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Kay [80]
3 years ago
8

Which points are possible approximations for this system? Select two options. (1.9, 2.5) (2.2, –1.4) (2.2, –1.35) (1.9, 2,2) (1.

9, 1.5)
Mathematics
2 answers:
Rudiy273 years ago
4 0

Answer:

second: (2.2,-1.4)

third: (2.2,-1.35)

Step-by-step explanation:

svet-max [94.6K]3 years ago
4 0

Answer:

2nd and 3rd

Step-by-step explanation:

                                             

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Find the critical value t for the confidence level c= 0.98 and sample size n=7.
kenny6666 [7]

Answer:

The critical value is T = 3.143.

Step-by-step explanation:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 7 - 1 = 6

98% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 6 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.98}{2} = 0.99. So we have T = 3.143.

The critical value is T = 3.143.

8 0
3 years ago
PLEASE HELP WILL GIVE BRAINLY!!!!!!!!!!!!!!!!!!!!!Which equation, when graphed, has x-intercepts at (−1, 0) and (−5, 0) and a y-
leva [86]

Answer:

f(x) = −6(x + 1)(x + 5)

Step-by-step explanation:

f(x) = −6(x + 1)(x + 5) & f(x) = −5(x + 1)(x + 5) are the only ones on the correct side of the y-axis, and f(x) = −6(x + 1)(x + 5) has a y-intercept of -30.

7 0
2 years ago
Read 2 more answers
The Suarez family paid $16.50 for 3 movie tickets. How much would they have paid for 12 tickets?
Dominik [7]

Answer:

It will cost 66 dollars for 12 tickets

Step-by-step explanation:

We can write a ratio to solve.

16.50       x

-------- = ----------

3            12

Using cross products

12 * 16.50 = 3x

198 = 3x

66 = x

It will cost 66 dollars for 12 tickets

3 0
2 years ago
The product of three consecutive<br> numbers CANNOT be:<br> A 210<br> B. 336<br> C. 560<br> D. 1716
TiliK225 [7]

Answer:

The answer is C

Step-by-step explanation:

7 0
2 years ago
x+4y=17 and -x-6y=-23 what's the x and y I really badly need this I need this so I can play at my basketball game tommorw and I
loris [4]

<u>Answer:</u>

  • x = 5
  • y = 3

<u>Solution:</u>

  • => x + 4y = 17

            -x - 6y = -23

  • => -2y = -6
  • => y = 3

<u>Now, let's substitute the value of y into the first equation.</u>

  • x + 4y = 17
  • => x + 4(3) = 17
  • => x + 12 = 17
  • => x = 5

<u>Let's check our answer to make sure it is correct.</u>

<u>Check:</u>

  • -x - 6y = -23
  • => -(5) - 6(3) = -23
  • => -5 - 18 = -23
  • => -23 = -23

Hence, this is proven correct.

Hoped this helped.

BrainiacUser1357

7 0
2 years ago
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