3 years ago

A rectangle has a length of (5x+2) and a width of (3x-1) with an area of 308 square units. Find the perimeter

Mathematics

1 answer:

nadya68 [22]3 years ago

7 0

See photo. Hope this helps

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Can someone explain the process of getting to Angle A? I know the answer is 44.1 but I need to show my work so can someone show

dsp73

Answer:

Step-by-step explanation:

First you have to calculate CB in order to use sin law to calculate ∠A

CB= $\sqrt{18.4^{2} -13.2^{2} }$

CB=12.8(correct to nearest tenth)

After that, use sin law to calculate ∠A,

$\frac{18.4}{sin90} =\frac{12.8}{sinA}$ or $\frac{sin90}{18.4} =\frac{sinA}{12.8}$

sinA=0.695...

A=44.079...

=44.1(corrext to the nearest tenth)

Is that clear enough for you?

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3 years ago

What is 4, 4.9, 4 3/4, 4.329 in order from greatest to least

Sphinxa [80]

4, 4.329, 4 3/4, 4.9

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Aneli [31]

Answer:

11/3 divides by 60/11 = 660/33 = 20

Step-by-step explanation:

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3 years ago

Find the derivative of 3e^y+x=y

Sindrei [870]

You have the following function:

$y=3e^y+x$

Derivate implictly the previous expression, as follow:

$y^{\prime}=3e^yy^{\prime}+1$

Where you have used that:

$(e^y)^{\prime}=e^yy^{\prime}$

Then, the implicit derivative of the given expression is:

$y^{\prime}=3e^yy^{\prime}+1$

Next, solve for y' as follow:

$\begin{gathered} y^{\prime}-3e^yy^{\prime}=1 \\ (1-3e^y)y^{\prime}=1 \\ y^{\prime}=\frac{1}{1-3e^y} \end{gathered}$

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1 year ago

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Solnce55 [7]

Answer:

i dont know

Step-by-step explanation:

it will be 2 hours

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