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azamat
3 years ago
12

Which matrix will always give a determinant of 0?

Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0

Answer:

It's D, a matrix having two equal rows

Step-by-step explanation:

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When x increases from a to a +2, y increases by a factor of 1/4
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Answer:

y=7* (0.5)^x

Step-by-step explanation:

We are given that when x increases from 'a' to 'a+2' then y must increase by a factor of 1/4=0.25.

i.e. when x=a and x'=a+2.

then y/y=0.25 where y' is the function after putting x' to the old function.

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2 years ago
I need help on this question anyone please help
Bond [772]

Answer: B.

Step-by-step explanation:

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3 years ago
Simplify the following expression<br> by combining like terms.<br> 3b + 8 – 3- b = 2b + [?]
babymother [125]
The missing term is 5
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3 years ago
Find m\angle Cm∠Cm, angle, C.<br> Round to the nearest degree.<br><br> Help Course Challenge
astra-53 [7]
Hello,

1. Since Angle C has the longest side for this triangle, it will have the largest degree value.

2. Use the Law of Cosines and inverse properties of “theta” to solve for Angle C. (Ensure that the calculator used is in “degree mode”, not “radian mode”.

c^2 = a^2 + b^2 - 2(a)(b)(cos (C))
15^2 = 11^2 + 14^2 - 2(11)(14)(cos(C))
225 - 317 = -2(11)(14)(cos(C))
-92 / -2(11)(14) = cos(C)
cos(C) becomes ->> cos^-1[92 /-2(11)(14)] = 72.62° ->> to the nearest degree is 73°

The answer for angle C, 73°, is logical because the triangle in the picture represents a 60-60-60 triangle, known as an equilateral triangle.

Good luck to you!
5 0
3 years ago
Read 2 more answers
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