we know that
[tex](5x+15)\°+(3x-3)\°=180\°[/tex] -----> by consecutive interior angles
so
Solve for x
[tex](5x+15)+(3x-3)=180\\ 8x+12=180\\8x=180-12 \\x=168/8 \\x=21\°[/tex]
therefore
the answer is
[tex]x=21\°[/tex]
Flip a fair coin 25 times. what is the size of the sample space? that is, how many different sequences of heads and tails are possible? what is the probability of each one of those possible outcomes?
To to which set of numbers does the number square root of -16 belong
Which equation can be rewritten as x + 4 = x2? Assume x > 0
A.[tex] \sqrt{x^2}+2+x[/tex]
B.[tex] \sqrt{x+2} =x[tex] C.\sqrt{x+4}=x [/tex][/tex]
D.[tex] \sqrt{x^2+16}=x [/tex]
The equation can be written as x+4=x^2 is \sqrt{x+4} =x, where x>0.
[tex]\sqrt{x+4} =x[/tex]
If we square both sides of the equation
We can rid of the exponent on the right side and add a square root to
x + 4.
[tex]\sqrt{x+4}=x[/tex]
Squaring on both sides we have,
What is the square root?The square root of a number is that factor of a number that when multiplied by itself gives the original number.
[tex](\sqrt{x+4}})^2=x^2[/tex]
x+4=x^2
Therefore, The equation can be rewritten as x + 4 = x^2.
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Find the coordinates of point p that partition AB in the ratio 2:3 where A (-8,13) and B (2,-2)
How much would it cost to mail a package weighing 13 Ibs
The price to mail a package weighing 13 lbs can vary depending on the carrier and the type of service, but it typically ranges from about $20 to $100. Always check current rates on the carrier's website or at a local post office.
Explanation:The cost to mail a package can vary considerably depending on various factors such as the carrier (USPS, UPS, FedEx, etc.), the package's size and shape, the destination, and the speed of delivery. However, assuming you're using USPS, their pricing often depends on the weight of the package. A package weighing 13 lbs currently could cost anywhere from around $20 to $100, based on various factors and the type of service you choose (like priority mail or ground shipping). It's always best to check the current rates on the carrier's website or at a local post office.
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If 23 people shake each others hands once how many hands are shook in all
What is the units digit of 8 to the 97th? (no using a calculator)
8 divided by 97 equals 0.082
I stopped after getting the 2, so not sure what the next number would've been
( I didn't use a calculator)
Counting significant digits when measurements are multiplied or divided calculator
Amelia borrows $13450 for a round-the-world trip. Her repayments are $128 per week for 3 years. How much interest is she charged on the loan?
The next number in the sequence -5, -2, 4, 13 is 25. is this conjecture true or false? math
The conjecture is true; by determining the pattern of increasing differences between consecutive numbers (increasing by 3), we can conclude that adding 12 to the last number, 13, gives us the next number in the sequence, which is 25.
The conjecture that the next number in the sequence -5, -2, 4, 13 is 25 can be tested by looking at the pattern of how the numbers are increasing. To do this, let's look at the differences between the numbers:
-2 - (-5) = 34 - (-2) = 613 - 4 = 9We see that the differences between the numbers are increasing by 3 each time (3, 6, 9). Therefore, if we continue this pattern, the next difference should be 9 + 3 = 12. If we add 12 to the last number in the sequence, 13, we get:
13 + 12 = 25
Therefore, the conjecture is true. The next number in the sequence is indeed 25.
How did world war 2 start
The German invasion of Poland on September 1st 1939 caused Britain to declare war on Germany two days later, starting the war.
Simplify.
73+3(23−13)2
The value of the given expression is 133.
What is simplification?Simplification involves taking complicated mathematical expressions and simplifying them. Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given expression 73+3(23−13)2 is termed as E and will be solved as below:-
Use the concept of PEMDAS. Here, the PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
E = 73+3(23−13)2
E = 73 + 3 ( 10 ) 2
E = 73 + 6 ( 10 )
E = 73 + 60
E = 133
Therefore, the value of the given expression is 133.
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Evaluate |a| - |b|, given a = 5, b = -3, and c = -2.
