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MakcuM [25]
3 years ago
6

Calculate (9.9x10^8) + (5.5x10^6) give the answer in standard form and show working out

Mathematics
1 answer:
TEA [102]3 years ago
6 0
Move the decimal place over as many times as the number that ten is rooted by like it would be 990,000,000 + 5,500,000 = 995,500,000 or (if they want it in the form for future reference) 995.5×10^6
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Solve the system of equations by substitution. y = 2x y = x +1​
Veronika [31]

Step-by-step explanation:

y = 2x

y = x + 1

y-1 = x

y = 2x

y = 2 (y - 1)

y = 2y - 1

y = -1

7 0
3 years ago
Need help can anyone help me???​
Paladinen [302]

Answer:

  it is greater than 45°

Step-by-step explanation:

From the relationship of angles and secants/tangents, we have ...

  m∠GSO = (long arc GO -arc GT)/2

Solving for (long arc GO), we have ...

  2(m∠GSO) +arc GT = (long arc GO)

We know that (long arc GO) > 180°, so we can write ...

  2(m∠GSO) +90° > 180° . . . . arc GT = 90°

  2(m∠GSO) > 90° . . . . . . subtract 90°

  m∠GSO > 45° . . . . . . . . divide by 2

_____

<em>Alternate solution</em>

Inscribed ∠GOT has half the measure of arc GT, so is 45°.

You know that if angle G were 90°, then the right triangle would be isosceles, and angle S would also be 45°. In this triangle, arc GTO is less than 180°, so angle G is less than 90°.

When angle G gets smaller, the sum of angles remains the same, so angle S must be larger than 45°.

This reasoning is written more formally in the math above.

8 0
3 years ago
Same-side interior angles always add
AleksAgata [21]

THEOREM:

<u>Same Side Interior Angles Theorem</u>:– If two parallel lines are cut by a transversal, then the same side interior angles are supplementary.

ANSWER:

By same side interior angles theorem,

∠4 + 123° = 180°

∠4 = 180° - 123°

∠4 = 57°.

8 0
2 years ago
A six-sided die is rolled three times. what is the probability that all three rolls will be 6?
PSYCHO15rus [73]

you have a 1/6 probability of rolling a 6

 so for 3 6's it would be

1/6 x 1/6 x 1/6 = 1/216

6 0
3 years ago
Help me please <br> And good morning
konstantin123 [22]

Answer:

It should be -8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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