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diamong [38]
3 years ago
9

5.7x10^7 - 4.5x10^9 ?

Mathematics
1 answer:
inna [77]3 years ago
8 0
Do you need it in Exact form or Decimal?
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3 ^(1 − 7 x = 7 ^x find the exact value
Shalnov [3]

Answer:

x

=

ln

(

3

)

7

ln

(

3

)

+

ln

(

7

)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Joshua's family took a road trip to Mount Rushmore. Joshua fell asleep 35% of the way through the trip. If the total length of t
stiks02 [169]
You need to calculate 35% of 400.

The way I do this on paper is I split it up into chunks and then add the chunks together.

First I would calculate 10%. To do this, divide 400 by 10, because to get from 100% to 10% you must divide by 10.

So 10% = 40

You need 30%, so you just multiply by 3, because to get from 10% to 30%, you multiply by 3.

So 30% = 120

5% is half of 10% so half of 40 is 20.

So 5% = 20

30% + 5% = 35%

120 + 20 = 140

So they had traveled 140 miles when Joshua fell asleep. Hope this helps :)
4 0
3 years ago
Read 2 more answers
Given the side measurements, classify the triangle as acute, right, obtuse, or not a triangle. 11, 13, 25 acute right obtuse not
Kryger [21]

RESPUESTA: no es un triangulo

EXPRICACION

3 0
3 years ago
Maria needs to reach a window that is eight feet above the ground. When she placed a ladder so that it reached the bottom of the
mr_godi [17]

Answer:

10 feet

Step-by-step explanation:

Given that the distance to be reached is 8 feet above ground and she she placed a ladder so that it reached the bottom of the window, the base of the ladder was 6 feet from the house, the length of the ladder considered with the other lengths forms a right angled triangle.

The length of the ladder represents the hypotenuse side hence using pythagoras theorem

F^2 = 8^2 + 6^2

where F is the length of the ladder in feet

F^2 = 64 + 36

= 100

find the root of both sides

F = 10 feet

The ladder is 10 feet long

5 0
3 years ago
How can I work out 30% of (blank) is 60?
geniusboy [140]
60/ (30/100)
= 60* (100/30)
= 200

The final answer is 200~
3 0
3 years ago
Read 2 more answers
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