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nadezda [96]
2 years ago
9

Math lol ..........20 characters​

Mathematics
2 answers:
kati45 [8]2 years ago
8 0

Answer:

132 KM with 12 liters of fuel

Step-by-step explanation:

divide 99 by 9 and get 11 KM per liter

multiply 11(KM) by 12(Liter) = 132KM

Anuta_ua [19.1K]2 years ago
5 0

Answer:

132 km

Step-by-step explanation:

9 litres --> 99 km

1 litres --> 11 km

12 litres --> 12 * 11 = 132 km

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15) In your own words, write three or four sentences explaining what exponents are and how they are used in math
Scorpion4ik [409]

Answer:

Exponents

Step-by-step explanation:

exponents are basic short cut to write numbers like 100, 1000, 10000, 1000000 and so on.

Exponents can also be defined as 10 raised to a power x whether positive or negative

10 {}^{x}

They are mostly used in expressing units in standard form.

<h3>examples of basic positive exponents</h3>

{10}^{2}  = 100

10 {}^{3}  = 1000

{10}^{4}   = 10000

{10}^{5}  = 100000

basically the power represent the the number of zeroes after the 1.

<h3>examples of basic negative exponents</h3>

{10}^{ - 2}  = 0.01

{10}^{ - 3}  = 0.001

{10}^{ - 4}  = 0.0001

10 ^{ - 5}  = 0.00001

in negative exponents the power represents the number of zeroes before the 1. including the 0 behind the decimal point.

this is the basic lay down of how exponent work but one more quick example for maximum understanding

<h3>quick example</h3>

4 \times  {10}^{4}  = 0.0004

4 \times  {10}^{4}  = 40000

8.69 \times 10 {}^{ - 3}  = 0.00869

8.69 \times 10 {}^{  3}  = 8690

hope you grasp the concept involved in multiplication with other terms.

cheers

6 0
3 years ago
Please help or i am grounded
Dahasolnce [82]

Answer:

x=140

Step-by-step explanation:

Do not get grounded.

An angle at a point is 360°.

So, x+120+70+30=360

x+220=360

x=140

3 0
3 years ago
3 + x + 1 =2 what is x
ra1l [238]
Rearrange: 3 + x + 1 -(2) = 0 

Solve: x + 2= 0 

So the value of "x" is -2
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Andrew [12]

Answer:

Step-by-step explanation:

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