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3 years ago

5 tomatoes divided into $3.10

Mathematics

2 answers:

Otrada [13]3 years ago

7 0

Answer:

0.62

Step-by-step explanation:

3.1 divided by 5

.............................

pantera1 [17]3 years ago

4 0

It would be .62 for one

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B16%7D%20%20%5Ctimes%20%20%5Csqrt%5B4%5D%7B64%7D%20" id="TexFormula1" title

Alja [10]

The answer is:

$4\sqrt{2}$

Further explanation:

Given expression is a radical expression. Radical expressions involve fractional exponents.

Given:

$\sqrt[4]{16}\ *\ \sqrt[4]{64}$

Factorizing 16 and 64

$=\sqrt[4]{2*2*2*2}*\sqrt[4]{2*2*2*2*2*2}\\=\sqrt[4]{2^4} *\sqrt[4]{2^4*2^2}\\Can\ also\ be\ written\ as\\=\sqrt[4]{2^4} *\sqrt[4]{2^4}*\sqrt[4]{2^2}\\={(2^4)}^{\frac{1}{4}}*{(2^4)}^{\frac{1}{4}}*{(2^2)}^{\frac{1}{4}}\\=2*2*{(2)}^{\frac{1}{2} }\\=4*\sqrt{2}\\=4\sqrt{2}$

The answer is:

$4\sqrt{2}$

Keywords: Radical expressions, Square root

Learn more about radical expressions at:

#LearnwithBrainly

4 0

4 years ago

Stan guessed on all 10 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he

algol13

ANSWER
0.756

EXPLANATION

Let x represent number of correct answers.

We can find

$P(x = 0 \text{ or } x = 1)$

which leads us to

$P(x\ge 2) = 1 - P(x = 0\text{ or }x = 1)$

which uses the compliment of $P(x = 0\text{ or }x = 1)$ to find the probability of getting at least 2 questions correct.

Note that since $P(x=0)$ and $P(x=1)$ are mutually exclusive, we have

$P(x = 0\text{ or }x = 1) = P(x=0) + P(x=1)$

Then $P(x=0) = 3^{10}/4^{10} = (3/4)^{10}$ as we have $3^{10}$ to answer the questions incorrectly divided by the total $4^{10}$ to answer the questions.

Exactly 1 answer correct: $P(x=1) = {}_{10}C_1 \cdot(3/4)^9(1/4)^1$

Therefore

$\begin{aligned}
P(x \ge 2) &= 1 - P(x = 0\text{ or }x =1) \\
&=1 - \big[P(x=0) + P(x=1)\big] \\
&=1 - \left[ (3/4)^{10} + {}_{10}C_1 \cdot (3/4)^9(1/4)^1 \right] \\
&\approx 0.756
\end{aligned}$