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avanturin [10]
3 years ago
15

Ellen flipped a coin 80 times. the coin landed heads up 44 times and tails up 36 times. what is the experimental probability of

landing tails up

Mathematics
2 answers:
Vaselesa [24]3 years ago
5 0

Answer:

\frac{9}{20}

Step-by-step explanation:

experimental probability is the probability of an event occuring when we perform an experiment.

It goes according to the results of the experiment, not the theory behind it.

<u>Probability of landing tails up, therefore, is the number of times it came tails up divided by the total number of times the coin was flipped.</u>

<u />

Hence

P (tails) = 36/80 = 9/20

Black_prince [1.1K]3 years ago
3 0

Answer:

i think that the answer is 50

Step-by-step explanation:

hope this helps

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40 POINTS PLS HELP I WILL ALSO GIVE BRAINLY (ANSWER THE BOXES ON BOTTOM RIGHT)
WINSTONCH [101]

Answer: See explanation

Step-by-step explanation:

ΔLNM and ΔLKN are 30°- 60°- 90° triangles

We have to find the length of LN before we can find the length of MN.

<em>In a 30°- 60°- 90° triangle, the length of the hypotenuse is 2 times the length of the shorter leg, and the length of the longer leg is the length of the shorter leg times √3</em>

Since the hypotenuse is 6, the short leg would be 3 since the hypotenuse is 2 times the length of the short leg.

LN = √3 times the shorter leg

3 × √3 = 3√3

LN = 3√3

We now know the length of the longer leg in ΔLNM (3√3)

MN would be 3√3 × √3

3√3 × √3

= 3√9

= 3 × 3 = 9

MN = 9

ΔLKM is also a 30° - 60° - 90° triangle

The short leg is 6 m

The hypotenuse would be 12 m

The longer leg would be 6√3

Perimeter: 6 + 12 + 6√3

The perimeter is 18 + 6√3

Area: 1/2 × b × h

b = 6√3

h = LN = 3√3

6√3 × 3√3

18√9 = 18 × 3 = 54

Area: 54 m²

Hope it helps!!

7 0
3 years ago
HELPPPPP ITD EASYYYYYYY!!
Kruka [31]

Answer:

11/24

Step-by-step explanation:

11/24 is your answer :) Hope this helps! I'd appriciate brainliest

3 0
3 years ago
Read 2 more answers
Hey cylindrical water tank is being filled with the hose. The depth of the water increases by 1 1/4 ft./h how many hours will it
irakobra [83]
First off, let's convert the mixed fractions to "improper", keeping in mind that the water is increasing every passing hour by 1 and 1/4.

\bf \stackrel{mixed}{1\frac{1}{4}}\implies \cfrac{1\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{5}{4}}&#10;\\\\\\&#10;\stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}}\\\\&#10;-------------------------------

\bf \begin{array}{ccll}&#10;feet&hours\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;\frac{5}{4}&1\\\\&#10;\frac{7}{2}&h&#10;\end{array}\implies \cfrac{\quad \frac{5}{4}\quad }{\frac{7}{2}}=\cfrac{1}{h}\implies \cfrac{5}{4}\cdot \cfrac{2}{7}=\cfrac{1}{h}\implies \cfrac{5}{2}\cdot \cfrac{1}{7}=\cfrac{1}{h}&#10;\\\\\\&#10;\cfrac{5}{14}=\cfrac{1}{h}\implies h=\cfrac{14\cdot 1}{5}\implies h=\cfrac{14}{5}\implies h=2\frac{4}{5}
3 0
3 years ago
PLEASE ANSWER ASAP, WILL GIVE BRAINLIEST
SOVA2 [1]

Solution :-


Given - 


The two sides other than hypotenuse = 7 cm and 24 cm


By using Pythagoras Theorem.


(Hypotenuse)²  = √(Base)² + (Perpendicular)²


Let the hypotenuse of the given triangle be x cm


⇒ (x)² = √(7)² + (24)²


⇒ √49 + 576


⇒ √625


⇒ 25


So, the length of hypotenuse is 24 cm.

hope this helps


4 0
4 years ago
Read 2 more answers
Graph the function h(x) = |x| + 4
trasher [3.6K]

Answer:

The graph of this function would be a v shape in which the slope is equal to 1 on both sides. The graph would start at (0, 4).

Step-by-step explanation:

We can tell this since the x has no coefficient. We can also tell this because the 4 is outside of the parenthesis.

3 0
4 years ago
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