Please help!!!! ( 14 points)
1 answer:
Answer: yes
Step-by-step explanation:
We first have to find the surface area of the cube.
The surface are of a cube is six times the area of one of its faces, as it is made up of six congruent squares.
The area of one of its faces is , so in this case it will be 13(13) = 169.
So the surface area of this particular cube is 169(6) = 1014
The piece of wrapping paper is 1352 , and 1352 is greater than 1014, so he will have enough wrapping paper to cover the cube.
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Answer:
The grade on the fifth test that will give you a mean score of at least 85 is 87
Step-by-step explanation:
From the question, the grades on 4 math tests are 79,85,86, and 88.
To determine the grade on the fifth test that will give a mean score of at least 85,
Let the grade on the fifth test be x,
From the formula for mean
Mean = Sum of terms / Number of terms
That is,
85 = (79 + 85 + 86 + 88 + x) / 5
x = 87
Hence, the grade on the fifth test that will give you a mean score of at least 85 is 87.
Your answer is 130... if you have any questions feel free to ask...
