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3 years ago

What is the product of StartFraction 4 Over 5 EndFraction times StartFraction 3 Over 7 EndFraction?

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

5 0

Answer:

$\frac{12}{35}$

yes

charle [14.2K]3 years ago

5 0

Answer:

B. 85/12

Step-by-step explanation:

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Yuliya22 [10]

Answer: 3/7

Step-by-step explanation:

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3 years ago

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What is the polynomial of (-3,0)(2,0)(2,0)(3,0)

olga2289 [7]

Answer:(-2,0) and (3,0)

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2 years ago

A contractor has submitted bids on three state jobs: an office building, a theater, and a parking garage. State rules do not all

german

Answer:

The following are the answer to this question:

Step-by-step explanation:

In the given question the numeric value is missing which is defined in the attached file please fine it.

Calculating the probability of the distribution for x:

$\to f(x) = 0.19\ for \ x=14\\\\\to f(x) = 0.29 \ for\ x=7\\\\\to f(x) = 0.38\ for \ x=1\\\\\to f(x)=0.14 \ for \ x=0\\$

The formula for calculating the mean value:

$\bold{ E(X)= x \times f(x)}$

$=14 \times 0.19+7 \times 0.29+1 \times 0.38+0\times 0.14\\\\=2.66 + 2.03+0.38+ 0\\\\=5.07$

$\bold{E(X^2) = x^2 \times f(x)}$

$=14^2 \times 0.19+7^2 \times 0.29+1^2 \times 0.38+0^2 \times 0.14 \\\\=196 \times 0.19+ 49 \times 0.29+1 \times 0.38+0 \times 0.14\\\\= 37.24+ 14.21+ 0.38+0 \\\\=51.83$

use formula for calculating the Variance:

$\to \bold{\text{Variance}= E(X^2) -[E(X)]^2}$

$= 51.83 - (5.07)^2\\\\= 51.83 - 25.70\\\\=26.13$

calculating the value of standard deivation:

Standard Deivation (SD) = $\sqrt{Variance}$

$= \sqrt{26.13} \\\\=5.111$

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3 years ago

Liam needs to find the solution that satisfies both equations 1. Y=1/3x+7 2. Y=-2x

enot [183]

Answer:

(-3,6)

Step-by-step explanation

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3 years ago

Si el area del cuadrado es de 80 m cuanto vale la m

Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

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3 years ago