2 years ago

Please only answer this with actual answers and ill give the award

1 answer:

4 0

X=6 because in the first one it says that 10 times X plus the 30 equals the 90 degree angle so that means that X=6 because 10 times 6 is 60 pulse the extra 30 degrees.

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a car uses 57 liters of gasoline for every 644 kilometers traveled. it takes 8 hours to use all the gasoline in the tank. what i

devlian [24]

Answer:

80.5 kilometers/h

Step-by-step explanation:

S=80.5km/h

D644

T8 hours

8 0

2 years ago

Assume a normal distribution and that the average phone call in a certain town lasted 4 min, with a standard deviation of 1 min.

olya-2409 [2.1K]

SOLUTION

The mean is 4min

standard deviation is 1min

the z score is

$z=\frac{x-\bar{x}}{\sigma}$

where

$\begin{gathered} x=3 \\ \bar{x}=4 \\ \sigma=1 \end{gathered}$

then we have

$\begin{gathered} z=\frac{3-4}{1}=\frac{-1}{1}=-1 \\ z=-1 \end{gathered}$

The probability the call lasted less than 3 min will be

Therefore, the probability that (z < -1 ) is

[tex]\begin{gathered} Pr(z<-1)=Pr(0Hence, the percentage of the calls that lasted less than 3 min is 16%

4 0

1 year ago

May I please receive help?

stich3 [128]

You got this bro why do u need our help for

8 0

1 year ago

The point at which the number lines intersect on the coordinate plane is the (origin, x-axis).

eduard

It is the origin for you.

4 0

3 years ago

How do i solve f(x)=|x-2|+3

Olenka [21]

Answer:

f(x)=|x-2|+3

0=|x-2|+3

0-3=|x-2|+3-3

-3+2=x-2+2

-1=x

Step-by-step explanation:

set the function equal to zero
you can subtract 3 from both sides or you can add -2 and 3 and then you subtract your answer from both sides to solve for x

7 0

3 years ago