1 year ago

What is the mean median and mode of 201,201,200,199,199

Mathematics

1 answer:

Rasek [7]1 year ago

8 0

Answer:

the median will be 200.

the mode will be 402 n 398.

the mean will be 400.

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State when f(x) is increasing , decreasing , concave up , concave down .

Marizza181 [45]

Answer:

f(x) = sec x. tan x

⇔ f(x) = 1/cosx . cosx/sinx

⇔ f(x) = sin x

+) when f(x) is increasing => sin x increases

=> x will increase

+) f(x) is decreasing => x will decrease

+) f(x) is concave up => x ∈ (-pi/2; 0)

+) f(x) concave down => x ∈ (0; pi/2)

Step-by-step explanation:

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2 years ago

Determine the value of base b if (152)b = 0x6A. Please show all steps.

DaniilM [7]

Assuming 0x6A is given in base 16, first convert $152_b$ and $6A_{16}$ to a common base, say base 10:

$152_b=1\cdot b^2+5\cdot b^1+2\cdot b^0=(b^2+5b+2)_{10}$

$6A_{16}=6\cdot16^1+10\cdot16^0=106_{10}$

Then

$b^2+5b+2=106$

$b^2+5b-104=(b-13)(b+8)=0$

$\implies b=13$

3 0

3 years ago

Read 2 more answers

Express as a trinomial.<br> (3x + 7)(3x + 4)

timama [110]

Answer:

9x² + 33x + 28

Step-by-step explanation:

$(3x + 7)(3x + 4)\\= 3x(3x + 4) + 7(3x + 4)\\= 9x^2 + 12x + 21x + 28\\= 9x^2 + 33x + 28$

5 0

3 years ago

351,875 rounded to nearest hundred thousand

storchak [24]

The answer would be 400,000.

4 0

3 years ago

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Today, there were 2 members absent from the band. The present members folded 25 programs each, for a total of 525 programs. How

Dafna1 [17]

Answer:

Step-by-step explanation:

225/25 = 21

21+2=23

6 0

3 years ago