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ella [17]
3 years ago
14

Which number is the largest? 1.2 × 104, 4.5 × 10−3, 3.8 × 103, 7.5 × 103

Mathematics
1 answer:
Artemon [7]3 years ago
6 0

Answer:

1.2 x 10^4 = 12,000

4.5 x 10^-3 = 4.5 x 1/(10^3) = 4.5/1000 = 0.0045

3.8 x 10^3 = 3,000

7.5 x 10^3 = 7,000

largest is 1.2 x 10^4

Step-by-step explanation:

gotchu fam

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3(x - 4) + 9 = 18<br><br> Step by step (and explanation)
Andrews [41]

Answer:

= 7

Step-by-step explanation:

3(x−4)+9=18

3 − 1 2 + 9 = 1 8

 3 − 3 = 1 8

3  = 1 8+3

3  = 21

x= 21/3

x=7

3 0
3 years ago
HELP ME PLS IM HELLA DUMB
Anna [14]
Ur not dumb!!! i graphed the line for u here. i suggest watching some khan academy videos for extra practice!

6 0
3 years ago
Solve this for me (geometry)
faust18 [17]

Answer:

YES

Step-by-step explanation:

Any line that is tangent to a circle is always perpendicular to the radius of the circle, forming a right angle at the point of tangency.

Therefore, ∆BAC is a right triangle if it satisfy the pythagorean triple rule which says that c² = b² + a²

Where,

c = the hypotenuse = 30

b = 24

a = 2(9) = 18

Thus:

30² = 24² + 9²

900 = 900 (this is true)

Therefore, line AB is tangent to circle O.

The answer is YES

4 0
3 years ago
How will the volume of a cube change if its edge becomes twice as long; 3 times as long; 10 times as long; n times as long?
Mumz [18]

Let, initial side is a.

When side is n times long, new side na.

Initial volume, V_i=a^3

Final volume, V_f=(na)^3=n^3a^3

Change in volume, V_f-V_i=\Delta V =a^3(n^3-1)

For, n = 2 :

\Delta V = 7a^3

n = 3 :

\Delta V = 26a^3

n = 10 :

\Delta V = 999a^3

Hence, this is the required solution.

8 0
3 years ago
Y=-3.3x+614.5 please help!
pav-90 [236]

Answer:

the answer is 611.2

how,-3.3x

611.2

=6

there before 614.2 there come always+if there is nothing

then,there is- before-3.3x then rule=

<h3>- + +=-</h3>

so we have to substract it

3 0
3 years ago
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