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Alona [7]
3 years ago
13

Find a polynomial equation that has double zeros at x = -3, and x = 4.

Mathematics
1 answer:
Digiron [165]3 years ago
3 0

Answer:

Step-by-step explanation:

reqd polynomial=(x+3)²(x-4)^2

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If m<ECD is six less than five times m<BCE. and m<BCD = 162°, find each measure.(Sorry bout using the wrong signs, but
tia_tia [17]

Answer:

m∠BCE = 28° and m∠ECD = 134°

Step-by-step explanation:

* Lets explain how to solve the problem

- The figure has three angles: ∠BCE , ∠ECD , and ∠BCD

- m∠ECD is six less than five times m∠BCE

- That means when we multiply measure of angle BCE by five and

 then subtract six from this product the answer will be the measure

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∴ m∠ECD = 5 m∠BCE - 6 ⇒ (1)

∵ m∠BCD = m∠BCE + m∠ECD

∵ m∠BCD = 162°

∴ m∠BCE + m∠ECD = 162 ⇒ (2)

- Substitute equation (1) in equation (2) to replace angle ECD by

  angle BCE

∴ m∠BCE + (5 m∠BCE - 6) = 162

- Add the like terms

∴ 6 m∠BCE - 6 = 162

- Add 6 to both sides

∴ 6 m∠BCE = 168

- Divide both sides by 6

∴ m∠BCE = 28°

- Substitute the measure of angle BCE in equation (1) to find the

  measure of angle ECD

∵ m∠ECD = 5 m∠BCE - 6

∵ m∠BCE = 28°

∴ m∠ECD = 5(28) - 6 = 140 - 6 = 134°

* m∠BCE = 28° and m∠ECD = 134°

3 0
3 years ago
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Choose all the expressions that are equal to 5/9 multiply 8
Lesechka [4]

Answer:

4.44

Step-by-step explanation:

the real answer is 4.44444444444

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A spinner is divided into 12 equal parts. The probability of spinning an x is 3/4
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I think it’s a or c
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Please solve and i’ll give u brainliest
Usimov [2.4K]

Solution:

<u>Note that:</u>

  • Given angles: w + 8° and 48°
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<u>Solve for w in the equation "w + 8 + 48 = 180".</u>

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  • => w = 180 - 56
  • => w = 124°

The value of w is 124.

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2 years ago
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I don’t understand geometry
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