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seraphim [82]
3 years ago
8

...Help Please...question in the file.

Mathematics
1 answer:
Snezhnost [94]3 years ago
7 0
3^{-3}= \frac{1}{3^3}= \frac{1}{27}   \\  \\ 3^{-2}= \frac{1}{3^2}= \frac{1}{9}   \\ \\ 3^{-1}= \frac{1}{3^1}= \frac{1}{3}   \\ \\3^{0}=1 \\\\ 3^1=3\\\\3^2=9\\\\3^3=27
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Round 5,112 to the nearest thossand
REY [17]

Here is your answer:


5 = 5


So it rounds up one.


5+1=6


Therefore the answer is "6,000."


In these types of questions you find the place value which is five since how its five-thousand, and if the place value is equal or greater than 5 it rounds up so since 5 is equal to 5 it rounds up to 6. Which would equal to 6,000.


Hope this helps!

7 0
3 years ago
Read 2 more answers
Researchers recorded that a group of
irakobra [83]

Answer:

The number of bacteria grown in 35 hours is 15771

Step-by-step explanation:

It is given that,

Researchers recorded that a group of bacteria grew from 100 to 7,000 in 14 hours.

Therefore, the bacteria has grown from 100 to 7000 in 14 hours.

To calculate number of bacteria grown in 14 hours :

⇒ 7000 - 100 = 6900

6900 bacteria grows in 14 hours. We need to find out the growth of bacteria in 1 hour in order to calculate its growth in 32 hours.

To calculate number of bacteria grown in 1 hour :

⇒ Total bacteria growth in 14 hours / 14

⇒ 6900 / 14

⇒ 492.85

To calculate number of bacteria grown in 32 hours :

⇒ 492.85 × 32

⇒ 15771.2

⇒ 15771  (rounded to nearest whole number)

∴ The number of bacteria grown in 32 hours is 15771

Hope this answer helps you :)

Have a great day

Mark brainliest

8 0
3 years ago
HELP PLEASE ! HURRY UPPPPPPP​
LUCKY_DIMON [66]

Answer:

just wondering if you still need help with this

Step-by-step explanation:

why is this on my timeline?

5 0
3 years ago
Right triangle ABC and right triangle ACD overlap as shown below. Angle DAC measures 20 degrees and angel BCA measures 30 degree
alexdok [17]

The image of the question is attached below.

Given:

m∠DAC = 20° and m∠BCA = 30°

m∠ABC = 90° and m∠CDA = 90°

To find:

The value of x and y.

Solution:

In right triangle ABC,

m∠BAC = x° + 20°

Sum of the interior angles of a triangle = 180°

m∠BAC +m∠ABC + m∠BCA = 180°

x° + 20° + 90° + 30° = 180°

x° + 140° = 180°

Subtract 140° from both sides.

x° + 140° - 140° = 180° - 140°

x° = 40°

In right triangle ADC,

m∠ACD = y° + 30°

Sum of the interior angles of a triangle = 180°

m∠ACD +m∠CDA + m∠DAC = 180°

y° + 30° + 90° + 20° = 180°

y° + 140° = 180°

Subtract 140° from both sides.

y° + 140° - 140° = 180° - 140°

y° = 40°

The value of x is 40 and y is 40.

6 0
3 years ago
Suppose the area of a circle is 49π. What is its radius
pentagon [3]
The radius is 7 what it is telling you is that you already did the square 4^2*3.14=49 pi. 
4 0
2 years ago
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