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Viktor [21]
1 year ago
10

Can someone help me please

Mathematics
1 answer:
navik [9.2K]1 year ago
4 0

Answer:

the \: answer \: is \: choice \: b \:  \frac{ - 2 \sin(x) }{1 +  \cos(x) }

will give you an explanation if you want tag me on comment.

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Miguel made 80 on his Math test. He made 95 in last week's Math test. What is the percent of change on his scores? (Round your
storchak [24]

Answer:

15.78 %

Step-by-step explanation:

It is given that,

Miguel made 80 on his Math test. He made 95 in last week's Math test.

We need to find the percent change on his scores. It can be calculated as follows :

\%=\dfrac{\text{original score-initial score}}{\text{original socre}}}\times 100\\\\\%=\dfrac{95-80}{95}\times 100\\\\\%=15.78\%

So, there is a percent change of 15.78%.

4 0
3 years ago
When the exponent blank is applied to a nonzero base, the result is always 1
Anestetic [448]

0

20char20char20char20char

7 0
3 years ago
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Identify the interval that is not equal to the other three 15-19 30-34 40-45 45-49
Lunna [17]

Answer:

45-40

Step-by-step explanation:

The first interval is 15-19.

The width of this interval is: 19-15=4

The second interval is 30-34.

The width of this interval is: 34-30=4

The third interval is 40-45.

The width of this interval is: 45-40=5

The fourth interval is 45-49.

The width of this interval is: 49-45=4

<h3>Therefore the interval that is not equal to the other three is 45-40</h3>
5 0
3 years ago
Sally invests $5000 in an account earning 8% interest, compounded continuously. After how many years will she double her investm
juin [17]
Double is double, so you can solve
.. 2 = 1*e^(.08t)
and get the correct value of t.

Taking logs,
.. ln(2) = .08t
.. ln(2)/.08 = t ≈ 8.7 . . . . years
6 0
3 years ago
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You decide to work part-time at a local veterinary hospital. The job pays $9.50 per hour and you work 20 hours per week. Your em
nadezda [96]

Answer:

a. Weekly Gross pay:

= 9.50 * 20

= $190

b. Federal tax withheld:

= 10% * 190

= $19

c. FICA Tax withheld:

= 5.65% * 190

= $10.74

d. State tax withheld:

= 5% * 190

= $9.50

e. Weekly net pay

= Gross pay - taxes

= 190 - 19 - 10.74 - 9.50

= $150.76

f. Percentage withheld for taxes:

= (19 + 10.74 + 9.50) / 190 * 100%

= 20.7%

8 0
3 years ago
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