Rewrite (w+4)+(-3) using associative property

Answers

Answer 1

Answer: (w+4)+(-3)
w+4-3
w+1
answer=w+1

Answer 2

Answer: the answer is -3w - 12
hope it helps
can l please have brainliest answer?

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Michele is averaging 17 hits for ever 35 times a bat. If she maintains this average, how many at bats will she need in order to get 34 hits

Answers

She will need 70 at bats in order to get 34 hits.

Help please! I’ll give brainliest!

Answers

Answer:the last one

Step-by-step explanation:

Seventy percent of light aircraft that disappear while in flight in a certain country are subsequently discovered. Of the aircraft that are discovered, 60% have an emergency locator, whereas 90% of the aircraft not discovered do not have an emergency locator. Suppose that a light aircraft has disappeared.a) If it has an emergency locator, what is the probability that it will not be discovered?b) If it does not have an emergency locator, what is the probability that it will be discovered?c) If we consider 10 light aircraft that disappeared in flight with an emergency recorder, what is the probability that 7 of them are discovered?

Answers

Answer:

Figure out the various probabilities first, that will make the rest of the questions easier:

P(discovered) = .7

P(not discovered) = 1 - .7 = .3

P(locator|discovered) = .6

P(no locator|discovered) = 1 - .6 = .4

P(locator|not discovered) = 1 - .9 = .1

P(no locator|not discovered) = .9

P(discovered and locator) = .7 * .6 = .42

P(discovered and no locator) = .7 * .4 = .28

P(not discovered and locator) = .3 * .1 = .03

P(not discovered and no locator) = .3 * .9 = .27

a) The total probability that an aircraft has a locator is .42 + .03 = .45. So the probability it will not be discovered, given it has a locator, is .03/.45 = .067

b) The total probability that an aircraft does not have a locator is .28 + .27 = .55. So the probability it will be discovered, given it does not have a locator, is .28/.55 = .509

c) Probability that 7 are discovered = C(10,7) * P(discovered|locator)^7 * P(not discovered|locator)^3

We already figured out P(not discovered|locator) = .067, so P(discovered|locator) = 1-.067 = .933. C(10,7) = 10*9*8, so we can compute total probability: 10*9*8 * .933^7 * .067^3 = .133

Step-by-step explanation:

Divide the following polynomial.

(x^2 - 4) (x - 1)

Answers

(x2 + x + 2) • (x - 2)

—————————

x - 1

x-1 is the answer!!!!! :)

Questions number 1 How much paper is used for the label of the container, which covers the lateral surface area of the cylinder? Round your answer to the nearest tenth.
question number 2
what volume of oats will fill the container? Round your answer to the nearest tenth.

Answers

9514 1404 393

Answer:

145.3 square inches

Step-by-step explanation:

The lateral area of the cylinder is given by ...

LA = 2πrh

LA = 2π(2.5 in)(9.25 in) = 46.25π in²

LA ≈ 145.3 in²

About 145.3 square inches of paper is used for the label.

the area of the triangle is 2/5 square foot the height is 6/5 ft. what is the length in feet of the base of the triangle?

Answers

$\bf \textit{area of a triangle}\n\nA=\cfrac{1}{2}bh~~\begin{cases}A=(2)/(5)\n\nh=(6)/(5)\end{cases}\implies \cfrac{2}{5}=\cfrac{1}{2}\left( b\cdot \cfrac{6}{5} \right)\implies \cfrac{2}{5}=\cfrac{6b}{10}\n\n\n\cfrac{20}{5}=6b\implies \cfrac{20}{30}=b\implies \cfrac{2}{3}=b$

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Let a, b, and c be integers. Consider the following conditional statement: If a divides bc, then a divides b or a divides cWhich of the following statements have the same meaning as this conditional statement, which ones are the negations, and which ones are not neither? Justify your answers using logical equivalences or truth tables. A) If a does not divide b or a does not divide c, then a does not divide bc. B) If a does not divide b and a does not divide c, then a does not divide bc. C) If a divides bc and a does not divide c, then a divides b. D) If a divides bc or a does not divide b, then a divides c. (e) a divides bc, a does not divide b, and a does not divide c.

HELP ME I WILL GIVE BRAINLIEST California has a population of approximately 4 × 10^7 people and South Dakota has a population of approximately 8 × 10^5 people.