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DiKsa [7]
3 years ago
15

What is the value of x in this equation? Enter your answer in the box.

Mathematics
1 answer:
katrin [286]3 years ago
4 0

Answer:

6

Step-by-step explanation:

(2.4×10³)×(3×10^x)=7.2×10^9

(3x10^x)=(7.2×10^9)/(2.4×10^3)

3×10^x=3×10^6

10^x=10^6

*when bases are same ,powers are equated*

thus x=6

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Can someone explain the meaning of the Spiral of Theodorus?
drek231 [11]

Answer:

The Spiral of Theodorus is a construction of continuous right triangles, and each triangle has a side length of one representing the of the Pythagorean theorem, with the other sides filling in the spaces for the and in the theorem. hope that helped :)

Step-by-step explanation:

8 0
4 years ago
What is 8c squared + 7c
MariettaO [177]
(8c)^2+7c
(8c)^2=64c^2
so that..

64c^2+7c
factor out c
c(64c+7)
8 0
3 years ago
If you write 14 to the power of six in expanded form how many factors will there be
MariettaO [177]
One it is expanded i believe you should get 6 
8 0
3 years ago
Read 2 more answers
What is -7/2y = 21/2 what is the solution_______? Brainliest is on the mark if 10 point will be added as well!
miss Akunina [59]

Answer:

y= -3

Step-by-step explanation:

(-7/2)y  =21/2

Divide both sides by (-7/2) = Multiply by (-2/7)

On the left side ,after cancellation you have only  y

On the right side you multiply 21/2 by (-2/7)

y= (21*-2) / 2*7

y=(-42)/14

y=(-21)/7

y=- 3    

check:

-(7/2) of- 3 is  10.5         21/2=10.5

7 0
4 years ago
On a cold day, the temperature in a certain city changed −18.5°F over 7.4 hours.
lys-0071 [83]

Answer:

-2.5 degrees

Step-by-step explanation:

The temperature decreased 18.5 degrees F in 7.4 hours.

-

-18.5/7.4 = -2.5 degrees F

The average change in temperature over the course of 7.4 hours is -2.5 degrees F.

Your welcome!

Kayden Kohl

8th Grade

5 0
3 years ago
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