3 years ago

Which equation best models the set of data in this table?

Mathematics

2 answers:

exis [7]3 years ago

8 0

Answer:

the answer is A

Step-by-step explanation:

JulsSmile [24]3 years ago

4 0

Answer:

Step-by-step explanation:

its B

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alexandr1967 [171]

Answer:

87.6

Step-by-step explanation:

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2 years ago

What is -2(-y) in expanded form

damaskus [11]

Answer:

Step-by-step explanation:

$(-2)(-y) = (-1)(2)(-1)(y) = (-1)^2\ccdot 2y = 2y$

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2 years ago

In which quadrant or on which axis each of the following points lie.

AlekseyPX

Answer:

(-3,5) Quad 2

(4,-1) Quad 4

(2,0) Positive X axis

(2,2) Quad 1

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Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the equation of the line that passes through (4, 3) and (2, 2)?

anastassius [24]

(4,3)(2,2)
slope = (2 - 3) / (2 - 4) = -1/-2 = 1/2

y = mx + b
slope(m) = 1/2
use either of ur sets of points...(4,3)...x = 4 and y = 3
now we sub and find b, the y int
3 = 1/2(4) + b
3 = 2 + b
3 - 2 = b
1 = b

so ur equation is : y = 1/2x + 1 <==

4 0

3 years ago

According to the article "Fatigue Testing of Condoms" (Polymer Testing, 2009: 567–571), "tests currently used for condoms are su

daser333 [38]

Answer:

99% Confidence interval: (1196,1973)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 20

Mean, μ = 1584

Standard Deviation, σ = 607

99% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.01} = \pm 2.86$

$1584 \pm 2.86(\dfrac{607}{\sqrt{20}} )\\\\ = 1584 \pm 388.18\\ = (1195.82 ,1972.18)\\ \approx (1196,1973)$

Thus, there is a 99% chance that it will break in approximately 1196 to 1972

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3 years ago