2 years ago

Is this correct? If not plz get answers 25points!!!

Mathematics

1 answer:

katen-ka-za [31]2 years ago

8 0

That is correct.

Sqrt 5 x sqrt20

Apply the radical rule to get sqrt( 5 x 20)

Simplify to get sqrt(100)

Sqrt(100) = 10

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Will give 25 points and brainliest answer if correct

Norma-Jean [14]

Let $d$ be the common difference between terms in the sequence $\{a_n\}_{n\ge1}$ . Then

$a_{19}=-58$
$a_{20}=a_{19}+d$
$a_{21}=a_{19}+2d$
$\implies-164=-58+2d\implies d=-53$

The first term in the sequence, $a_1$ , satisfies

$a_2=a_1+d$
$a_3=a_1+2d$
$a_4=a_1+3d$
...
$a_{19}=a_1+18d$
$\implies-58=a_1+18(-53)\implies a_1=896$

So the explicit formula for the $n$ -th term in the sequence is

$a_n=a_1+(n-1)d\implies a_n=896-53(n-1)$

5 0

3 years ago

What is the y-intercept of the line given by the equation y= 3x + 4?

DIA [1.3K]

Answer:

the y intercept is 4

Step-by-step explanation:

the 4 is where the line starts so it would be (0,4)

8 0

3 years ago

Read 2 more answers

How do you simplify 2i<6u?