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3 years ago

Math homework pls help

Mathematics

1 answer:

ivann1987 [24]3 years ago

3 0

Answer:

I believe it is A. Since the p-value is less than the significance level, you must reject the null hypothesis.

Step-by-step explanation:

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What are the solutions to the equation?

viva [34]

$\qquad\qquad\huge\underline{{\sf Answer}}♪$

Let's solve ~

$\qquad \sf \dashrightarrow \:f(x) = g(x)$

$\qquad \sf \dashrightarrow \:x + 2 = - {x}^{2} + 4$

$\qquad \sf \dashrightarrow \: {x}^{2} + x + 2 - 4 = 0$

$\qquad \sf \dashrightarrow \: {x}^{2} + x - 2 = 0$

$\qquad \sf \dashrightarrow \: {x}^{2} + 2x - x - 2 = 0$

$\qquad \sf \dashrightarrow \:x(x + 2) - (x + 2) = 0$

$\qquad \sf \dashrightarrow \:(x + 2)(x - 1) = 0$

Hence, x = -2 or x = 1

4 0

3 years ago

Please help ill mark brainliest ✅✅✅✅

shepuryov [24]

Answer:

i think y=3/4x-4.2

Step-by-step explanation:

4 0

3 years ago

The volume of a sphere with a diameter of 6

KiRa [710]

Answer:

113.1

Step-by-step explanation:

Formula: V=4/3pi radius^3

radius = 1/2 diameter

plug it in

3 0

3 years ago

Let E1 be the event that tails come up when the coin is tossed the first time and E2 be the event that heads come up when the co

Norma-Jean [14]

Answer:

Step-by-step explanation:

In the tossing of a fair coin, there are equal probabilities of getting a HEAD and getting a TAIL.

Total probability is always 1 and a coin has 2 faces - Head & Tail.

The probability of getting a Head is 1/2 = 0.5

The probability of getting a Tail is 1/2 = 0.5

E1 is the event that TAIL comes up when the coin is tossed the first time

E2 is the event that HEAD comes up when the coin is tossed the second time

The probability value for EVENT 1 is 0.5

The probability value for EVENT 2 is 0.5

8 0

4 years ago

What is the value of x in the equation 2(x – 3) + 9 = 3(x + 1) + x?

jeyben [28]

2(x-3)+9=3(x+1)+x
2x-6+9=3x+3+x
2x+3=4x+3
-2x -2x
3=2x+3
-3 -3
0=2x
x=0

8 0

3 years ago