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3 years ago

Jada’s robot walked out 1 foot and then half of that length again

Mathematics

1 answer:

aalyn [17]3 years ago

5 0

The total length is 1.5

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Find the value of the trigonometric ratio.

olchik [2.2K]

Answer:

30 / 34 and 15/17 simplified.

Step-by-step explanation:

cos = adjacent / hypotenuse

adjacent is the (base) which is 30 and hypotenuse is the longest side which is 34

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2 years ago

A department store offered a 15% discount off the regular price of a shirt. The amount of the discount is $3. What is the regula

torisob [31]

Answer: $3.53

Step-by-step explanation: 15 percent off can be thought of as 85% of the original value because 100-15 is 85. this means that if x is the value of the original shirt, .85x=3

divide by .85

x=3.5294

which is about $3.53

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2 years ago

Read 2 more answers

If 12 gallon of paint covers 18 of a wall, then how many quarts of paint are needed for the entire wall?

marusya05 [52]

Answer: 16 quarts

Step-by-step explanation:

There are 4 quarts per 1 gallon.

You need 4 gallons total to cover the wall.

4 x 4=16

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3 years ago

In the circle below, DB = 22 cm, and m<DBC = 60°. Find BC. Ignore my handwriting.

Karo-lina-s [1.5K]

Answer:

$BC=11\ cm$

Step-by-step explanation:

step 1

Find the measure of the arc DC

we know that

The inscribed angle measures half of the arc comprising

$m\angle DBC=\frac{1}{2}[arc\ DC]$

substitute the values

$60\°=\frac{1}{2}[arc\ DC]$

$120\°=arc\ DC$

$arc\ DC=120\°$

step 2

Find the measure of arc BC

we know that

$arc\ DC+arc\ BC=180\°$ ----> because the diameter BD divide the circle into two equal parts

$120\°+arc\ BC=180\°$

$arc\ BC=180\°-120\°=60\°$

step 3

Find the measure of angle BDC

we know that

The inscribed angle measures half of the arc comprising

$m\angle BDC=\frac{1}{2}[arc\ BC]$

substitute the values

$m\angle BDC=\frac{1}{2}[60\°]$

$m\angle BDC=30\°$

therefore

The triangle DBC is a right triangle ---> 60°-30°-90°

step 4

Find the measure of BC

we know that

In the right triangle DBC

$sin(\angle BDC)=BC/BD$

$BC=(BD)sin(\angle BDC)$

substitute the values

$BC=(22)sin(30\°)=11\ cm$

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3 years ago

What is extended form for 76.429

Zanzabum

(70x10)+(6x1)+(4x1/10)+(2x1/100)+(9x1/1000)

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3 years ago