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NISA [10]
3 years ago
11

PLS HELP ME ASAP WITH QUESTION 30! THANK YOU SO MUCH!!!

Mathematics
1 answer:
nika2105 [10]3 years ago
8 0
30. is just asking where the two equations graphed intersect each other...

x = -3 and x = 1 for intersections.
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Which statement is true about the function f(x)= -x?
Oxana [17]

Answer:

Step-by-step explanation:

The domain of the graph is all real numbers.

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3 years ago
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I tried this few times can i get some help
mihalych1998 [28]

Answer:

Y=4 X= -6 or (-6,4)

Step-by-step explanation:

Okay so

3x+10y=22

-3x-8y=-14

  1. basically, it's like one big equation. First, subtract 3x from -3x which cancels out and gives us 0
  2. 10y minus 8y gives us 2y.
  3. 22 minus 14 gives us 8

3x+10y=22

<u>-3x-8y=-14</u>

0+2y=8

Now that we have this, we can solve for y. in order to do this, we have to divide both sides by 2.

\frac{2y}{2}  =  \frac{8}{2}

From here we know that y=4 because the 2s cancel out leaving y and 8 divided by 2 is 4.

y= 4

Now we can fill in. You can pick any equation for this but I'm going to chose the first one.

3x+10y=22

we can fill in 4 for y

3x+10(4)=22

3x+40=22

Next we are going to subtract 40 on both sides.

3x+40=22

-40 -40

3x= -18

Next, we're going to divide -18 by 3.

\frac{3x}{3}  =  \frac{  - 18}{3}

The 3s cancel out leaving us x. -18 divided by 3 is -6.

x= -6

Hope this helped!! :)

6 0
3 years ago
A swim instructor would like to test the effect of a new swim technique versus the standard technique for a group of 25 competit
elena-14-01-66 [18.8K]

Answer:

C

Step-by-step explanation:

got it right

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2 years ago
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Marina CMI [18]

Answer:

√ 15  + √ 10

Step-by-step explanation:

The answer is above                                                                            

3 0
3 years ago
A n =−1+3(n−1) an=−1+3(n−1) what is the 55 term in the sequence
Sindrei [870]
ANSWER

a_{55}=161


EXPLANATION

The general term for the sequence is


a_n=-1+3(n-1)


To find the 55th term, we have to substitute
n = 55
in to the general term and simplify.



This implies that,

a_{55}=-1+3(55-1)



a_{55}=-1+3(54)




a_{55}=-1+162



a_{55}=161


Therefore the 55th term is 161.
8 0
3 years ago
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