Since this is an improper fraction, you simplify it into a mixed number.
4 goes into 6 1 time. 2 left left over, resulting in 1 2/4. Simplify that into
1 1/2
If you can’t answer all of them on time I recommend you to take a picture then write down the work that way you can say to the teacher these are the answers for the ones I left blank
Answer:
26°
Step-by-step explanation:
An obtuse triangle is a triangle that has one obtuse angle. Obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.
An isosceles triangle is a triangle that has two equal sides and angles.
Therefore, an obtuse isosceles triangle is a triangle with an obtuse angle and two equal sides that have two equal acute angles (angle less than 90° ).
Given:
The three angles of the triangle are given to be x°, x° and (10x−2) = 128°. The obtuse angle is 128°, the two x° are acute angles. We are not using equation 10x − 2 since the value of the obtuse angle has been given as 128°
The sum of angles in a triangle is 180°
∴ x° + x° + 128° = 180°
2x° = 180° - 128°
2x° = 52°
x° = 52° / 2
x° = 26°
The measurement of one of the acute angles is 26°
Answer:
Step-by-step explanation:
Given that in order to efficiently bid on a contract, a contractor wants to be 95% confident that his error is less than two hours in estimating the average time it takes to install tile flooring.
Std deviation =4.5 errors
95% confidence interval = Mean±1.96*std dev
Hence we have

Sample size should be 20.
Answer:
Roll a six-sided die five times. The numbers 1 to 4 represent a make,
and numbers 5 and 6 represent a miss. (Correct)
Spin a spinner with three equal sections five times. On the spinner,
one section represents a miss and two sections represent a make. (Incorrect)
Generate a set of five numbers using a number generator with the numbers
0 to 9.The numbers 0 to 7 represent a make, and 8 and 9 represent a miss. (Correct)
Generate a set of five numbers using a number generator with the numbers
0 to 5.The numbers 0 to 3 represent a make, and 4 and 5 represent a miss. (Incorrect)
Spin a spinner with five equal sections five times. On the spinner, four sections represent a make and one section represents a miss. (Correct)
Step-by-step explanation: