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Factor completely 3x2 + y. x(3x + y) y(3x2) xy(3x + 1) Prime
General
4 months ago
Which of the following equations demonstrate the multiplication property of equality for the equation x = 2? Check all that apply. 1. x(3) = 2(4)2. x(5) = 103. x(1.5) = 2(2)4. x(0.5) = 2(0.5)5. x(12) = 12
General
4 months ago
PLZ HELP NEED ANSWER QUICK1. What is the mean change in the forecasted high temperatures over the next 7 days? Remember, this can be found by averaging the values in the Difference column for the high temperatures. Show your work and steps. If your answer is not an integer, explain what two integers your answer is between.High for Tuesday: 87Wednesday: 87Thursday: 81Friday: 86Saturday: 89Sunday:83Monday:89
General
4 months ago
PLS HELP ASAP I WILL IVE BRAINLIST ANSWER!!!!!Leon verified that the side lengths 21, 28, 35 form a Pythagorean triple using this procedure. Step 1: Find the greatest common factor of the given lengths: 7 Step 2: Divide the given lengths by the greatest common factor: 3, 4, 5 Step 3: Verify that the lengths found in step 2 form a Pythagorean triple: mc011-1.jpg Leon states that 21, 28, 35 is a Pythagorean triple because the lengths found in step 2 form a Pythagorean triple. Which explains whether or not Leon is correct? Yes, multiplying every length of a Pythagorean triple by the same whole number results in a Pythagorean triple. Yes, any set of lengths with a common factor is a Pythagorean triple. No, the lengths of Pythagorean triples cannot have any common factors. No, the given side lengths can form a Pythagorean triple even if the lengths found in step 2 do not.
General
4 months ago
karim builds a wooden table3^4 in.------------| -| ? in.------------|The rectangular top of his table has an area of 3^7 square inches and a length of 3^4 inches. What is the width of the table top?A. 9 inchesB. 27 inchesC. 2,187 inchesD. 59,049
General
4 months ago
The right side of the orchestra section of the Nederlander Theater in New York City has 19 rows, and the last row has 27 seats. The number of seats in each row increases by 1 as you move toward the back of the section. How many seats are in this section of the theater. a. 342 seats c. 27 seats b. 293 seats d. 513 seats
General
4 months ago
To rent a canoe, the cost is $3 for the oars and life preserver, plus $5 an hour for the canoe. Sketch the graph that would model the cost of renting a canoe.
General
4 months ago
Fifty percent of households say they would feel secure if they had $50,000 in savings. you randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings. find the probability that the number that say they would feel secure is (a) exactly five, (b) more than five, and (c) at most five
General
4 months ago
Select the undefined term that best defines the arrow picturedpointlineplane
General
4 months ago
In two or more complete sentences, explain the theorem used in solving for the range of possible lengths of the third side, AB of triangle ABC
General
4 months ago
△BCD is a right triangle. The length of the hypotenuse is 19 centimeters. The length of one of the legs is 13 centimeters. What is the length of the other leg?Enter your answer, as a decimal rounded to the nearest tenth, in the box. cm
General
4 months ago
How would you describe the graph of a system of equations if the solution to the system were all real numbers
General
4 months ago
The tests done to determine if someone is HIV positive are called Enzyme immunoassay orEIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like mosttests, this test is not perfect. The table below shows the approximate probabilities of positiveand negative EIA tests when the blood does and does not actually contain the HIV antibodies.Long range studies have shown that only 2% of the population actually has the HIVantibodies.Test Result Positive NegativeAntibodies Present 0.9985 0.0015Antibodies NotPresent 0.006 0.994a) Explain in context all four values in the table. That is, what does each of them actuallymean?Construct a tree diagram to answer the following questions. The first two choices of the treeshould be whether or not the antibodies are present. The second choice should be the testresult. (What is the probability split for the first choice?)b) What is the probability that a person without HIV will have a test come out positive (this iscalled a false-positive)?c) What is the probability that a person with HIV will have a test come out negative (this iscalled a false negative)?d) What is the probability that a person with HIV will have a test come out positive?
General
4 months ago
In a large school district, 16 of 85 randomly selected high school seniors play a varsity sport. in the same district, 19 of 67 randomly selected high school juniors play a varsity sport. a 95 percent confidence interval for the difference between the proportion of high school seniors who play a varsity sport in the school district and high school juniors who play a varsity sport in the school district is to be calculated. what is the standard error of the difference?
General
4 months ago
Alisha bought a collection of 500 old pennies. she chose 20 pennies from the collection and recorded their dates. seven pennies had dates earlier than 1980. what is the best estimate of the percent of pennies in alisha's collection that have dates earlier than 1980? enter your answer in the box.
General
4 months ago
Calculate the shaded area
General
4 months ago
Maria has three children. There is two years age difference between each child. The total ages of all three children is 36 years. Tina is the youngest child. How old is Tina?Let T = the age of Tina.Which formula will calculate Tina's age? A) 3T+2=36B)T+2t+3t=36C) t+(t+2)+(t+4)=36D) t+2(t+2)+4(t+4)=36
General
4 months ago
Bluesky air has the best on-time arrival rate with 80% of its flights arriving on time. a test is conducted by randomly selecting 16 bluesky air flights and observing whether they arrive on time. what is the probability that 2 flights of bluesky air arrive late? (please carry answers to at least six decimal places in intermediate steps. give your final answer to the nearest three decimal places).
General
4 months ago
Complete the steps to factor the polynomial by grouping.P(x) = x3 + 5x2 – x – 5
General
4 months ago
Lisa earns $40.80 for 4 working hours on the days that she works part-time. She earns $81.6 for 8 working hours that she works full-time. How much money does earn per hour?
General
4 months ago
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