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san4es73 [151]
3 years ago
10

What is the length of side BD?

Mathematics
2 answers:
maw [93]3 years ago
7 0
I would say the length of side BD is 26.1 rounded to the tenths place.
Explanation:
You can use Cosine
Equation: Cos(40)=20/x [x being BD]
Or 20/Cos(40) which leaves you with 26.10815...
Therefore BD’s length would be 26.1 when rounded.
VashaNatasha [74]3 years ago
4 0

Answer:  26.1

<u>Step-by-step explanation:</u>

cos\theta=\dfrac{adjacent}{hypotenuse}\\\\\\cos(40^o)=\dfrac{20}{BD}\\\\\\BD=\dfrac{20}{cos(40^o)}\\\\\\BD=26.1

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4) During a school carnival, students from the middle school raised money by selling crafts, food, game tickets, and school play
ioda

$225 was earned from the craft sales

and $40 was earned from the play.

Given, During a school carnival, students from the middle school raised money by selling crafts, food, game tickets, and school play admissions.

Of each dollar earned, $0.15 came from games. Craft sales earned 3 times as much as games. Food sales were 4 times the amount earned from the play.

Let the amount earned by play be x,

Now, Games earned = 0.15×500 = $75

Also, crafts earned 3×75 = $225

Now, as play earned x, then food earned 4x.

According to question,

x + 75 + 225 + 4x = 500

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So, the amount earned by Play be, $40

and the amount earned by Food be $160.

Hence, $225 was earned from the craft sales

and $40 was earned from the play.

Learn more about Linear Equations here brainly.com/question/24085666

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Step-by-step explanation:

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