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3 years ago

Using α = .05, what are the critical values for the test statistic? (to 2 decimals) (+ or -

Mathematics

1 answer:

kari74 [83]3 years ago

7 0

I think it will be 0 and 0.1 simply go up 0.05 and down by 0.05 as well

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1/2 = 1/4 (×-10) how can I solve it

nikklg [1K]

Honestly just use photo math

3 0

3 years ago

Help I need help on this question

nevsk [136]

Answer:

1/3 is the y intercept

Step-by-step explanation:

f(x) = -2/9x + 1/3

This is written in slope intercept form

y = mx+b where m is the slope and b is the y intercept

-2/9 is the slope and 1/3 is the y intercept

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3 years ago

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Solve 2x + 3y = 11 and 2x - 4y = -24 and hence find the value of 'm' for which y=mx+3.

zhenek [66]

Answer:

m=-1

Step-by-step explanation:

2x+3y=11............. (eqn 1)

2x-4y=-24...........(eqn 2)

Subtract eqn 1 from eqn 2

7y=35

y=5

Substitute for y in eqn 1

2x+3(5)=11

2x+15=11

2x=11-15

2x=-4

x=-2

y=mx+3

5=-2m+3

5-3=-2m

2=-2m

m=-1

8 0

3 years ago

Read 2 more answers

8.) Write an inequality that can be used to represent this situation, where x represents Olivia’s sister’s age. (Short answer)

Bumek [7]

Answer:

The oldest age of Olivia’s sister can be 11 years.

Step-by-step explanation:

Given: Olivia’s sister’s age is x years.

To write: inequality that can be used to represent the given situation.

As Olivia is 6 years older than her sister,

Olivia's age $=x+6$

As the sum of their ages is no more than 28 years,

$x+(x+6)\leq 28\\2x+6\leq 28\\2x\leq 28-6\\2x\leq 22\\x\leq \frac{22}{2}\\ x\leq 11$

So, the oldest age of Olivia’s sister can be 11 years.

5 0

4 years ago

(x+4)(x-8). Express as a trinomial??

Juli2301 [7.4K]

Answer:

$x^2-4x-32$

Step-by-step explanation:

Hi there!

$(x+4)(x-8)$

Expand the parentheses

$=x(x-8)+4(x-8)\\=x^2-8x+4x-32\\=x^2-4x-32$

I hope this helps!

5 0

3 years ago