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soldi70 [24.7K]
3 years ago
3

explain how the position of the decimal point changes in a quote as you divide by increasing powers of 10

Mathematics
1 answer:
Over [174]3 years ago
5 0
If you have 20/10, that equals 2. If you divide 2 again by 10, you move the decimal place over by another place, equaling 0.2.
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How many degrees does the hour hand move from 3:00 to 5:30?
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now, keeping in mind that a circular clock has 360° total, and there are 12 hours labeled on it evenly, so the angle between each hour label is 360 ÷ 12 = 30.

so, from 3pm to 5pm, it moved by 30° + 30° = 60°.

from 5pm to 5:30, that's only half an hour, so it moved half 30°, or 15°.

60° + 15° = 75°.

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3 years ago
Write an expression for the calculation double 2 and then add 5
valina [46]

Answer:


Step-by-step explanation:


7 0
4 years ago
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Let a=(?2,1,2, b=(?1,2,4, and p=(k,k,k. the vector from a to b is perpendicular to the vector from a to p when k =
prohojiy [21]
Vector a = (2, 1, 2)
Vector b = (1, 2, 4)
Vector p = (k, k, k)

Vector a to vector b = vector b - vector a = (1, 2, 4) - (2, 1, 2) = (1 - 2, 2 - 1, 4 - 2) = (-1, 1, 2)
Vector a to vector p = vector p - vector a = (k, k, k) - (2, 1, 2) = (k - 2, k - 1, k - 2)

Vector a to b is perpendicular to vector a to p if the dot product of vector a to vector b and vector a to vector p is equal to zero.
i.e. (-1, 1, 2) . (k - 2, k - 1, k - 2) = 0
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2k -3 = 0
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6 0
3 years ago
A company purchased equipment and signed a 7-year installment loan at 9% annual interest. The annual payments equal $9,000. The
ANTONII [103]
First, we should apply the present value of annuity formula. It is PV=A \frac{1- \frac{1}{(1+r)^{N}}}{r} and in this formula \frac{1- \frac{1}{(1+r)^{N}}}{r} is the present value of annuity factor.

Then, we can find the present value of the annuity by writing that, PV=9000 * 5.033 = 45297 <span>
</span>
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3 years ago
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ANSWER QUICKLY PLEASE!!
Yuki888 [10]
It is 30 degrees. Add 90 and 60 to get 180. Then subtract that from 180, since all triangles interior angles add to 180. You’ll get 30.
8 0
3 years ago
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