift of [tex]f(x)=5^x[/tex] by 4 units to the right will be :-
[tex]g(x)=5^{x-4}[/tex]
a typical marathon is 26.2 miles Aleexis averages 12 km per 1 hour when running in marathons. Use dimensional Analysis to determine how long it would take Aleexis to complete a marathon
2⋅(3^6*3^−5)
1. 2/3
2. 3
3. 6
4. 18
How does scientific notation make it easier to perform computations with very large or very small numbers
How many solutions does an equation have when you isolate the variable and it equals a constant?
Final answer:
Isolating a variable to equal a constant typically results in one solution, but special cases may have no solution or infinitely many. The number of solutions depends on the form of the equation once the variable has been isolated.
Explanation:
When you isolate the variable in an equation and it equals a constant, the equation typically has exactly one solution. This is because each value of the variable corresponds to exactly one value of the constant, establishing a one-to-one relationship. For instance, if an equation is simplified to the form x = 5, then the solution set consists of the single number 5. However, if you have an equation like 0x = 0, you encounter a special case where any value of x satisfies the equation, resulting in infinitely many solutions. Alternatively, an equation like 0x = 5 has no solution, as there is no value of 'x' that can make this equation true. When equations are rearranged to isolate a natural logarithm, such as In A, ensuring consistency with assumptions, as in symmetric solutions and physical calculations, can help determine valid solutions.
15 POINTS!!!
A third-degree polynomial has 4 intercepts. A third-degree function can have as many as 3 zeros only. Is there a way for both statements to be correct? Explain your answer.
Wot it's the missing number x9=6x3
905,154 round to the nearest ten thousand
The ratio of height to width of a tv screen is 9 to 16 how high is a screen that is 30 inches wide
Final answer:
The height of a TV screen with a width of 30 inches and a ratio of height to width of 9 to 16 is approximately 16.875 inches.
Explanation:
To find out how high a TV screen is that is 30 inches wide with a ratio of height to width of 9 to 16, we can set up a proportion using the given ratio and solve for the height. The ratio can be written as:
Height : Width = 9 : 16
Let's call the actual height of the screen 'h'. Using the proportion we have:
9/16 = h/30
To solve for 'h', we cross-multiply:
9 * 30 = 16 * h
270 = 16 * h
Now, to find the height 'h', we divide both sides of the equation by 16:
h = 270/16
h = 16.875 inches
Therefore, the height of the screen that is 30 inches wide is approximately 16.875 inches.