In the figure below, if angle ZYX measures 23 degrees, then arc XY measures 45 degrees.
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Answer:
School needs to collect at least 144 box tops each day to meet their goal.
Step-by-step explanation:
The total requirement of box tops = 2,000
The number of box tops they have already received = 872
So, the box tops left = Total number required- Number of tops received
=2,000 - 872
= 1,128 box tops are left so far.
Number of days left = 8
So, number of minimum tops needed each day =
=
Hence, they need to collect at least 144 box tops each day to meet their goal.
The value of the expression a - b + c + d will be 7.
<h3>What is the matrix?</h3>A matrix is a specific arrangement of items, particularly numbers. A matrix is a row-and-column mathematical structure. The a_{ij} element in a matrix, such as M, refers to the i-th row and j-th column element.
The system of equations are given below.
5x + 7y = 7
3x - 2y = 9
Then the equations can be written in the form of matrix. Then we have
Then the value of a, b, c, and d will be
a = 5, b = 3, c = 7, and d = -2
Then the value of the expression will be
a - b + c + d = 5 - 3 + 7 - 2
a - b + c + d = 12 - 5
a - b + c + d = 7
More about the matrix link is given below.
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