2 years ago

Smb help w this pls asap

Mathematics

1 answer:

kolbaska11 [484]2 years ago

7 0

Answer:

Step-by-step explanation:

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SOMEONE PLEASE HELP ME ASAP PLEASE!!!!

ehidna [41]

Answer:

Therefore,

$a_{21}=2$

Step-by-step explanation:

Given:

$A=\left[\begin{array}{ccc}3&6&9\\2&4&8\\\end{array}\right]$

To Find:

a₂₁ = ?

Solution:

Let,

$A=\left[\begin{array}{ccc}a_{11}&a_{12}&a_{13}\\a_{21}&a_{22}&a_{23}\\\end{array}\right]$

We require ' a₂₁ ' i.e Second Row First Column Element

So on Comparing we get

∴ $a_{21}=2$

Therefore,

$a_{21}=2$

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3 years ago

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cluponka [151]

Answer: add

Step-by-step explanation:

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2 years ago

-3 17/20 as a decimal

alekssr [168]

Answer:

-3.85

-3 is a whole number, it comes before the decimal point.

17/20 is a fraction so it goes on the other side.

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3 years ago

Y = –x + 4 in standard form

kompoz [17]

Answer:

x-y=4

Step-by-step explanation:

y=x−4

The standard form of a linear equation is

Ax+By=C.

Rewrite the equation with the sides flipped.

x−4=y

Move all terms containing variables to the left side of the equation.

Tap for more steps...

x−y−4=0 Add 4

to both sides of the equation.

x−y=4

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3 years ago

If the measure of an angle is 10 degrees find the measure of its supplement ?

IrinaK [193]

Supplementary angles are 180 in total, so to find the answer you do 180-10, which equals 170. The answer is 170

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