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3 years ago

Solve: |v + 8| − 5 = 2

Mathematics

2 answers:

marissa [1.9K]3 years ago

4 0

The answer would be v = -1 ,-15

AveGali [126]3 years ago

3 0

Answer:

v¹= -15, v²= -1

Step-by-step explanation:

there's 2 solutions to this

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4 times a number is 16

andrey2020 [161]

Answer:

4 times 4 equals 16

Step-by-step explanation:

4 times 1= 4

4 times 2= 8

4 times 3= 12

4 times 4= 16

you add 4 after each result.

4 0

3 years ago

Help find the domain pls i’ll rate beainliest

kvv77 [185]

Answer: D (-∞, ³⁄₂)

1. Find non - negative values for radicals. x ≤ ³⁄₂

2. Find undefined (singularity) points. x = ³⁄₂

3. Combine real regions and undefined points for final domain.

Final answer: x < ³⁄₂

6 0

2 years ago

A carton of juice contains. 64 ounces. Ms Wilson brought 6. of juice how many ounces of juice did she buy

kupik [55]

You multiply by 6

64 * 6 = 384

3 0

3 years ago

Read 2 more answers

(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00

Gemiola [76]

Answer:

A= 75686400

B= 7568640000

C= 75686400000

Step-by-step explanation:

1 day= 1440 min

1 year= 365 days

365 days*1440 min= 525600 min , 1 year= 525600 min

525600 min*2 years= 1051200 min

(in 2 years) 72 beats*1051200 min= 75686400

(in 200 years) 75686400*100= 7568640000

(in 2000 years) 7568640000*10 =75686400000

3 0

3 years ago

A biology quiz consists of twelve multiple-choice questions. Eight must be answered correctly to receive a passing grade. If eac

Alex787 [66]

Answer:

There is a 0.058% probability that this student will pass the examination.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either it is correct, or it is wrong. This means that we can solve this problem using the binomial probability distribution.

Binomial probability distribution:

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinatios of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In this problem

There are 12 questions, so $n = 12$ .

The student guesses each question. There are five possible answers, only one which is correct, so $p = 0.2$ .

What is the probability that a student who guesses at random on each question will pass the examination?

This is $P(X \geq 8)$

$P(X \geq 8) = P(X = 8) + P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12)$

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 8) = C_{12,8}.(0.2)^{8}.(0.8)^{4} = 0.000519$

$P(X = 9) = C_{12,9}.(0.2)^{9}.(0.8)^{3} = 0.000058$

$P(X = 10) = C_{12,10}.(0.2)^{10}.(0.8)^{2} = 0.000004$

$P(X = 11) = C_{12,11}.(0.2)^{11}.(0.8)^{1} = 0.0000002$

$P(X = 12) = C_{12,12}.(0.2)^{12}.(0.8)^{0} = 0.000000004$

$P(X \geq 8) = P(X = 8) + P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12) = 0.000519 + 0.000058 + 0.000004 + 0.0000002 + 0.000000004 = 0.00058$

There is a 0.058% probability that this student will pass the examination.

6 0

2 years ago