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3 years ago

Kayla flips a quarter 200 times. She expects that

Mathematics

1 answer:

ehidna [41]3 years ago

7 0

Answer:

Experimental probability is likely to be slightly different from theoretical probability.

Step-by-step explanation:

This is because there is a 50-50 chance, but it is unlikely to be exactly 100-100. That is just to hypothesis!

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Galina is finding the area of triangle RST. To do so, she follows the steps in the table.

vladimir1956 [14]

1 step: to draw a rectangle around triangle RST, you should

draw points A(-1,-1), B(-1,3) and C(2,3);
connect points A, B, C and T consecutively.

2 step: rectangle ABCT has length AB=4 units and width BC=3 units. Then

$A_{ABCT}=4\cdot 3=12$ sq. un.

3 step:

$A_{\triangle ART}=\dfrac{1}{2}AR\cdot AT=\dfrac{1}{2}\cdot 2\cdot 3=3$ sq. un.

$A_{\triangle BRS}=\dfrac{1}{2}BR\cdot BS=\dfrac{1}{2}\cdot 2\cdot 2=2$ sq. un.

$A_{\triangle SCT}=\dfrac{1}{2}CS\cdot CT=\dfrac{1}{2}\cdot 1\cdot 4=2$ sq. un.

4 step:

$A_{\triangle RST}=A_{ABCT}-A_{\triangle ART}-A_{\triangle BRS}-A_{\triangle SCT}=12-3-2-2=5$ sq. un.

Answer: in step two you write dimensions of rectangle ABCT: length 4 units and width 3 units. Correct choice is B.

8 0

3 years ago

Read 2 more answers

How would you solve this question?

RoseWind [281]

Answer:

D) ½

Step-by-step explanation:

∛(x√x) = xᵇ

Cube both sides.

x√x = x³ᵇ

Square both sides.

x² x = x⁶ᵇ

x³ = x⁶ᵇ

Equate the exponents.

3 = 6b

b = ½

6 0

3 years ago

The sales tax in Tomball, Texas is 6%. If Debra buys 2 movie tickets that are $9.50 each and a tub of popcorn for $4, how much s

Katen [24]

Answer:

9.50 X 2 = 19

19 + 4 = 13

13/100 X 106 = 13.78

13.78-13 = 0.78

sales tax = 0.78

6 0

3 years ago

Corresponding angles are

Svetach [21]

Answer:

Angles that are congruent and have the same value

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please help me! Anyone?

shtirl [24]

Answer:

118°

Step-by-step explanation:

E=180-145=35

C=180-132=48

D=720-150-100-145-35-48=242

x=360-242=118

6 0

3 years ago

Read 2 more answers