3 years ago

I can’t figure out how to do these aaanddddd I have test tomorrow soooo I’m worried

1 answer:

4 0

E.g. the rule is stated as "add 3", so the next number in the sequence would be 11+3
and so on with the other questions and their rules.

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How do You do solving system of equations by solving for a variable

In-s [12.5K]

Well, you have to do it with the substitution method now it's not easy, it takes some time to get used to it. I'm not really sure how to explain it but if you go on Khan Academy it will show you how to do it.

6 0

3 years ago

Rewrite in simplest terms -5(3u + 1) + 10

Luda [366]

Answer:

-15u+5

Step-by-step explanation:

open up the bracket -15u-5+10
liketerms together -15u+5
hence answer is -15u+5

8 0

3 years ago

Does anyone know this and if it is extraneous or not?

Anna11 [10]

Addd 4 to both sides
$\sqrt{x+9}=5$
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
$\sqrt{16+9}-4=1$
$\sqrt{25}-4=1$
$5-4=1$
1=1
true

not extraneous
an extraneous root would be x=-34

5 0

3 years ago

Answer question pls

solmaris [256]

Answer:

B,1/5

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Hello Math Solvers kindly help me with this!

postnew [5]