Pleas help I will give brainliest also please show how you did it please

Mathematics

2 answers:

lukranit [14]3 years ago

5 0

Answer:

n ≥ -1 or n ≤ 3

Combined:

-1 ≤ n ≤ 3

Since the inequalities are ≤, it'll be a closed circle

The closed circle will start AT -1 and another closed circle will end at 3

Serggg [28]3 years ago

4 0

Answer:

for n ≤ 3

we are going to put a circle on the 3 and make it filled in then you are going to start an arrow starting from the 3 going to the left all the way to the -10.

You might be interested in

Tubas, trombones and French horns are bass instruments. Fully stretched out, the length of a tuba is 18 feet. The length of a tr

Stells [14]

What I would do is convert the fractions to decimals (just personal preference) making the trombone 8.93 feet and the french horn 17.21 feet. The tuba would be 0.79 feet longer than the french horn, and the french horn would be 8.23 feet longer than the trombone. However, if you need the answer to remain a fraction, the tuba would be 11/14 feet longer than a french horn, and a french horn would be 8 3/14 feet longer than a trombone.

3 0

3 years ago

The perimeter of a rectangle can be found using the expression 2L+2W where L represents length and w represents width. Find the

RSB [31]

Answer:

18 units

Step-by-step explanation:

Let's write out that perimeter formula: P = 2L + 2W.

Substitute 6 for L and 3 for W: P = 2(6) + 2(3) = 18 units.

7 0

3 years ago

A group of engineers developed a new design for a steel cable. They need to estimate the amount of weight the cable can hold. Th

igor_vitrenko [27]

Answer:

The 95% confidence interval for the mean breaking weight for this type cable is (767.47 lb, 777.13 lb).

Step-by-step explanation:

Our sample size is 41

The first step to solve this problem is finding our degrees of freedom, that is, the sample size subtracted by 1. So

$df = 41-1 = 40$

Then, we need to subtract one by the confidence level $\alpha$ and divide by 2. So:

$\frac{1-0.95}{2} = \frac{0.05}{2} = 0.025$

Now, we need our answers from both steps above to find a value T in the t-distribution table. So, with 40 and 0.025 in the two-sided t-distribution table, we have $T = 2.021$