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3 years ago

6

If a coin is flipped twenty-five times and lands tails up seventeen times, the experimental probability that the coin lands tail

s up is .

1 answer:

aliina [53]3 years ago

5 0

Tails was landed 17/25 times, so the experimental probability would be .68 or 68%
17/25 = .68
Hope this helps!

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babymother [125]

Answer:

m∠RPQ = 8°

Step-by-step explanation:

m∠QRS = 4x - 15

m∠RPQ = x + 1

m∠PQR = x - 2

m∠QRS is exterior angle and m∠RPQ and m∠PQr are opposite interior angles to m∠QRS

m∠QRS = m∠RPQ + m∠PQR {Exterior angle property of triangle}

4x - 15 = x +1 + x - 2

4x - 15 = x + x + 1-2 {Combine like terms}

4x - 15 = 2x - 1 {Subtract 2x from both sides}

4x - 2x - 15 = - 1

2x - 15 = - 1 {Add 15 to both sides}

2x = -1 + 15

2x = 14 {Divide both sides by 2}

x = 14/2

x = 7

m∠RPQ = x + 1 = 7 + 1 = 8°

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3 years ago

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the triangles below are congruent and their corresponding parts are marked. name all the corresponding congruent angles and side

GuDViN [60]

Answer:

See explanation

Step-by-step explanation:

The triangles below are congruent and their corresponding parts are marked.

a) Angles marked with one arc are congruent, so $\angle B\cong \angle Z.$

Angles marked with two arcs are congruent, so $\angle A\cong \angle Y.$

Angles marked with three arcs are congruent, so $\angle C\cong \angle X.$

b) Sides marked with one segment are congruent, so $\overline {AC}\cong \overline {YX}.$

Sides marked with two segments are congruent, so $\overline {BC}\cong \overline {ZX}.$

Sides marked with three segments are congruent, so $\overline {AB}\cong \overline {YZ}.$

c) Name teo congruent triangle following the congruence of angles:

$\triangle BCA\cong \triangle ZXY$

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weeeeeb [17]

1) acknowledge the rule that anything that’s outside of the bracket applies to EVERYTHING inside of the bracket
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3 years ago

8x - 9 - 5x = 3x - 36 - 18x

makkiz [27]

Answer:

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3 years ago

CORRECT ANSWER=BRAINLIEST POINTS

viktelen [127]

X=10 Y=1.25; X=8 Y=1; X=6 Y=0.75; X=4 Y=0.5

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2 years ago