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2 years ago

Can somebody help me solve this inequality

Mathematics

1 answer:

BlackZzzverrR [31]2 years ago

3 0

Answer:

108 cm²

Step-by-step explanation:

The composite shape can be divided as shown into a trapezoid and a triangle. The area of the shape is the sum of the areas of those parts.

<h3>trapezoid</h3>

The top portion of the shape is marked as a trapezoid with bases 12 cm and 6 cm, and height 6 cm. Its area is given by ...

A = 1/2(b1 +b2)h

A = 1/2(12 cm +6 cm)(6 cm) = 1/2(18 cm)(6 cm) = 54 cm²

<h3>triangle</h3>

The bottom portion of the shape is marked as a triangle. The triangle has a base of 12 cm and a height of (15 cm -6 cm) = 9 cm. Its area is ...

A = 1/2bh

A = 1/2(12 cm)(9 cm) = 54 cm²

<h3>total area</h3>

The area of the composite figure is the sum of the areas of its parts:

total area = trapezoid area + triangle area

total area = 54 cm² +54 cm² = 108 cm²

The area of the logo is 108 cm².

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3 years ago

Jayanta is raising money for the? homeless, and discovers each church group requires 2 hr of letter writing and 1 hr of? follow-

boyakko [2]

Answer:

Jayanta needs 2 labor union groups and 8 church groups.

Step-by-step explanation:

Let c denotes churches .

Let l denotes labor unions.

We know that Jayanta can only spend 20 hours letter writing and 14 hour of follow-up.

So, equations becomes:

$2c+2l=20$

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And total money raised can be shown by = $150c+175l$

We have to maximize $150c+175l$ keeping in mind that $2c+2l \leq 20$ and $c+3l \leq 14$

We will solve the two equations: $2c+2l=20$ and $c+3l=14$

We get l = 2 and c = 8

And total money raised is $150\times8 + 175\times2$ = $1200+350=1550$ dollars.

Hence, Jayanta needs 2 labor union groups and 8 church groups.

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3 years ago

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m_a_m_a [10]

What question am I supposed to answer by 9 o'clock.
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4 years ago

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Answer:

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I tried my best buddy to help u...hope it helps:)

Step-by-step explanation:

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