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Dvinal [7]
3 years ago
6

Question below :))))

Mathematics
1 answer:
uranmaximum [27]3 years ago
8 0
8-4 that's what you want to do first because of the brackets
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45/4 = 12/2f. what is f?
nata0808 [166]

Answer:

Exact Form:

f=8/15

Decimal Form:

f=1.875

Step-by-step explanation:

45×2f = 4×12

90f = 48

48/90 = 24/45 = 8/15

6 0
3 years ago
Can someone please give me the right answer to this question please???
vagabundo [1.1K]

Answer:

x=87 degrees

Step-by-step explanation:

3 0
3 years ago
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Tire pressure monitoring systems (TPMS) warn the driver when the tire pressure of the vehicle is 26% below the target pressure.
ZanzabumX [31]

Answer:

a) 22.94 psi

b) 5.93\times10^{-5}

Step-by-step explanation:

a)The pressure at which will trigger a warning is

31 - 31*0.26 = 22.94 psi

b) The probability that that the TPMS will trigger warning at 22.94 psi, given that tire pressure has a normal distribution with average of 31 psi and standard deviation of 2 psi

f(x)={\frac {1}{\sigma {\sqrt {2\pi }}}}e^{-{\frac {1}{2}}\left({\frac {x-\mu }{\sigma }}\right)^{2}}

where x = 22.94, \mu = 31, \sigma = 2

f(22.94)={\frac {1}{2 {\sqrt {2\pi }}}}e^{-{\frac {1}{2}}\left({\frac {22.94-31}{2 }}\right)^{2}}

f(22.94)=0.2e^{-8.12} = 5.93\times10^{-5}

6 0
4 years ago
Find the equation of the line normal to the curve of y=cos1/3x, where x=pi
miv72 [106K]

Answer:

The equation of the line normal to the curve of y=cos1/3x, where x=pi is y= 2√3 x - 10.38

Step-by-step explanation:

The equation of the normal to the curve is

Y- y1 = - 1/m (x- x1)

Where m is the gradient.

See attached picture for the complete solution.

5 0
3 years ago
Find the surface area of the square pyramid if the slant height is 13 mm.
Tanzania [10]

Simple Question:

Find the surface area of the square pyramid if the slant height is 13 mm.

Options:

A. 264 mm

B. 288 mm

C. 335 5 mm

D. 407 mm

Answer:

A) 264mm

Step-by-step explanation:

11 x 13 = 143 = 264mm

5 0
4 years ago
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