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3 years ago

Write an equation for the description. The difference between a number x and 18 is 23.

Mathematics

1 answer:

Rina8888 [55]3 years ago

7 0

X-23=18

Because difference means subtract

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Need the answer for x and y

Hunter-Best [27]

Answer:

x = 6

CD = 59

Step-by-step explanation:

10x - 1 = 8x + 11

combine like terms:

2x = 12

x = 6

CD = 8(6) + 11 = 59

5 0

2 years ago

Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places

Sergeeva-Olga [200]

Solution: Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places 5 calls. what is the probability that none of them reaches a live person.

Answer: The given random experiment can be considered as binomial experiment with probability of success = 0.2 and number of trials = 5

Therefore, we have:

$n=5,p=0.2,q=(1-p)=1-0.2=0.8$

Let x be the number calls that reach to live person.

We have to find $P(x=0)$

Using the binomial probability distribution, we have:

$P(x=0)=\binom{5}{0}0.2^{0} (1-0.2)^{5-0}$

$=1 \times 1 \times 0.8^{5}$

$=0.3277$

Therefore, the probability that none of them reaches a live person is 0.3277

6 0

2 years ago

Find cp if so =rs 800 and loss% = 10%

rjkz [21]

Step-by-step explanation:

Sp = rs 800

loss = 10%

Cp = ?

we know that,

cp= sp×100÷ 100-L%

= 800×100÷100-10

= 80000÷90

= 888.89#

3 0

2 years ago

Read 2 more answers

LCM of 16, 28, and 56

Sindrei [870]

Answer:

Step-by-step explanation:

2x8=16, 2x14=28, and 2x28=56

6 0

3 years ago

In the military, 1/4 of an enlisted person's time is spent sleeping and eating, 1/12 is spent standing at attention, 1/6 is spen

IRINA_888 [86]

All you have to do is add all of the fractions up.

5 0

3 years ago