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3 years ago

Graph the system.

Mathematics

1 answer:

Kisachek [45]3 years ago

4 0

Answer:

for ed its 3.1

Step-by-step explanation:

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Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 11, 332 bonds

Alekssandra [29.7K]

Answer:

Probabilty of not poor= 0.75

Step-by-step explanation:

total of 11332 bonds.

7311 are good risk.

1182 are medium risk.

Poor risk

= total risk-(good risk+ medium risk)

= 11332-(7311+1182)

= 11332-8493

= 2839.

Poor risk = 2839

Probabilty that the ball choosen at random is not poor= 1 - probability that the ball is poor

Probability of poor = 2839/11332

Probabilty of poor= 0.2505

Probabilty that the ball choosen at random is not poor= 1- 0.2505

= 0.7495

To two decimal place= 0.75

3 0

3 years ago

Write this ratio as a fraction in the simplest form 3 feet to 63 inches

Lana71 [14]

Answer: The answer is 1/21

Step-by-step explanation:

7 0

3 years ago

Using the distrubutive proberty an experstion equvalent to 45+72

Colt1911 [192]

solution:

$45+72\\=(9\times 5)+(9\times 8)\\=9(5+8)\\=117$

3 0

3 years ago

This is the function f(x)= x2 − 4x + 6 .<br><br><br> What is the axis of symmetry?

kiruha [24]

Answer:

x = 2

Step-by-step explanation:

4 0

3 years ago

there are 148 juniors and 272 seniors attending prom this year. if there must be three chaperones per 60 students, how many chap

valkas [14]

21 chaperones are needed for 420 students.

Step-by-step explanation:

No. of juniors = 148

No. of seniors = 272

Total = 148+272 = 420 students

3 chaperones = 60 students

1 chaperone = $\frac{60}{3}=20\ students$

Ratio of chaperon to students = 1:20

Let,

x be the number of chaperons for 420 students.

Ration of chaperones to students = x:420

Using proportion

Ratio of chaperones to students :: Ratio of chaperons to students

$1:20::x:420$

Product of mean = Product of extreme

$20*x=420*1\\20x=420\\$

Dividing both sides by 20

$\frac{20x}{20}=\frac{420}{20}\\x=21$

21 chaperones are needed for 420 students.

Keywords: ratio, proportion

Learn more about ratios at:

#LearnwithBrainly

3 0

3 years ago