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Phantasy [73]
3 years ago
15

Solve 2x ≤ 30. Round to the nearest ten-thousandth.

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

Um i think it is B and i'm gonna be honest i'm not as good with math as i am in reading.

Step-by-step explanation:

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Solve each question for x.<br> xe^-x+7e^-x=0
murzikaleks [220]

Answer:

x=-7

Step-by-step explanation:

xe^-x+7e^-x=0

factor out the e^-x

e^-x(x+7)=0

e^-x=0, x+7=0

-x=ln(0), x=0-7=-7,

since ln(0) is undefined,

the only solution is -7.

7 0
3 years ago
What is the first step when rewriting y = 6x2 18x 14 in the form y = a(x – h)2 k?
Anastasy [175]
Answer is

y -14= 6x^2 + 18x
4 0
2 years ago
Please help THIS SHOULD BE EASY
goldfiish [28.3K]

Answer:

c,d,f

Step-by-step explanation:

I hope these r the answers.

4 0
3 years ago
Read 2 more answers
The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages is 118. How old is Eva?
seraphim [82]

Answer: 44 years

Step-by-step explanation:

Let Brita's age be x and the daughter's age be y , then from the first statement :

x - y = 30

From the second statement :

x + y = 118

solving the resulting linear equation , add the two equations , we have

2x = 148

x = 74

substitute 74 into equation 1 to find the value of y

74- y = 30

y = 74 - 30

y = 44

Therefore :

Eva = 44 years

6 0
3 years ago
In 1990, Dawn gross pay was $48,000.
forsale [732]

A. Dawn's gross monthly pay is<em> $4,000</em> ($48,000/12).

B. The month that Dawn hit her maximum taxable Social Security Income is May (5 months from January to May).

C. In February, 1978, Dawn paid <em>$260</em> in Social Security Tax.

D. In May, 1978, Dawn paid <em>$110.50</em> in Social Security Tax, which represented the balance.

E. In November, 1978, Dawn paid <em>$0</em> in Social Security Tax because by May she had completely paid the maximum Social Security Tax of $1,150.50.

<h3>Data and Calculations:</h3>

Gross earnings in 1990 = $48,000

Maximum taxable income in 1990 = $17,700

Social Security Tax Rate = 6.5%

Gross monthly pay = $4,000 ($48,000/12)

Monthly Social Security Tax = $260 ($4,000 x 6.5%)

Total Social Security Tax = $1,150.50 ($17,700 x 6.5%)

In 5 months, Dawn would have paid a <em>total of $1,150.50</em> ($260 x 4 + $110.50) in Social Security Tax.

Thus, the total Social Security Tax paid by Dawn in that year was <em>$1,150.50.</em>

Learn more about Social Security Tax here: brainly.com/question/9741758

4 0
2 years ago
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