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USPshnik [31]
3 years ago
12

Pls, help me. I know this is a lot to ask but... I rlly need help. I will mark you brainliest, and give a little extra points ou

t... I will also give you a thanks, and a 5 star review, thank you... Oh I almost missed something... Merry Almost Christmas, lol:)

Mathematics
2 answers:
tresset_1 [31]3 years ago
5 0
I don’t know the answer yet, I’ll reply to my comment with it, but merry Christmas to you too!!
djyliett [7]3 years ago
5 0

Answer:

A. 25/100

B. 1.75 billion people in the world would have no food or shelter. In scientific notation this translates to 1.75 × 10^9

C. 17 percent of the worlds population speaks Chinese, or 1.19 billion people. In scientific notation that translates to 1.19 × 10^9.

D. In a world of 100 people, around 4/100 or 4 percent would live in the U.S.

In 3 × 10^8, that translates to 300 Million out of 7 billion. Exactly 4.28 percent of the worlds population would live in the U.S. Now, translating that percent to a much smaller scale, out of 100 people only 4 people would live in the U.S. You can't have 0.28 percent of a person, so we just estimate it to 4 people.

Step-by-step explanation:

You might be interested in
A rectangular skate park is 60 yards long and 50 yards wide
lawyer [7]
It is unclear what you want to do, but in the case where they give you the length and the width, it is most likely they are asking for either area or perimeter. For Area, it is length times width.
A = l x w
A = 60 yards x 50 yards
A = 3000 square yards.
For Perimeter of the rectangle, it is 2 of the lengths plus 2 of the widths.
P = 2 ( 60 yards ) + 2 ( 50 yards )
P = 120 yards + 100 yards
P = 220 yards
I hope this helps :-)
4 0
4 years ago
I’m being timed please help guys
tankabanditka [31]

x = 54

............

............

............

3 0
3 years ago
If a total of 780 joules of energy is lost by
ankoles [38]

If a total of 780 joules of energy is lost by  25.0 grams of this substance, the heat of fusion is 31.2 J/g

The energy lost, H  =  780 Joules

Mass of the substance, m = 25.0 grams

The Energy lost is the product of mass and the heat of fusion

The heat of fusion, c, is calculated using the equation below:

H   =  mc

Substitute H = 780 Joules and m = 25.0 grams into the equation

H   =  mc

780   =   25c

Divide both sides by 25

\frac{780}{25} = \frac{25c}{25}  \\c = 31.2 Joules/g

The heat of fusion of the substance is 31.2 J/g

Learn more here: brainly.com/question/24017386

6 0
3 years ago
Through (-2,2), parallel to y=x
Dima020 [189]

Use the slope-intercept formula

y = mx + b

8 0
4 years ago
PLS ANSWER FAST I NEED HELP!!!! BTW b is the wrong answer
Sidana [21]

(D)

Step-by-step explanation:

If m\angle{1} and m\angle{2} are vertical angles, then \angle{1} = \angle{2} so that

2x + 16 = 5x - 35

\Rightarrow 3x = 51

or

x = 17

Therefore,

m\angle{1} = 2x + 16 = 2(17) + 16 = 50°

4 0
3 years ago
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