3 years ago

Thank u :)!! for the help

Mathematics

1 answer:

Alla [95]3 years ago

5 0

11 pls mark me brainliest

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If At = -A then A is said to be

Anarel [89]

Answer:

A square matrix whose transpose is equal to its negative is called a

SKEW-SYMMETRIC matrix.

Step-by-step explanation:

3 0

3 years ago

Given that cos 63°≈ 0.454, enter the sine of a complementary angle.<br> sin

jek_recluse [69]

Answer:

$\cos(63^\circ)$ is the same as $\sin(27^\circ)$ by co-function identities

Step-by-step explanation:

Remember that complementary angles add up to 90°. The angle that i s complementary to 63° is 27°.

Also recall the co-function identities:

sin (90° – x) = cos x
cos (90° – x) = sin x

This means that $\cos(90^\circ-27^\circ)=\sin(27^\circ)\approx0.454$ .

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2 years ago

5(6x - 1) - 10x + 5 = 4(x + 10) - 4x

Dmitry [639]

Answer:

x=2

Step-by-step explanation:

5(6x-1)-10x+5=4(x+10)-4x

simplify both sides

30x-5-10x+5=4x+40-4x

Simplify even further

20x=40

x=2

3 0

3 years ago

True or false: the output correspond to the vertical axis

liraira [26]

True the output or dependent variable is on the y (vertical) axis

5 0

3 years ago

Jaylon is standing 42 feet above sea level and his Christian is swimming at a depth of 17 feet below sea level

Rzqust [24]

Answer:

59 feet

Step-by-step explanation

42+17

7 0

2 years ago