Answer:
The answer is 2.
Step-by-step explanation:
In order to determine the value of the expression, we have to know about absolute value function.
The absolute value function is a function that only change the sign into positive and maintain the values. It is represented by " | x | " where x can be any number.
For example, if [tex]x=-2[/tex]
[tex]|x|=|(-2)|=2[/tex]
In this case, we have the next values:
[tex]a=5\\b=-3\\\\|a|-|b|\\|5|-|(-3)|\\5-3\\2[/tex]
Finally, the value of the expression is 2.
What is the product? (X-3)(2x^2-5x+1)
Answer:
[tex]2x^3-11x^2+16x-3[/tex]
Step-by-step explanation:
We have been given an expression [tex](x-3)(2x^2-5x+1)[/tex]. We are asked to find the product of our given expression.
Upon using distributive property, we will get:
[tex]x(2x^2-5x+1)-3(2x^2-5x+1)[/tex]
[tex]x*2x^2-x*5x+x*1-3*2x^2-3*-5x-3*1[/tex]
[tex]2x^3-5x^2+x-6x^2+15x-3[/tex]
Upon combining like terms, we will get:
[tex]2x^3-5x^2-6x^2+15x+x-3[/tex]
[tex]2x^3-11x^2+16x-3[/tex]
Therefore, the product of our given expression would be [tex]2x^3-11x^2+16x-3[/tex].
The amount of pizza left in the buffet line is given by the function A(t) = 50(0.8)t where t stands for the number of minutes the buffet is open and A(t) stands for the amount of pizza in any given time. How much pizza is there after five minutes?
What is the first step in solving 4x -3 = 9
Translate
the quotient of y and two is equal to eight subtracted from twice y
Which two temperatures have a sum of 0 degrees Celsius?
2 degrees Celsius and −2 degrees Celsius
2 degrees Celsius and 2 degrees Celsius
−2 degrees Celsius and −2 degrees Celsius
2 degrees Celsius and 0 degrees Celsius
Write any Quetion of the line and soap intercept form that passes through (-2,4) and has a slope of 4
Dwayne has $5.00 kendra has 1/10 as much money as dwayne juan has 1/10 as much money as kendra tom has 10 times as much money as dwayne and ruth as 10 times as much money as tom
The product of 9 and a number t
The store sold fewer blue jeans after the new pants became popular
Month Sales
1 7360
2 3680
3 1840
4 920
5 ?
Predict the number of sales in month 5
7360/3680 = 2
3680/1840 = 2
920/2= 460
month 5 sales will be 460
Sally has a credit card balance of $10,000. The credit card company charges a nominal interest rate of 17 percent a year on unpaid balances. The inflation rate is 9 percent a year. Calculate the real interest rate that Sally pays the credit card company. The real interest rate that Sally pays the credit card company is _______ percent a year.
The real interest rate that Sally pays the credit card company is 8% a year.
What is simple interest?Simple interest is a method of calculating the interest charge. Simple interest can be calculated as the product of principal amount, rate and time period.
Simple Interest = (Principal × Rate × Time) / 100
We are given that;
Balance = $10,000
Interest rate = 17 percent
Now,
The real interest rate is the interest rate that has been adjusted to remove the effects of inflation. According to 1, it can be calculated as:
Real interest rate = nominal interest rate - inflation rate
In this case, the nominal interest rate is 17% and the inflation rate is 9%. Plugging these values into the formula, we get:
Real interest rate = 17% - 9%
Real interest rate = 8%
Therefore, by the given interest the answer will be 8% a year.
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If a trend line has a slope of -3, what is true about the data? Select all that apply.
Both sets of data are increasing.
One set of data is increasing, while one is decreasing.
The data is going up from left to right.
The data is going down from left to right.
Can there be more than one mean or mode in a math problem??
Final answer:
In mathematics, while a data set can have more than one mode if multiple values share the highest frequency, there is usually only one mean. The mode refers to the most common value, and the mean is the arithmetic average. Statistical tools often help calculate these measures of center.
