1 year ago

Which represents the area of the figure?

Mathematics

2 answers:

Ira Lisetskai [31]1 year ago

5 0

Answer:

Step-by-step explanation:

The correct option is (A).

Marta_Voda [28]1 year ago

3 0

A is the code answer

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%7B2%7D%5E%7Bx%7D%20%20%20%2B%203" id="TexFormula1" title="f(x) = {2}^{x} +

lisov135 [29]

The function is given $f(x)=2^x+3$ .

Now let's solve for $f(-2)$ .

$f(-2)=2^{-2}+3$

Rule of negative exponent: $x^{-1}=\frac{1}{x^1}$ .

$f(-2)=\frac{1}{2^2}+3$

$f(-2)=\frac{1}{4}+\frac{3}{1}$

Rule for sum of fractions: $\frac{a}{b}+\frac{c}{d}=\frac{ad+bc}{bd}$ .

$f(-2)=\frac{13}{4}$

And the result is:

$f(-2)=\boxed{\frac{13}{4}=3.25}$

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2 years ago

The student body of a large university consists of 60% female students. A random sample of 8 students is selected. Refer to Exhi

jasenka [17]

Answer:

0.0499

Step-by-step explanation:

This is a binomial probability function expressed as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\$

Given that n =8, and p(male)=1-0.6=0.4, the probability of at least 6 being male is calculated as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X\geq 6)=P(X=6)+P(X=7)+P(X=8)\\\\={8\choose 6}0.4^6(0.6)^{2}+{8\choose 7}0.4^7(0.6)^{1}+{8\choose 8}0.4^8(0.6)^{0}\\\\=0.0413+0.0079+0.0007\\\\=0.0499$

Hence, the probability of at least 6 males is 0.0499

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2 years ago

Patricia has $425.82 in her checking account. How much does she have in her account after she makes a deposit of $120.75 and a w

sweet [91]

425.82 + 120.75
Then subtract withdrawal amount
Is $360.67

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3 years ago

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The answer is 106 centimeters.

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3 years ago

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Diano4ka-milaya [45]

the answer is the third one

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2 years ago

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