3 years ago

I need help on 8 and 9

Mathematics

1 answer:

Daniel [21]3 years ago

5 0

8. no they are not prime but SOME are...

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A car has 15 gallons of gas in its tank. The car travels 35 miles per gallon of gas. It uses 135 of a gallon of gas to go 1 mile

timama [110]

2.86 gallons

Step-by-step explanation:

If 1/35 gallon of gas = 1 mile

To travel 100 miles,

1/35 * 100

= 0.0286 * 100

= 2.86 gallons

Therefore, the car needs 2.86 gallons of gas to travel 100 miles

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3 years ago

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3. The following box and whisker plot shows the number of chicken wings eaten during a wing-eating contest.

Ann [662]

Looks like the answer is 37 to me

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3 years ago

A solid object is dropped into a pond with a temperature of 20 degrees Celsius. The function f(t)=Ce(−kt)+20 represents the situ

LenaWriter [7]

Answer:

The initial temperature of the object was 37.6 degrees Celsius

The initial temperature of the object was 37.6 (without units)

Step-by-step explanation:

we have

$f(t)=Ce^{(-kt)} +20$

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

<em>Find the value of the constant C</em>

we have the ordered pair (4,35)

substitute in the equation and solve for C

$35=Ce^{(-0.0399*4)} +20$

$Ce^{(-0.0399*4)}=15$

$C=15/e^{(-0.0399*4)}$

$C=17.6$

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

For t=0

$f(0)=(17.6)e^{(-k*0)} +20$

$f(0)=17.6 +20$

$f(0)=37.6\ degrees\ Celsius$

therefore

The initial temperature of the object was 37.6 degrees Celsius

The initial temperature of the object was 37.6 (without units)

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3 years ago

The probabiliity of getting exactly one tail is?

Reil [10]

Answer:

50%

Step-by-step explanation:

assuming you are talking about one coin flip (because you didn't specify) you have a 50% chance to land on tails

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Polygon ABCDE is the first in a pattern for a high school art project. The polygon is transformed so that the image of A' is at

Bond [772]

Answer:

Translation

Step-by-step explanation:

To keep a shape congruent or the same then you can Translate or to slide the shape not to change any sides.

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3 years ago