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sp2606 [1]
3 years ago
7

Express this number in scientific notation. 0.00082350

Mathematics
1 answer:
Vladimir [108]3 years ago
4 0

Answer:

0.00883

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10

. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

8.83

×

10

−

3

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If triangle ABC is similar to triangle DEF, which statement is true about the two triangles?
Nataly_w [17]

Answer:

<h3>B.)Segment BC is proportional to segment EF, and angles A and D are congruent.</h3>

Step-by-step explanation:

If ΔABC and ΔDEF are similar, then

AB is proportional to DE

BC is proportional to EF

CA is proportional to FD

and

angles A and D are congruent

angles B and E are congruent

angles C and F are congruent

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A red-tailed hawk dives at a constant rate in which its altitude changes by -7 1/2 meters in 15/100 second. How long will it tak
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Solve the system of equations algebraically.
Sveta_85 [38]

Answer:

x = -7 , y = 5 thus D)

Step-by-step explanation:

Solve the following system:

{4 x - 4 y = -48 | (equation 1)

5 x - 6 y = -65 | (equation 2)

Swap equation 1 with equation 2:

{5 x - 6 y = -65 | (equation 1)

4 x - 4 y = -48 | (equation 2)

Subtract 4/5 × (equation 1) from equation 2:

{5 x - 6 y = -65 | (equation 1)

0 x+(4 y)/5 = 4 | (equation 2)

Multiply equation 2 by 5/4:

{5 x - 6 y = -65 | (equation 1)

0 x+y = 5 | (equation 2)

Add 6 × (equation 2) to equation 1:

{5 x+0 y = -35 | (equation 1)

0 x+y = 5 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -7 | (equation 1)

0 x+y = 5 | (equation 2)

Collect results:

Answer:  {x = -7 , y = 5

7 0
3 years ago
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Answer:

y = -3/2x + 13

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(6,4) and (2,10)

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m=(y2-y1)/(x2-x1)

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m=6/(-4)

m =  -3/2

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y - y1 = m(x - x1)

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y - 4 = -3/2x + 9

y = -3/2x + 13

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