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Sidana [21]
3 years ago
15

Help please :) I will show the next questions in the other one so please answer them.

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0

Answer:

Can you please take a better picture

Step-by-step explanation:

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Hassan scores 40 out of 70 in a test. Kate scores 40% in the same test.
GaryK [48]

Answer:

Hassan

Step-by-step explanation:

Hassan got 57%

Kate got 40%

Hope this helped!

3 0
3 years ago
Use a matrix equation to solve the system of linear equations. left brace Start 2 By 1 Matrix 1st Row 1st Column 2nd Row 1st Col
natali 33 [55]

Answer:

\left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]

Step-by-step explanation:

The matrix system for the linear equations: x + 2y = 8, 2x + 6y = 9

\left[\begin{array}{ccc}1&2&\\2&6\\\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}8\\9\end{array}\right]

To get the coefficient of x and y, the inverse of the first matrix (let the first matrix be A) must be known.

A^{-1} = (1 / determinant of A) x Adjoint of A

the determinant of A = (1 x 6) - (2 x 2) = 6 - 4 = 2

Adjoint of A = \left[\begin{array}{ccc}6&-2&\\-2&1\\\end{array}\right]

A^{-1}= \frac{1}{2} \left[\begin{array}{ccc}6&-2\\-2&1\end{array}\right] = \left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]

4 0
2 years ago
A recipe calls for 3 cups of sugar and 9 cups of water. How many cups of water should be used with 12 cups of sugar?
Yuki888 [10]

Answer:

36

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can someone give me the equation to all and the riddle.?!
valentinak56 [21]

Answer:

Whats the riddle

Step-by-step explanation:

8 0
3 years ago
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EXPLAIN how you find the volume of hexagonal
Slav-nsk [51]
To find the volume of a regular hexagonal prism, we can use the formula V = 3ash, where a = apothem length, s = length of a side of the base, and h = height of the prism.
5 0
3 years ago
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