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3 years ago

Calculate the determinant of this matrix step 1: what is the first step

Mathematics

2 answers:

bagirrra123 [75]3 years ago

7 0

Answer:

Step 1: Rewrite the first two columns of the matrix.

Step 2: Multiply diagonally downward and diagonally upward.

Step 3: Add the downward numbers together.

Step 4: Add the upward numbers together.

Step-by-step explanation:

hope this helps ;)

stepan [7]3 years ago

3 0

Answer:

On edgenuity its "augment the matrix by copying columns 1 and 2 to the right of the matrix"

Step-by-step explanation:

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which of the following shows 27/54 written in prime facrtored form to help in reducing the fraction to simplest form

Amiraneli [1.4K]

27= 3x3x3

54 = 3x3x3x2

so 27/54 = 3x3x3 /3x3x3x2 by simplifying = 1/2

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3 years ago

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Explain how you can write 3/2 as the product of a whole number and a unit fraction.

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Answer:

Step-by-step explanation:

When 3 is divided by 2, the quotient is 1 and remainder is 1

Whole number is the quotient.

Fraction : remainder

divisor

$1\frac{1}{2}$

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4 years ago

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If sin(A+B)=1/2 & sin(A-B)=1/3 find sin(2A)

timofeeve [1]

Answer:

sin(2A) = (2√2 + √3) / 6

Step-by-step explanation:

2A = (A+B) + (A−B)

sin(2A) = sin((A+B) + (A−B))

Angle sum formula:

sin(2A) = sin(A+B) cos(A−B) + sin(A−B) cos(A+B)

sin(2A) = 1/2 cos(A−B) + 1/3 cos(A+B)

Pythagorean identity:

sin(2A) = 1/2 √[1 − sin²(A−B)] + 1/3 √[1 − sin²(A+B)]

sin(2A) = 1/2 √(1 − 1/9) + 1/3 √(1 − 1/4)

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3 years ago

Chemists use pH as a measure of acidity or alkalinity of a solution. It uses the concentration of hydrogen ions H+ in a logarith

SpyIntel [72]

Answer:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Step-by-step explanation:

Given

$f(d) = (0.5 * 10^{-4})^d$

$g(H+) = -log_{10}(H+)$

Required

Find the composite function g(f(d))

We have:

$g(H+) = -log_{10}(H+)$

Substitute f(d) for H+

$g(f(d)) = -log_{10}(f(d))$

Substitute $f(d) = (0.5 * 10^{-4})^d$

$g(f(d)) = -log_{10}((0.5 * 10^{-4})^d)$

Apply law of logarithm

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Hence, the function is:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

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Answer:

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