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Paladinen [302]

2 years ago

8

Please help! The selected one is wrong

1 answer:

kirill [66]2 years ago

8 0

Plug g(x) in for every x in f(x) then substitute 4, you’ll get (f o g)(4) = 34

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The sum of the prime numbers between 40 and 50

kramer

Answer:

Step-by-step explanation:

Prime numbers are numbers that only have two divisors of 1 and itself.

PRIME NUMBERS INCLUDED BETWEEN 40 AND 50 =

41.43.47.

41 + 43 + 47 = 131

4 0

2 years ago

Read 2 more answers

Find the acute angle formed by line 2y=x+1

givi [52]

Answer:

26.57°

Step-by-step explanation:

$2y = x + 1 \\ y = \frac{1}{2} x + 1 \\ equating \: it \: with \\ y = mx + b \\ slope \: m = \frac{1}{2} \\ \because \: \tan \theta = m \\ \therefore \: \tan \theta = \frac{1}{2} = 0.5 \\ \therefore \: \theta = {tan}^{ - 1} (0.5) \\\therefore \: \theta = {tan}^{ - 1} ( \tan \: 26.565051177 \degree) \: \\ \\ \huge \red{ \boxed{\therefore \: \theta = 26.57 \degree}}$

6 0

2 years ago

Who can solve this I'm lost

pentagon [3]

I can't solve it but you can enter the equation into www.quickmath.com and it will give you the answer. Hope it helps.

5 0

2 years ago

A hollow metallic cylinder is made from a metallic sheet of 2.4 cm thickness. The inner

butalik [34]

Answer:

The volume of the metal used is 5277.9 cm³.

Step-by-step explanation:

The volume of a cylinder is given by:

$V = \pi r^{2} h$

Where:

r: is the radius

h: is the height = 50 cm

The volume of metal ( $V_{m}$ ) can be found by subtracting the internal volume ( $V_{i}$ ) from the external volume ( $V_{e}$ ):

$V_{m} = V_{e} - V_{i}$

$V_{m} = \pi r_{e}^{2} h - \pi r_{i}^{2} h$

The external radius is given by the sum of the internal radius with the tickness:

$r_{e} = t + r_{i}$

Hence, the volume is:

$V_{m} = \pi*50 cm((2.4 cm + 5.8 cm)^{2} - (5.8 cm)^{2}) = 5277.9 cm^{3}$

Therefore, the volume of the metal used is 5277.9 cm³.

I hope it helps you!

4 0

2 years ago

Simplify the expression <br>16+(-5)-2/5j-4/5j+6

stiks02 [169]

Answer:

17 - 6j / 5

Step-by-step explanation:

8 0

2 years ago