Please help its a math problem please see image attached

Mathematics

1 answer:

pickupchik [31]2 years ago

4 0

Answer:

(-∞, ∞)

Step-by-step explanation:

Solving :

Lowest x-value is -2
2 options have the lowest value as 0
Hence, the correct option is : (-∞, ∞)

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Enter the value of p so that the expression 18n + 54 is equivalent to 2p (n+3)

alukav5142 [94]

Answer:

p = 9

Step-by-step explanation:

The distributive property can be used to factor the given expression.

18n +54 = 18(n +3)

Matching this to the desired form, we see ...

18(n +3) = 2p(n +3)

2p = 18

p = 9 . . . . . . . divide by 2

8 0

2 years ago

The y-value of y = tan(x) when x = -90° and x = 90° is 0.<br><br> True<br><br> False

Lyrx [107]

We know, Tanx = sinx / cosx
Tan 90 = sin90 / cos 90
Tan 90 = 1/0

As zero is in the denominator, it can't be defined.

In short, Your Answer would be: "False"

Hope this helps!

5 0

4 years ago

car a travels 180 in 3 hours. car b travels 100 miles in 2 hours. how far apart will the cars be in 4 hours

Arlecino [84]

you would divide 180 and 3, that's how much car a travels in an hour. Do the same for car b so 100÷2

you would get 60 for 'a' and 50 for 'b'

but you still need to find how much in four hours so you would times those numbers by 4

car a- 240 in 4 hours

car b- 200 in 4 hours

so they would be 40 apart

hope that made sense :)

6 0

3 years ago

A man who moves to a new city sees that there are two routes he could take to work. A neighbor who has lived there a long time h

lawyer [7]

Answer:

The 95% confidence interval for the difference between the Route B and Route A commuting times is -3.771808 to 1.771808

Step-by-step explanation:

Here we have the confidence interval is given by the following equation;

$\left (\bar{x}_1-\bar{x}_{2} \right ) - z_{c}\sqrt{\frac{\sigma _{1}^{2}}{n_{1}}-\frac{\sigma _{2}^{2}}{n_{2}}}< \mu _{1}-\mu _{2}< \left (\bar{x}_1-\bar{x}_{2} \right ) + z_{c}\sqrt{\frac{\sigma _{1}^{2}}{n_{1}}-\frac{\sigma _{2}^{2}}{n_{2}}}$