2 years ago

Logan is doing a handstand dive from a 12 meter platform. The equation that

1 answer:

3 0

7.1 meters
First replace t with 1
-4.9(1)^2+12
(1)^2= 1
-4.9 times 1 is -4.9
12-4.9=7.1
Hence 7.1 meters

Hope this helps!

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Farrah borrowed $155 from her brother. She has already paid back $15. She plans to pay back $35 each month until the debt is pai

Sedbober [7]

B) 35x + 15 = 155
E) It will take 4 months to pay off the debt.
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3 years ago

Read 2 more answers

-9-(-5) is the same as

Alex_Xolod [135]

Answer:

- 4

Step-by-step explanation:

= - 9 - (- 5)

= - 9 + 5

= - 4

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3 years ago

How is a good way on how to know how to solve linear equations with a variable on each side?

uranmaximum [27]

If the variable is the same you can combine it

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3 years ago

Translate the following sentence into an equation using n for the unknown number. Then solve for n. when 15 is decreased by thre

saw5 [17]

Answer:

n=-2,A

Step-by-step explanation:

15-3n=21

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5 0

3 years ago

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.

5 0

3 years ago