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olganol [36]
3 years ago
6

After tossing the same coin 10 times, you are surprised to find that tails has come up 7 times. you therefore conclude that this

coin is not fair and that the probability of getting tails with this coin is 0.70.
Mathematics
1 answer:
ollegr [7]3 years ago
7 0

Answer:

7/10

Step-by-step explanation:

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PLS HELP DUE TODAY
Gekata [30.6K]

Here we go !!

Since it's a regular pentagon, all it's sides are equal so let's solve for x

\hookrightarrow \: 3(x - 1)  = 5x - 6

\hookrightarrow \: 3x - 3 = 5x - 6

\hookrightarrow \:  3x - 5x =  - 6 + 3

\hookrightarrow \:  - 2x =  - 3

\hookrightarrow \: x =  \dfrac{ - 3}{ - 2}

\boxed{\boxed{x =  \dfrac{3}{2} }}

now let's find the measure of each side, i.e

\hookrightarrow \: 5x - 6

\hookrightarrow \: (5 \times  \dfrac{3}{2})  - 6

\hookrightarrow \:  \dfrac{15}{2}   - 6

\hookrightarrow \: 7.5 - 6

\mathrm{\hookrightarrow \: 1.5 \: units}

perimeter = 5 × side length ( for a regular pentagon )

\hookrightarrow \: 1.5 \times 5

\boxed{ \boxed{ \:  \:  \:  \:  \:  \:  \:  \: 7.5 \:  \:  units \:  \:  \:  \:  \:    \:  \:  }}

6 0
3 years ago
PLEASE HELP!! Really bad at these ☹️
laiz [17]
a^{2}+ \sqrt{3}(b+2 \sqrt{3})=\\\sqrt{2}^{2}+ \sqrt{3}(\sqrt{3}+2 \sqrt{3})=\\    2+ \sqrt{3}*\sqrt{3}(1+2)=\\ 2+ 3(3)=\\ 2+ 9=11
5 0
3 years ago
3. What is the y-intercept in the equation y= -2x + 5
Svetllana [295]

。☆✼★ ━━━━━━━━━━━━━━  ☾

Equations are generally in the form of:

y = mx + c

where m is the gradient and c is the y intercept

As you can see, in this equation, the y intercept is 5

Thus, your answer is C. 5

Have A Nice Day ❤  

Stay Brainly! ヅ  

- Ally ✧  

。☆✼★ ━━━━━━━━━━━━━━  ☾

8 0
3 years ago
Read 2 more answers
Use Example 1 as a model to evaluate the limitlim n→∞ nf(ci)Δxii = 1over the region bounded by the graphs of the equations. (Rou
Valentin [98]

Answer:

Explanation:

3 0
1 year ago
Describe and correct the error in finding DC
sleet_krkn [62]

Answer:

DC = 2

Step-by-step explanation:

The wrong equation was used.

The right equation to use based on the midsegment theorem of a trapezoid is:

MN = ½(AB + DC)

MN = 8

AB = 14

Substitute

8 = ½(14 + DC)

Multiply both sides by 2

8*2 = ½(14 + DC)*2

2*8 = 14 + DC

16 = 14 + DC

16 - 14 = 14 + DC - 14

2 = DC

DC = 2

6 0
3 years ago
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