<img src="https://tex.z-dn.net/?f=3.18%20%5Cdiv%2010" id="TexFormula1" title="3.18 \div 10" alt="3.18 \div 10" align="absmiddle"

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s344n2d4d5 [400]

3 years ago

class="latex-formula">
Please tell me the solution with explanation and working

Mathematics

1 answer:

Maslowich3 years ago

5 0

Answer:

0.318

Step-by-step explanation:

on division with 10, the value reduces.... decimal moves forward

on multiplication, the value increases decimal moves backward....

eg: 3.18 x 10 = 31.8

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Z=(x+y)ex,x=3t,y=2−t2, find dz/dt using the chain rule. assume the variables are restricted to domains on which the functions ar

luda_lava [24]

$z=(x+y)e^x$
$\begin{cases}x=3t\\y=2-t^2\end{cases}$

$\dfrac{\mathrm dz}{\mathrm dt}=\dfrac{\partial z}{\partial x}\dfrac{\mathrm dx}{\mathrm dt}+\dfrac{\partial z}{\partial y}\dfrac{\mathrm dy}{\mathrm dt}$
$\dfrac{\mathrm dz}{\mathrm dt}=(e^x+(x+y)e^x)(3)+e^x(-2t)$
$\dfrac{\mathrm dz}{\mathrm dt}=3(1+x+y)e^x-2te^x$
$\dfrac{\mathrm dz}{\mathrm dt}=3(1+3t+2-t^2)e^{3t}-2te^{3t}$
$\dfrac{\mathrm dz}{\mathrm dt}=3(3+t-t^2)e^{3t}$

7 0

4 years ago

Suppose that IQ scores have a bell-shaped distribution with a mean of 97 and a standard deviation of 17. Using the empirical rul

a_sh-v [17]

Answer:

99.7% of IQ scores are between 46 and 148.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean of 97, standard deviation of 17.

What percentage of IQ scores are between 46 and 148?

97 - 3*17 = 46

97 + 3*17 = 148

Within 3 standard deviations of the mean, so:

99.7% of IQ scores are between 46 and 148.

5 0

4 years ago

Line JK passes through points J(–4, –5) and K(–6, 3). If the equation of the line is written in slope-intercept form, y = mx + b

garri49 [273]

Answer:

b = - 21

Step-by-step explanation:

calculate m using the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 4, - 5) and (x₂, y₂ ) = (- 6, 3)

m = $\frac{3+5}{-6+4}$ = $\frac{8}{-2}$ = - 4

y = - 4x + b ← is the partial equation

to find b substitute either of the 2 given points into the partial equation

using (- 4, - 5 ), then

- 5 = 16 + b ⇒ b = - 5 - 16 = - 21

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3 years ago

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Thepotemich [5.8K]

ans: A

its $1.07 per pound

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If a car owner owns 37 cats hes neighbor has 2 twice as much,How much?

mafiozo [28]

37*2=74 is the answer would be 74

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4 years ago

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