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mestny [16]
3 years ago
7

How many more times larger is 8,000 than 8?

Mathematics
2 answers:
aleksley [76]3 years ago
5 0

Answer:

1,000 times bigger because you have to add the 0's in it.

Step-by-step explanation:

Flura [38]3 years ago
3 0

Answer:

8,000 is 1,000 times bigger than 8

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What is A decreased by 20% and then increased by 20% of that? Please show your work.
umka21 [38]

Answer: \\ A - 20\%A = A - 0.2A = 0.8A \\ 0.8A + 20\%0.8A = 0.8A + 0.2 \times 0.8A = 0.8 + 0.16A = 0.96A

8 0
3 years ago
Three oblique pyramids have the same regular square base. Which one has a volume of 15 cubic units if the area of the bases are
deff fn [24]

Answer:

The one which has a height of 3 units. H=3

Step-by-step explanation:

Well, the volume of pyramid is equal to the area of base multiply by the height of pyramid and divide by 3. Writing as a formula it can be expressed as V=(A*H)/3 where V is volume of pyramid, A is area of base and H is the height of pyramid. If V=15 cubic units and A=15 square units, H should be equal to 3 (to be cancelled out by 3. Please look at formula above) in order to make V=15.

8 0
3 years ago
Read 2 more answers
4(x+x+7)-2x+7-4 by substituting x=1 and x=2
yuradex [85]
4(x+x+7) x=1
4(1+1+7)
4+4+28 = 36

(-2x+7-4) x=2
-2(2)+7-4
-4+7-4 = -1

5 0
3 years ago
Read 2 more answers
What are the roots of the quadratic equation below?<br> x2 + 2x= -5
muminat

Answer:

No real root.

Complex roots:

x = -1 \pm 2i

Step-by-step explanation:

x^2 + 2x = -5

x^2 + 2x + 5 = 0

There are no two integers whose product is 5 and whose sum is 2, so this trinomial is not factorable. We can use the quadratic formula.

x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}

x = \dfrac{-2 \pm \sqrt{2^2 - 4(1)(5)}}{2(1)}

x = \dfrac{-2 \pm \sqrt{4 - 20}}{2}

x = \dfrac{-2 \pm \sqrt{-16}}{2}

Since we have a square root of a negative number, there are no real roots. If you have learned complex numbers, then we can continue.

x = \dfrac{-2 \pm 4i}{2}

x = -1 \pm 2i

7 0
3 years ago
Read 2 more answers
The price of a pen is Rs 5 more than the price of a pencil. Total price of 3 pencil and 2 pen is Rs 45.
Brut [27]

Answer:

See below

Step-by-step explanation:

a) y = 5x

b) 45 = 3y + 2x

3 0
3 years ago
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