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Mathematics

1 answer:

Bingel [31]3 years ago

3 0

Answer:

C. 5,400

Step-by-step explanation:

To find the volume of a rectangular prism, it is length * width * height

The first rectangular prism

15 * 20 = 300

300 * 9 = 2700

The two rectangular prisms are the same so just multiply it by 2

2700 * 2 = 5400

C. 5400 is your answer

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How many metres in 4 and half kilometres

Delicious77 [7]

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3 years ago

Sonali's father age is 5 year 3 times more then Sonali. find out Sonali age if her father age is 44.

enyata [817]

<h2><u>Given</u></h2>

Age of sonali father is year 3 times more then Sonali.

Age of sonali father is 44.

Age of sonali

<h2><u>Solution</u></h2>

Let assume the age of sonali be x

➡ Age of sonali = 3x + 5

➡ Age of sonali father = 44

<h3><u>According to the </u><u>question</u></h3>

<u> $\boxed{\sf \: \large\bf{\red{ \implies}} \: \Large\rm{\purple{ 3x + 5 = 44}}}$ </u>

Now , Solving this linear equation.

$\begin{cases}\large\bf{\orange{ \implies}} \: \Large\tt{\blue{ 3x + 5 = 44}} \\ \\\large\bf{\orange{ \implies}} \: \Large\tt{\blue{ 3x \: = \: 44 \: - \: 5}} \\ \\\large\bf{\orange{ \implies}} \: \Large\tt{\blue{ 3x \: = \:39 }} \\ \\\large\bf{\orange{ \implies}} \: \Large\tt{\blue{ x \: = \: \frac{39}{3} }} \\ \\ \large\bf{\orange{ \implies}} \: \Large\tt{\blue{ x \: = \: \frac{ \cancel{39}\rm \tiny{\red{ \: \: \small^{13} }}}{ \cancel{3}} }} \\ \\\large\bf{\orange{ \implies}} \: \Large\tt{\blue{ x \: = \: 13 }}\end{cases}$