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2 years ago

Select the two expressions that are equivalent to 4 + w + 12w.

Mathematics

2 answers:

Black_prince [1.1K]2 years ago

6 0

Answer:

A. 4+ 13w and C. 2(2+6w) + w

Step-by-step explanation:

Hope this helps! They equal the same answer which is 13w + 4

suter [353]2 years ago

5 0

The answer are
A and B

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1.) x=2y-4

2.) x=2y-4 :)

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There are 13 books on a shelf. 5 of these books are new.

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A is 8:13 and B is 8:5

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The product of two positive integer numbers is 12 and the sum of the same two numbers is 8.

Slav-nsk [51]

Answer:

6 and 2 are the two numbers.

Step-by-step explanation:

since the product is positive, both numbers have the same sign. Since the sum is positive, the two numbers are positive.

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2 years ago

Yolanda deposited 2130 into an account she made no additional deposites or withdrawals yolanda earned 4.25% annual simple intere

aleksandr82 [10.1K]

Answer:

$2492.1

Step-by-step explanation:

Step one

Given

Principal=$2130

rate= 4.25%= 0.0425

time = 4 years

Required:

The final amount in the account

Step two:

the expression for the final amount is

A= P(1+rt)

substitute

$A=2130(1+0.0425*4)\\\\A=2130(1+0.17)\\\\A=2130*1.17\\\\A=2492.1$

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2 years ago

A business manager who needs to make many phone calls has estimated that when she calls a client, the probability that she will

natka813 [3]

Answer:

a. 0.68 or 68%

b. 0.08 or 8%

c. 0.32 or 32%

Step-by-step explanation:

Probability of reaching client on the first call = 60%

Probability of reaching client on the second call = 20%

a. The probability that the manager reaches her client in two or fewer calls is the probability of reaching a client with one or two calls:

$P(X\leq2) = P(X=1) +P(X=2)\\P(X\leq2) = 0.60+(1-0.60)*0.2\\P(X\leq2) = 0.68 = 68\%$

b. The probability that the manager reaches her client on the second call but not on the first call is:

$P(X=2) = (1-0.6)*0.2 =0.08 = 8\%$

c. The probability that manager is unsuccessful on two consecutive calls (needing more than two calls), P(X>2), is:

$P(X>2) = 1-P(X\leq2) = 1-0.68\\P(X>2) = 0.32 = 32\%$

3 0

2 years ago