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2 years ago

I need help solving this problem.

Mathematics

2 answers:

Ksju [112]2 years ago

7 0

Answer:

the answer is 8/7

Step-by-step explanation:

:)))))

OleMash [197]2 years ago

5 0

9514 1404 393

Answer:

8/7

Step-by-step explanation:

$\displaystyle\left(\frac{g}{f}\right)(-2)=\frac{g(-2)}{f(-2)}=\frac{7(-2)-2}{-2(-2)^2+3(-2)}\\\\=\frac{-16}{-8-6}=\boxed{\frac{8}{7}}$

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A shere has a diameter of 24 units what is it’s volume in cubic units

Vika [28.1K]

Answer:

7238 rounded to the nearest whole number.

Step-by-step explanation:

To find the volume of the sphere, we use the formula.

$v = \frac{4}{3} \pi {r}^{3}$

The radius will be 24 units ÷ 2 = 12 units.

Hence, the volume is

$\frac{4}{3} \pi \times {12}^{3}$

When entered in a calculator you'll get a result of 7238.23 cubic units in or 7238 rounded to the nearest whole number.

4 0

2 years ago

What is 2x² - 3y/2y²-3y where x is -4 and y is - 6

marysya [2.9K]

The answer is 34, just plug the numbers in

3 0

2 years ago

URGENT: I need to know the answer to this equation and the step by steps:

4vir4ik [10]

Answer:

1) 4-(-6) = 10

2) -10.3-(-7.79)= -2.51

3) -4+6 1/2= 2 1/2

4) -10.2+4.38= 5.82

Step-by-step explanation:

1) A double - equals positive so change to

4+6=10

2) adding positive to negative makes it less negative

3) just change positions -4 from 6 1/2

4) makes it less negative

5) sorry I hat fractions can't do it

4 0

2 years ago

You get GPS units from two manufacturers, A and B. You get 43% of your units from A and 57% of your units from B. In the past, 2

defon

Answer:

0.5015 = 50.15% probability that it came from manufacturer A.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Defective

Event B: From manufacturer A.

Probability a unit is defective:

2% of 43%(from manufacturer A)

1.5% of 57%(from manufacturer B). So

$P(A) = 0.02*0.43 + 0.015*0.57 = 0.01715$

Probability a unit is defective and from manufacturer A:

2% of 43%. So

$P(A \cap B) = 0.02*0.43 = 0.0086$

What is the probability that it came from manufacturer A?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0086}{0.01715} = 0.5015$

0.5015 = 50.15% probability that it came from manufacturer A.

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2 years ago

5x^4? Please solve this for me I don’t understand stand

igomit [66]

Answer:

-5 1/x4

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers