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3 years ago

Find the base of a parallelogram with an area of 18 square inches and a height of 2 inches

Mathematics

2 answers:

Anestetic [448]3 years ago

8 0

9 inches. 18 divided by 2=9

chubhunter [2.5K]3 years ago

4 0

The area of a parallelogram is base multiplied by height and therefore 18/2 and there you go.

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Help please asap!!<br> A- z=15<br> B- z= 20<br> C- z=23<br> D- z=41

grigory [225]

Answer:

z = 15

Step-by-step explanation:

The sum S of the interior angles of a regular polygon is given by the formula

S = (n-2) x 180 where n is the number sides

Here n = 9

So S = (9-2) x 180 = 7 x 180 = 1,260

There are 9 interior angles and each angle is (5z + 65)

So the sum of all 9 interior angles = 9 (5z + 65)

= 45z + 585

Set these equal to each other and solve for z

45z + 585 = 1260

45z = 675

z = 675/45 = 15

4 0

1 year ago

You have an ant farm with 27 ants. The population of ants in your farm will double every 3 months. The table shows the populatio

disa [49]

Answer:

It represents a linear function and there will be 216 ants after 1 year

8 0

2 years ago

A country's population in 1994 was 182 million. In 2002 it was 186 million. Estimate the population in 2004 using the exponentia

iogann1982 [59]

$\bf =ae^{kt}\qquad 
\begin{cases}
1994\impliedby \textit{year 0, starting point}\\
t=0\qquad P=182
\end{cases}\implies 182=ae^{k0}
\\\\\\
182=a\cdot e^0\implies 182=a\cdot 1\implies 182=a
\\\\\\
thus\qquad P=182e^{kt}\\\\
-------------------------------\\\\$

$\bf P=182e^{kt}\qquad 
\begin{cases}
2002\impliedby \textit{8 years later}\\
t=8\qquad P=186
\end{cases}\implies 186=182e^{k8}
\\\\\\
\cfrac{186}{182}=e^{8k}\implies ln\left( \frac{93}{91} \right)=ln(e^{8k})\implies ln\left( \frac{93}{91} \right)=8k
\\\\\\
\cfrac{ln\left( \frac{93}{91} \right)}{8}=k\implies 0.0027\approx k\implies \boxed{P=182e^{0.0027t}}$

what's the population in 2004? well, from 1994 to 2004 is 10 years later, so t = 10

plug that in, to get P for 2004

3 0

3 years ago

What is the derivative of g(x)=e^(x^2+2x)+3x

UNO [17]

Ok first we can split it in two : $e^{x^2+2x}$ and $3x$ .

The derivative of $3x$ is 3.

For the first part, we use the chain rule : $[f(g(x))]'=g'(x)f'(g(x))$ hence $(e^{x^2+2x})'=(x^2+2x)'e^{x^2+2x}$ (since the derivative of the exponential is itself) hence $g'(x)=(2x+2)e^{x^2+2x}+3$

7 0

3 years ago

Read 2 more answers

Show the zero property of multiplication using the number 25

9966 [12]

Anything divided by 0 is 0 for example 25x0=0 12020202020x0=0

6 0

3 years ago