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Vikki [24]
4 years ago
15

A: -10 b: 10 c: 5 d: 0

Mathematics
1 answer:
shepuryov [24]4 years ago
4 0
It will be choice A: -10
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How would I solve 11/15 + 3/10 with work please?!
AnnyKZ [126]
First you need to find a common denominator. 11/15 = 22/30

3/10= 9/30

9/30+22/30= 1 1/30

Hope this helps!
7 0
4 years ago
Read 2 more answers
Give reason why n2=x
neonofarm [45]

9514 1404 393

Answer:

  1. P₂ and x are both supplementary to N₁
  2. Q₁
  3. R = 90° -x
  4. ΔSMP ≅ ΔSMR ∴ PS ≅ SR

Step-by-step explanation:

1. Angles P₂ and N₁ are opposite angles of inscribed quadrilateral PMNQ, so are supplementary. Angles N₁ and N₂ form a linear pair, so are supplementary. Angles supplementary to the same angle (N₁) are congruent, hence P₂ = x ≅ N₂

__

2. ΔPMQ is isosceles, so angle Q₁ is also congruent to x.

__

3. In ΔPMQ, the sum of angles is 180°, so ...

  M₁ +2x = 180°

Dividing by 2 gives ...

  M₁/2 +x = 90°

Angle M₁ subtends arc PQ of circle M. Angle R inscribed in circle M subtends the same arc, so ...

  R = (M₁/2)

  R = 90° -x

__

4. From the above, we know that angles N₂ and R are complementary (total 90°), so angle S₂ = 90°. Segment MS will only intersect chord PR at right angles at the midpoint of that chord.

Hence S is the midpoint of PR and PS = SR.

3 0
3 years ago
What is 61,090,000 expressed in scientific notation
harkovskaia [24]

Answer: = 6.109 × 107

3 0
3 years ago
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Solve 56n+36n=0 I need help
ankoles [38]

Answer:

n = 0

Step-by-step explanation:

To solve this equation, we would have to get it into the form n = _. That would be our answer.

56n + 36n = 0

Combine like terms. 56n + 36n turns into 92n.

92n = 0

Divide both sides by 92 to get rid of the coefficient of 92 on the left side. On the right side, 0 divided by 92 is still 0.

n = 0

The solution to the equation would be n = 0.

I hope you find this helpful. :)

8 0
3 years ago
Pls show workings!!!!!
vlabodo [156]
Since the angles are being bisected, both angles are equal to each other.

33 = 4x + 1
-1 on both sides
32 = 4x
/4 on both sides
x = 8

Answer:
x = 8

8 0
3 years ago
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