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3 years ago

Thirty subtracted from four times a number is greater than the opposite of 10

Mathematics

1 answer:

Marrrta [24]3 years ago

6 0

-26x > (-10) 4-30 = -26 Times a number= x Opposite of 10 is -10 (negative 10) Hope that helps! ;-)

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A bacteria culture contains 1500 bacteria initially and doubles every hour. (a) Find a function N that models the number of bact

Tpy6a [65]

Answer: a) $N(t)=1500(2)^t$

b) 25165824000

Step-by-step explanation:

The exponential equation for growth is given by :-

$y= ab^t$ , where a= initial value , b =multiplicative growth factor and t = time.

Given : A bacteria culture contains 1500 bacteria initially and doubles every hour.

i.e. a = 1500 and b= 2

Then, the function N that models the number of bacteria after t hours will be :

$N(t)=1500(2)^t$

To find , the number of bacteria after 24 hours , we put t= 24 in above equation , we get

$N(24)=1500(2)^{24}\\\\=1500(16777216)=25165824000$

Hence, the number of bacteria after 24 hours is 25165824000.

7 0

3 years ago

Solve the formula D=a+b−c for b in general.

kari74 [83]

Answer:

b = c - a - D

Step-by-step explanation:

$D=a+b−c \\ b = c - a - D$

3 0

3 years ago

A cheetah travels 20 km west in an hour. The cheetah stops for another hour. Then, the cheetah travels another 40 km west in two

tigry1 [53]

20 divided by 40=2
20x40=800
800 divided by 40= 20

7 0

2 years ago

Find the volume of the cylinder. Round to the nearest tenth.

Svetllana [295]

Answer:

V = 56.5 mi^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h where r is the radius and h is the height

V = pi ( 3)^2 (2)

V = 18 pi

Letting p = 3.14

V = 56.52 mi^3

Rounding to the nearest tenth

V = 56.5 mi^3

6 0

3 years ago

3,000 is 10 times as much as

Serhud [2]

300 is the answer:)))

3 0

4 years ago