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aleksley [76]
3 years ago
11

If the number 8.2×109 is written in standard notation, it is the number 82 followed by how many zeros?

Mathematics
1 answer:
KIM [24]3 years ago
5 0

Answer:

8 zeroes

Step-by-step explanation:

8.2*10^9=8200000000 which has 8 zeroes

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There is a triangular parking lot at the local mall. The second angle of the triangular parking lot is six more than twice as la
Travka [436]

Answer:

The measure of the three angles are;

The first angle is 62°

The second angle is 28°

The third angle is 90°

Step-by-step explanation:

The given information are;

The shape of the parking lot = Triangular

Let the angles of the triangle be given as follows

First angle = A

Second angle = B

Third angle = C

The given triangle interior angle dimensions are;

A = 6 + 2× B

C = A + B

However, we have;

A + B + C = 180° (Angle sum property for a triangle)

Therefore;

A + B + C = 180° gives;

C + C = 180° (Transitive property)

2·C = 180°

C = 180°/2 = 90°

C = 90°

However, C = A + B  therefore;

90° = A + B and, A = 6 + 2 × B, we get;

A + B = 90° (Symmetric property)

6 + 2× B + B = 90° (Substitution property)

6 + 3·B = 90°

3·B = 90° - 6° = 84°

B = 84°/3 = 28°

B = 28°

From, A = 6 + 2 × B, we have;

A = 6 + 2 × 28° = 62°

A = 62°

First angle = A = 62°

Second angle = B = 28°

Third angle = C = 90°

The measure of the three angles are;

First angle is 62°

Second angle is 28°

Third angle is 90°.

8 0
3 years ago
Kelly practiced her flute for 30 minutes a day for 9 days. How many total minutes did she practice?
Lesechka [4]
she practice 270 minutes
7 0
3 years ago
Read 2 more answers
Which one is lower 31.54 for 2 hours or 43.96 for 3.5 hours
pychu [463]
The answer would be 43.96 for 3.5 hours because for each hour it's 12.56
7 0
3 years ago
What is the area? in square yards.​
KengaRu [80]

Answer:

260 square yards

Step-by-step explanation:

(9+17/2)*20

8 0
3 years ago
11. Sarah claims that (x - 4) is a factor of p(x) = x2 +8x - 48.Which equation must
velikii [3]

Answer:

d) p(4) = 0.

Step-by-step explanation:

p(4) = 0:-

p(4) = 4^2 + 8(4) - 48

= 16 + 32 - 48

= 0.

This is an application of the Factor Theorem ( a special case of The Remainder Theorem)

The Factor theorem states that if (x - a) is a factor of P(x) then P(a) = 0.

7 0
3 years ago
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