3 years ago

PLEASE HELP ME IN ONE MINUTE WILL MARK BRAINLIST

Mathematics

1 answer:

BaLLatris [955]3 years ago

4 0

The answer should be (3x and 5 in a fraction) 2-3x over 5

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What is the absolute value of positive 7

Karo-lina-s [1.5K]

The answer to this is 7 because you are just taking the value of 7 which is 7

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3 years ago

Passe os números a seguir para notação científica.

Naddika [18.5K]

Answer:

$a)105=1.05 \times 10^2\\b)0.0019=1.9 \times 10^{-3}\\c)6 590 000 000 000 000=6.59 \times 10^{15}\\d)0.000000000016=1.6 \times 10^{11}$

$e)32 000=3.2 \times 10^{4}\\f)0.23=2.3 \times 10^{-1}\\g)428000000=4.28 \times 10^{8}\\h)-0.000000000000384=-3.84 \times 10^{-13}$

$i)256800000000=2.568 \times 10^{11}\\j)0.00000000000002= 2 \times 10^{-14}\\k)349000=3.49 \times 10^{5}\\l)0,0004=4 \times 10^{-4}$

$m)120 000 000 000 000 000 000=1.2 \times 10^{20}\\n)0, 000 000 000=0\\o)2048=2.048 \times 10^{3}\\p)150 000 000 000=1.5 \times 10^{11}$

$q)0,4589=4.589 \times 10^{-1}$

6 0

4 years ago

I have no clue what to do

igor_vitrenko [27]

Answer:

4x + 3y = 12

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Can someone help please I need this done in 20 minutes and no links I have been getting them all day so please help me with this

Natasha2012 [34]

2.8 mi
3.3mi
4.8+7(3)=8+21=29mi
5.yes, she hikes continuously so distance can be fractional parts of a mile
7.y=12x+120, y=12(5)+120=180
8.y=6.5x+10,6.5(10)+10=75

3 0

3 years ago

How would I solve 7r=-7/2? I know the answer is -1/2 I just don't understand how to get -1/2 as my answer.

Art [367]

7r=-7/2

divide both sides by 7 to get r by itself

(7r)/(7) = (-7/2)/(7)

if you don't quite see it, think of multiplying both sides by 1/7 instead (its the same thing as dividing by 7)

(7r)*(1/7)=(-7/2)*(1/7)

r=-1/2

7 0

4 years ago