Identify the expression that does not belong and explain your reasoning:5.25 • 10^7
(2.1 • 10^2)(2.5 • 10^5)
52.5 • 10^8
(2.1)(2.5) • 10^2+5

Answers

Answer 1

Answer: D does not belong because the first 3 digits of the product of the first 3 equations is 525 and for D it is not.

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Which is the graph of f(x) = (x – 1)(x + 4)?On a coordinate plane, a parabola opens down. It goes through (negative 1, 0), has a vertex at (1. 75, 6.2), and goes through (4, 0). On a coordinate plane, a parabola opens down. It goes through (negative 4, 0), has a vertex at (negative 1. 75, 6.2), and goes through (1, 0). On a coordinate plane, a parabola opens up. It goes through (negative 1, 0), has a vertex at (1. 75, negative 6.2), and goes through (4, 0). On a coordinate plane, a parabola opens up. It goes through (negative 4, 0), has a vertex at (negative 1. 75, negative 6.2), and goes through (1, 0).
Which answer correctly identifies the underlined words in the sentence? To travel to the moon would be a great adventure. A. participial phrase B. infinitive phrase C. infinitive D. participle

Select all answers that apply. Wave diffraction depends on the: size of the obstacle.
wavelength of the waves.
speed of the waves.
mood of the waves.

Answers

speed of the waves because a wave can get faster

~ALGEBRA! PLEASE HELP!~Austin is climbing on a ladder that is attached against the side of a jungle gym wall. He is 5 feet off the ground and 3 feet horizontally from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?
~Please show work :)

Answers

so I get it now!

so he is currently 5 feet vertically form the wall
he is currently 3 feet horizonatlly from the wall
the ladder's base is 15 total feet from the wall

height:base=5:3

to find the total height
x:15
multiply 5:3 by 5
25:15

so the top of the ladders's vertical height is 25 feet

so the answer is the ladder is 25 feet from the ground

Answer:23

Step-by-step explanation:ok

For a game, three people are chosen in the first round. Each of those three people chooses 3 people in the second round. How many are chosen the sixth round.

Answers

Answer:

Number of people chosen in the sixth round is 729

Step-by-step explanation:

Given : For a game - 3 people are chosen in first round then each of three chooses 3 people in the second round ans so on.

To find : How many are chosen the sixth round.

Solution : We know,

In first round 3 people choose ⇒no. of people =3

In second round 3 people individually choose 3 people ⇒no. of people = 9

since the number of people chosen with a constant amount forming a geometric series

Geometric series - A sequence of numbers where each term after the first is found by multiplying the previous one by a fixed also called as common ratio.

General form: $a,ar,ar^2,ar^3......$

and n-th term of geometric series is $a_n=ar^(n-1)$

where a - first term , r- common ratio and n-number of term

For the sixth round - a=3, r=3 , n=6

$a_n=ar^(n-1)$

$a_6=3*3^(6-1)$

$a_6=3*3^(5)$

$a_6=3^6=729$

Therefore, number of people chosen in the sixth round is 729

In the sixth round 729 people are chosen.

What type of transformation is used when moving up an escalator

Answers

kinetic energy is used.

i hope this helps.

How do you write 20/100 as a decimal

Answers

The fraction number 20/100 into a decimal form will be 0.20.

The decimal number is the combination of an integer number and part of a rational number. The rational number is greater than zero but less than one.

The fraction number is given below:

⇒ 20 / 100

Convert the fraction number into a decimal form, then we have

⇒ 20 / 100

⇒ 0.20

More about the decimal number link is given below.

brainly.com/question/4708407

#SPJ6

Its the teo digits in 100 that help so it would be,

.02

The 2 would be the second digit

Write an equation in slope-intercept form for the line with slope -7 and y-intercept 8 . Then graph the line.