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Contact [7]
3 years ago
9

How do you solve this equation: 1988 = 28(p + 15)

Mathematics
1 answer:
WINSTONCH [101]3 years ago
4 0

Answer:

see Below

Step-by-step explanation:

Let's solve your equation step-by-step.

1988=28(p+15)

Step 1: Simplify both sides of the equation.

1988=28(p+15)

1988=(28)(p)+(28)(15)(Distribute)

1988=28p+420

Step 2: Flip the equation.

28p+420=1988

Step 3: Subtract 420 from both sides.

28p+420−420=1988−420

28p=1568

Step 4: Divide both sides by 28.

28p

28

=

1568

28

p=56

Answer:

p=56

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Rectangle on the left = 3 × 4 = 12

Rectangle in the middle = 3 × 2 = 6

Rectangle on the right = 4 × 3 = 12

Add:

12 + 6 + 12 = 30

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2 years ago
What is the way to solve this cuz I don’t know how to do divide
WINSTONCH [101]

Answer:

ur answer is 9

Step-by-step explanation:

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Let S be a sample space and E and F be events associated with S. Suppose that
Oksanka [162]

Answer:

a) P(E|F) = 0.5

b) P(F|E) = 0.167

c) P(E|F') = 0.625

d) P(E′|F′) = 0.375

Step-by-step explanation:

P(E) = 0.6

P(F) = 0.2

P(E n F) = 0.1

a) P(E|F) = Probability of E occurring, given F has already occurred. It is given mathematically as

P(E|F) = [P(E n F)]/P(F) = 0.1/0.2 = 0.5

b) P(F|E) = Probability of F occurring, given E has already occurred. It is given mathematically as

P(F|E) = [P(E n F)]/P(E) = 0.1/0.6 = 0.167

c) P(E|F′) = Probability of E occurring, given F did not occur. It is given mathematically as

P(E|F') = [P(E n F')]/P(F')

But P(F') = 1 - P(F) = 1 - 0.2 = 0.8

P(E n F') = P(E) - P(E n F) = 0.6 - 0.1 = 0.5

P(E|F') = 0.5/0.8 = 0.625

d) P(E′|F′) = [P(E' n F')]/P(F')

P(F') = 0.8, P(Universal set) = P(U) = 1

P(E' n F') = P(U) - [P(E n F') + P(E' n F) + P(E n F) = 1 - (0.5 + 0.1 + 0.1) = 0.3

P(E′|F′) = 0.3/0.8 = 0.375

7 0
2 years ago
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