Explanation:
Yes, there can be more than one mean or mode in a math problem. The mode is the most frequently occurring value in a data set, and a data set can have multiple modes if there are several values with the same highest frequency. When a data set has two modes, it is known as bimodal. In contrast, while there can be more than one solution to an equation (such as in quadratic equations), there is typically only one mean for a given data set. The mean is calculated by adding all the values together and dividing by the number of values. However, the mean can be influenced by skewed data or outliers more than the median or mode.
The measures of center like mean, median, and mode are critical in statistics for summarizing data. They provide different perspectives on the central tendency of the data. The mean is the arithmetic average, the median is the middle value when the data set is ordered, and the mode shows the most frequently occurring value(s). In analyzing data, statistical software or graphing calculators are often used to efficiently calculate these measures of center.
When considering the relationship between the shape of a distribution and the measures of center, typically, the mean is most affected by skewness and outliers. A skewed distribution will pull the mean toward the long tail while the median tends to resist the influence of outliers and skewed data. Mode, being the most frequent value, doesn't necessarily indicate skewness but can reveal frequency patterns within the data set.
Suppose you flip a penny and a dime. Use the following table to display all possible outcomes. If each single outcome is equally likely, you can use the table to help calculate probabilities. What is the probability of getting one head and one tail, on either coin?
Answer:
50%
Step-by-step explanation:
The next table display all possible outcomes.
penny | dime
head | head
head | tail
tail | head
tail | tail
If each single outcome is equally likely and there are 4 options , then all outcomes has a probability of 1/4 = 0.25 or 25%. The probability of getting one head and one tail is 50% because it's obtained by two outcomes.
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What is the value of x?
If the length of a is 16 centimeters, the length of b is 10 centimeters, and the measure of is 22°, what is the length of c? Round your answer to two decimal places.
Answer:
7.70
Step-by-step explanation:
The measure of the missing angle is 113.28°.
What is the sine law?We can use the Law of Sines to determine the measure of the missing angle by assuming that it is opposite side c.
According to the Law of Sines, any triangle ABC:
a/sin(A) = b/sin(B) = c/sin(C)
So, Substituting the given values
16/sin(42°) = 10/sin(B) = c/sin(C)
Now, take first two ratios
sin(B) = 10*sin(42°)/16
sin (B) ≈ 0.4182
B ≈ sin⁻¹(0.4182)
B ≈ 24.72°
Using Angle Sum property
A + B + C = 180°
A + 42° + 24.72° = 180°
A ≈ 113.28°
Thus, the measure of the missing angle is 113.28°.
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HELP PLEASE!!!
Which property is shown? 2*1=2
A.distributive property
B. associative property of multiplication
C.identity property of multiplication
D. commutative property of addition
Final answer:
The correct option (C) identity property of multiplication. The equation 2*1=2 demonstrates the identity property of multiplication, indicating that any number multiplied by 1 yields the same number.
Explanation:
The mathematical property shown by the equation 2*1=2 is the identity property of multiplication. This property states that any number multiplied by 1 yields the number itself. Therefore, the correct answer is C.identity property of multiplication.
The identity property is essential because it confirms that 1 is the multiplicative identity in the set of real numbers.
Unlike the commutative property, which deals with the order of multiplication, or the associative property, which deals with the grouping of numbers, the identity property simply confirms that a number remains unchanged when multiplied by 1.
Simplify x + 15 - 4.
Answer:
[tex]x+11[/tex]
Step-by-step explanation:
In order to simplify this:
[tex]x+15-4[/tex]
You just need to substract like terms:
[tex]15-4=11[/tex]
Hence, the simplified is expression is:
[tex]x+11[/tex]
This represents a line which intercepts with the y-axis at 11 and with the x-axis at -11. I attached you the graph.
The simplified form of the expression is x + 11.
How do we simplify the expression?To simplify the expression "x + 15 - 4", you just need to do the addition and subtraction operation:
x + 15 - 4 = x + 11
Simplifying an expression means to make it as easy to understand as possible. This can involve combining like terms, removing unnecessary parentheses, and using the distributive property.
In the expression x + 15 - 4, the like terms are x and 15. These terms can be combined to give x + 11. The parentheses around the 15 are unnecessary, so they can be removed. The simplified expression is x + 11.
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