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3 years ago

Someone please help ASAP will give brainliest

Mathematics

1 answer:

Anna007 [38]3 years ago

7 0

Given : Function f(x) $\mathsf{= \frac{-2}{3}(x) + 1}$

$\mathsf{\implies f(3) = \frac{-2}{3}(3) + 1}$

$\mathsf{\implies f(3) = (-2 + 1)}$

$\mathsf{\implies f(3) = -1}$

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Problem

Stels [109]

Answer:

The maximum speed of Hal's airplane in still air is:

$v= 250\ miles/h$

The speed of the wind

$c = 50\ miles/h$

Step-by-step explanation:

Remember that the velocity v equals the distance d between time t.

$v=\frac{d}{t}$ and $t*v=d$

The distance that Hal travels when traveling with the wind is:

$(2\ hours)(v + c) = 600$ miles

Where v is the speed of Hal and c is the wind speed.

The distance when traveling against the wind is:

$(3\ hours)(v-c) = 600$ miles

Now we solve the first equation for v

$(2)(v + c) = 600$

$2v + 2c = 600$

$2v= 600-2c$

$v= 300-c$

Now we substitute the value of v in the second equation and solve for c

$3((300-c)-c) = 600$

$3(300-2c) = 600$

$900-6c = 600$

$-6c = 600-900$

$-6c = -300$

$6c = 300$

$c = 50\ miles/h$

Then:

$v= 300-(50)$

$v= 250\ miles/h$

The maximum speed of Hal's airplane in still air is:

$v= 250\ miles/h$

The speed of the wind

$c = 50\ miles/h$

7 0

3 years ago

A jar contains 7 poker chips: 3 blue, 3 red and 1 white. You randomly select two chips from the jar. What is the probability tha

Triss [41]

Answer:

ok so

7+3+3+1=14

and if you pull one out the chance is

3/14

then

2/13

so 3/14*2/13

0.03296703296

so the answer is

0.03

Hope This Helps!!!

3 0

3 years ago

Can someone help me fill this out....

Jlenok [28]

Answer:

Step-by-step explanation:

First Line:

0, 1//7, 2/7, 3/7, 4/7, 5/7, 6/7, 1, 8/7, 9/7, 10/7

Second Line:

-1/3, 0, 1/3, 1/2, 1, 4/3

Third Line:

0, 1/3, 2/3, 1, 4/3, 5/3, 2

3 0

3 years ago

83/6 as a mixed number

jonny [76]

$\frac{83}{6}=13\frac{5}{6}$

8 0

2 years ago

A plate moving at a rate of 4 is moving toward a plate that is 10,000 km away. In how many years will the plates collide?

iVinArrow [24]

Answer:

the answer is 250 million years

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers