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3 years ago

7

Write the following in interval notation: x≤7 and x>5

1 answer:

satela [25.4K]3 years ago

7 0

Answer:

Mar 25, 2017 · 1 answer

XXXx∈[−2,+7) would mean −2≤ x<7. XXXx∈(4,+∞) would mean 4<x (with no upper limit). For the given case. XXXx<3 implies x<5

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What is the final amount if 1584 is decreased by 18% followed by a 19% increase?

Oksi-84 [34.3K]

Answer:

$1,545.67$

Step-by-step explanation:

step 1

if 1,584 is decreased by 18%

we know that

$100\%-18\%=82\%=82/100=0.82$

Multiply the number by 0.82

$1,584(0.82)=1,298.88$

step 2

The number 1,298.88 is increased by a 19%

we know that

$100\%+19\%=119\%=119/100=1.19$

Multiply the number by 1.19

$1,298.88(1.19)=1,545.67$

3 0

3 years ago

Kensington charges $20 per hour, h, teaching music lessons. Last year, Kensington earned $37,705, including tips, t. Given this

maw [93]

Answer:B-t=37705-20h

Step-by-step explanation:The answer is B because you need to get rid of all of the money she made working so you subtract 20 by how ever many hours she has worked

5 0

3 years ago

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geniusboy [140]

The length of a rectangle is 4 cm less than twice the width. express as an integer the maximum width of the rectangle when the perimeter is less than 78 cm.

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3 years ago

Write a slope intercept form equation through given points . (18, 14), (-6, -19)

Kobotan [32]

Answer:

y-14=11/8(x-18)

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-19-14)/(-6-18)

m=-33/-24

m=33/24

simplify

m=11/8

y-14=11/8(x-18)

6 0

3 years ago

In a recent year, 304 of the approximately 300,000,000 people in the United States were struck by lightning. Estimate the prob

umka2103 [35]

Answer:

$\frac{19}{18,750,000}=0.0000010133333333$

Step-by-step explanation:

We have been given that in a recent year, 304 of the approximately 300,000,000 people in the United States were struck by lightning.

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Number of possible outcomes}}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{304}{300,000,000}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{19}{18,750,000}$

$\text{P( A randomly selected person in the United States will be struck by lightning this year)}=0.0000010133333333$

Therefore, the probability that a randomly selected person in the United States will be struck by lightning this year is $\frac{19}{18,750,000}=0.0000010133333333$ .

6 0

3 years ago

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