Round to the place value of the less precise measurement.
2.13 m + 8.6 m

Answers

Answer 1

Answer: The answer would be 10.19m. If you want to round it of to a less precise measurement it would be 10 m. That is rounding of the decimal value to the ones place. the rule of rounding of is form 6 t0 9 it would add 1 to the nearest place value next to it and 0 - 5 will not.

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If a/4 = 9/a, thena²=364a = 9aa + 4 = 9 + aa - 4 = 9 - a
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What is the length of the hypotenuse of a right triangle whose legs have lengths of 5 and 12?

Answers

The hypotenuse is 13. Becuase you have to follow the equation a^2+b^2=c^2.

Answer:

The answer would be 13, I hope this helped!!!

Step-by-step explanation:

If there are 8520 bacteria present after 15minutes find K and round to the nearest thousandth (picture below)

Answers

Answer:

Choice A

Step-by-step explanation:

The scenario presented relates to exponential growth models; the population of bacteria is growing at an exponential rate given by the equation;

$B=1000e^(kt)$

In this case B represents the population of the bacteria, t the time in minutes, k the growth constant and 1000 represents the initial population at time 0.

After 15 minutes, the population of bacteria grows to 8520. This implies that B is 8520 while t is 15. We substitute this values into the given equation and solve for k, the growth constant;

$8520=1000e^(15k)$

Divide both sides by 1000;

$8.52=e^(15k)$

The next step is to introduce natural logs on both sides of the equation;

$ln8.52=ln(e^(15k))\nln8.52=15k\nk=(ln8.52)/(15)=0.143$

Deals with three-dimensional objects, such as cubes and spheres.

Answers

Step-by-step explanation:

Length, width and height are three dimensional objects.

I hope this will help you.

Charlotte measured the temperature at 7:00 A.M. and again at 3:00 P.M. She placed both measurements on a number line.How did the temperature change between 7:00 A.M. and 3:00 P.M.?

A.
It increased by °C.

B.
It decreased by °C.

C.
It increased by °C.

D.
It decreased by °C.

Answers

It is increasing because at 7: A.M the temperature is colder and instead at 3: P.M the temperature rises (sorry for the grammar)

Answer: C, 11 and 3/4

Step-by-step explanation:

i made a clay snake 9 5/8 inches long, but a section 1 7/8 inches long broke off. how longis the snake now?

Answers

The answer is 7 3/4.
Turn into improper fraction
= 77/8 − 15/8

= ((77 × 8) − (15 × 8)) / (8 × 8)

= (616 - 120) / 64

= 496/64

= 31/4

First, I would convert it an improper fraction.9 5/8 = 77/81 7/8 = 15/877 - 15 = 62. The denominator stays the same.62/8. Divide to make it a mixed number.62/8 = 7 6/8Simplified to = 7 3/4

What is the correct word form of 3.051