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3 years ago

Please help!! If you could explain that would be great!

Mathematics

1 answer:

bazaltina [42]3 years ago

3 0

Answer:

It would be 1/2

Step-by-step explanation:

y = (1/2)x has the format y = kx, where k is the const. of prop. In this particular case that const. of prop. is (1/2).

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Solve and check , -0.7x+2.8=-3.14x-5.2

dlinn [17]

solving:

$( - 0.7 + 3.14)x = - 5.2 - 2.8$

$2.44x = - 8$

$x = \frac{ - 8}{2.44}$

now checking:

$- 0.7 \times \frac{ - 8}{2.44} + 2.8 = - 3.14 \times \frac{ - 8}{2.44} - 5.2$

$\frac{5.6}{2.44} + 2.8 = \frac{25.12}{2.44} - 5.2$

$\frac{12.432}{2.44} = \frac{12.432}{2.44}$

6 0

3 years ago

Graph the following piecewise function and then find the domain.

navik [9.2K]

9514 1404 393

Answer:

domain: (-4, 9)

Step-by-step explanation:

The graph is defined for all points between -4 and 9, but not for those two points. In interval notation, the domain is (-4, 9).

4 0

3 years ago

Explain and provide an example of the conditional probability formula, addition rule of probability, and multiplication rule.

Liono4ka [1.6K]

Answer:

P(A ∪ B) = P (A) + P(B) – P(A ∩ B)

Step-by-step explanation:

Conditional probability: p(A|B) is the probability of event A occurring, given that event B occurs. For example, given that you drew a red card, what's the probability that it's a four (p(four|red))=2/26=1/13. So out of the 26 red cards (given a red card), there are two fours so 2/26=1/13.

4 0

2 years ago

The area of a rectangular garden is 4350 m2.

liq [111]

Answer:

75 M

Step-by-step explanation:

4350/58=75

3 0

3 years ago

Help me plss plss I really need help I have a f

Colt1911 [192]

Answer:

A. 5 1/2 and D. 11/2

Step-by-step explanation:

Make improper fraction

8*1+3=11/8

Solve by multiplying:

4*11/8

44/8

Simplified is 11/2

We can turn it back into a mixed number

2*5+1=11 so 5 1/2

6 0

3 years ago