3 years ago

Describe one kind of diagram you might draw to help you solve a problem

1 answer:

6 0

You could use a pie chart that could help you solve the question of possibly what the favorite sport of a school is overall which can be shown on a pie chart

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The length of a rectangle is 4 times its width and the perimeter is 150

grandymaker [24]

Answer:

Y = W = 15 ft.

X= L = 60 ft.

So width is 15 and the length is 60.

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3 years ago

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Which of these is a correct statement?

Montano1993 [528]

Answer:

the answer is B because it has only one unknown and also it is a linear equation so it will have only one answer which is (2 )

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2 years ago

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Grace [21]

Answer:

2.9 years

Step-by-step explanation:

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2 years ago

Milo drives 126 miles on 7.5 gallons of gas. How far does he travel on each gallon of gas? 1.68 miles 16.8 miles 168 miles 1,680

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The answer is B. 16.8

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3 years ago

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Use determinants to find out if the matrix is invertible.

wariber [46]

Answer:

The matrix is not invertible.

Step-by-step explanation:

We are given the following matrix in the question:

$A =\left[\begin{array}{ccc}-5&0&1\\-1&3&2\\0&10&6\end{array}\right]$

Condition for invertible matrix:

A matrix is invertible if and only if the the determinant is non-zero.

We can find the determinant of the matrix as:

$|A| = -5[(3)(6)-(2)(10)]-0[(-1)(6)-(2)(0)] + 1[(-1)(10)-(3)(0)]\\|A| = -5(18-20)+(-10)\\|A| = 10-10\\|A| = 0$

Since the determinant of the given matrix is zero, the given matrix is not invertible.

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3 years ago