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8_murik_8 [283]
3 years ago
12

HELP ME PLEASE ILL BRAINLIEST YOU IF YOU GET IT RIGHT

Mathematics
2 answers:
puteri [66]3 years ago
6 0
The correct answer is c
denis23 [38]3 years ago
5 0
The correct answer would be C
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What is the value of the missing variable?<br> 2x+4 = 20
Gemiola [76]

Answer:

the answer is X=8

Step-by-step explanation:

2(8)+4=20

3 0
3 years ago
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(1 point) Some shrubs have the useful ability to resprout from their roots after their tops are destroyed. Fire is a particular
ziro4ka [17]

Answer:

The answer is "0.45 \pm 0.18204"

Step-by-step explanation:

For the +4 sample proportion= \frac{(7+2)}{(16+4)} =  \frac{9}{20} = 0.45

Sample percentage measurements estimated stdev

= \sqrt{\frac{[(0.45)(1-0.45)]}{[(16+4)]}}\\\\ = \sqrt{\frac{[(0.45)(0.55)]}{[(20)]}}\\\\ = \sqrt{\frac{0.2475}{20}}\\\\= \sqrt{0.012375}\\\\=0.111

Calculating the critical z for a=0.1, two-tailed = 1.64

Calculating the confidence interval:

= 0.45 \pm 0.111 \times 1.64 \\\\= 0.45 \pm 0.18204

4 0
3 years ago
One x-intercept for a parabola is at the point (-2,0).
BARSIC [14]
You can find the x intercept by setting y to 0 and factor the equation.

0=2x^3+3x-2
0=(2x-1)(x+2)

We can make this equation =0 if x is -2 and 1/2.

So the x intercepts are (-2,0) and (0.5,0)
8 0
3 years ago
The endpoints of AB are -1 and 9. Find the coordinate of the point P that partitions the segment in the ratio 1:4
masya89 [10]

Answer:

1

Step-by-step explanation:

P = -1 + [ 1/(1+4) × (9- (-1)) ]

= -1 + (1/5 × 10)

= -1 +2

= 1

7 0
3 years ago
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What is 0.79 as a fraction?
Burka [1]
The answer to this question is 79 over 100.
7 0
3 years ago
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