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Lapatulllka [165]
2 years ago
8

How many times larger is 4 × 105 than 2 × 102?

Mathematics
2 answers:
Alisiya [41]2 years ago
4 0

Answer:

  • B. 2000

Step-by-step explanation:

<u>Divide the given numbers:</u>

  • 4× 10⁵ ÷ 2 × 10² = 4/2 × 10⁵⁻² = 2 × 10³ = 2000
Alex73 [517]2 years ago
3 0

Answer:

None answer applicable, answer would be 2.05882353 incorrect question or no answer given with A.B.C.D

Step-by-step explanation:

4 * 105 = 420

2 * 102 = 204

420 / 204 = 2.05882353

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A baker took 9 hours to bake 6 cakes how long does it take him to bake 1 cake?
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Answer:

1.5 hours

Step-by-step explanation:

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3 years ago
Find the area of the triangle formed by the origin and the points of intersection of parabolas y=− 1/3 (x−1)^2+8 and y=x^2−2x−3.
Kobotan [32]

Answer:

The area of the triangle formed by origin, and the points (4,5) and (-2,5) will be 15 sq. units.

Step-by-step explanation:

The two parabolas are y = - \frac{1}{3}(x - 1)^{2} + 8 and y = x² - 2x - 3.

Now, solving those two equations we will get the points of intersection.

So, - \frac{1}{3}(x - 1)^{2} + 8 = x^{2} - 2x - 3

⇒ - (x - 1)² + 24 = 3x² - 6x - 9

⇒ -x² + 2x - 1 + 24 = 3x² - 6x - 9

⇒ 4x² - 8x - 32 = 0

⇒ x² - 2x - 8 = 0

⇒ x² - 4x + 2x - 8 = 0

⇒ (x - 4)(x + 2) = 0

So, x = 4 or - 2.

Now, for x = 4 , y = 4² - 2(4) - 3 = 5 and the point of intersection is (4,5).

Or, for x = - 2, y = (- 2)² - 2(- 2) - 3 = 5 and the point of intersection is (-2,5).

Now, points (4,5) and (-2,5) make a straight line parallel to the x-axis at a perpendicular distance of 5 units from origin and its length is (4 - (- 2)) = 6 units.

So, the area of the triangle formed by origin, and the points (4,5) and (-2,5) will be = 0.5 × 5 × 6 = 15 sq. units. (Answer)

8 0
3 years ago
The cost of a student ticket to the schools play is $7. write an equation that correctly relates the cost,c,for particular numbe
charle [14.2K]
The independent variables are the cost for one ticket and the number of student tickets. The cost of the tickets depends on the number of student tickets being purchased. The equation would be c = 7s.
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3 years ago
Find the length of side y. <br> y=_ft
jolli1 [7]

Answer:

x= 0.22947

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Simplify this expression -6w + (-8) + 1+ (-7w)
Rzqust [24]

Answer:

\boxed{-6w+(-8)+1+(-7w)=-13w-7}

Step-by-step explanation:

The given expression is  -6w+(-8)+1+(-7w).


This expression is the same as;


 -6w+-8+1+-7w.

Or

 -6w-8+1-7w.


We regroup the terms to obtain;


-6w-7w-8+1


We simplify to get

-13w-7


3 0
3 years ago
Read 2 more answers
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