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3 years ago

What is one half added to three tenths

2 answers:

dsp733 years ago

3 0

$one \ half \to \frac{1}{2} \\\\ three \ tenths \to \frac{3}{10} \\\\ \frac{1}{2}^{(5}+\frac{3}{10}= \\\\=\frac{5+3}{10}= \\\\ =\frac{8}{10}\to\boxed{\boxed{\frac{4}{5}}}$

romanna [79]3 years ago

3 0

$\boxed{ \frac{1}{2}+ \frac{3}{10} = \frac{1\times5}{2\times5} + \frac{3}{10} = \frac{5}{10}+ \frac{3}{10} = \frac{8}{10}=0,8 }$

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The probability that a male will be colorblind is .042. Find the probabilities that in a group of 53 men, the following are true

Dvinal [7]

Answer:

See below for answers and explanations

Step-by-step explanation:

Part A

$\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=5)=\binom{53}{5}(0.042)^5(1-0.042)^{53-5}\\\\P(X=5)=\frac{53!}{(53-5)!*5!}(0.042)^5(0.958)^{48}\\\\P(X=5)\approx0.0478$

Part B

$P(X\leq5)=P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)\\\\P(X\leq5)=\binom{53}{1}(0.042)^1(1-0.042)^{53-1}+\binom{53}{2}(0.042)^2(1-0.042)^{53-2}+\binom{53}{3}(0.042)^3(1-0.042)^{53-3}+\binom{53}{4}(0.042)^4(1-0.042)^{53-4}+\binom{53}{1}(0.042)^5(1-0.042)^{53-5}\\\\P(X\leq5)\approx0.9767$

Part C

$\displaystyle P(X\geq 1)=1-P(X=0)\\\\P(X\geq1)=1-(1-0.042)^{53}\\\\P(X\geq1)\approx1-0.1029\\\\P(X\geq1)\approx0.8971$

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2 years ago

Find the value of x round to the nearest tenth

zzz [600]

Answer:

4.1 cm

Step-by-step explanation:

The segment marked x bisects the chord, so the triangle shown has legs x and 7.8, and hypotenuse 8.8.

The Pythagorean theorem can be used to find x:

8.8² = x² +7.8²

x² = 8.8² -7.8² = 77.44 -60.84 = 16.60

x = √16.6

x ≈ 4.1 . . . cm

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3 years ago

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Read 2 more answers

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yarga [219]

Graph?
well
for
|a|>b solve
a>b and a<-b

|4w+1>11
solve
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minus 1 both sides
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divide both sides by 4
w>5/2 and w<-3
graph the points -3 and 2.5
shade outside
not including

2.
union means include all common to both
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