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2 years ago

0.7w + 16 +4 =27.28

Mathematics

2 answers:

Lilit [14]2 years ago

5 0

Answer:

Step-by-step explanation:

27.28 - 20 = 7.28

stiks02 [169]2 years ago

3 0

Answer:

w = 10.4

Step-by-step explanation:

step 1 - You add 16 and 4 which is 20

Step 2 - Than you subtract 20 from both sides so it will be 20 - 20 = 0 and 27.28 - 20 = 7.28

Step 3 - Now you take 7.28 ÷0.7 = 10.4

So the answer is 10.4

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Step-by-step explanation:

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2 years ago

Bad at math... help please ):

zavuch27 [327]

Smallest side XYZ/ Smallest side ABC = Longest side XYZ/ Longest side ABC
Let longest side XYZ be x
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3 0

2 years ago

Answer like gauss 1+3+5+7+...=999

raketka [301]

1+3+5+7+...+999 =

= 1+2+3+4+...+500

+1+2+3+...+499

= 2·(1+2+3+...+499) + 500

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7 0

2 years ago

What is the arc length of circle with a radius 6 cm. and a central angle of 45 degrees?

olga55 [171]

The arc length is 4.7124

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3 years ago

The Greek mathematician Eratosthenes (ca. 276-195 BC) measured the circumference of the earthfrom the following observations. He

denpristay [2]

Answer:

Radius of the Earth is 3978.8 Miles

Circumference of the Earth is 25000 Miles

Step-by-step explanation:

The angle of the sun shone at an angle of 7.2° to the zenith

This means that the angle of the sector of the circle is 7.2° (θ)

S = Length of the sector of the circle = 500 miles

r = radius of earth

Converting 7.2° to radians

$\theta =7.2\frac{\pi}{180}$

$S=r\theta\\\Rightarrow r=\frac{S}{\theta}\\\Rightarrow r=\frac{500}{7.2\frac{\pi}{180}}\\\Rightarrow r=3978.8\ Miles$

∴ Radius of the Earth is 3978.8 Miles

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5 0

3 years ago

0.7w + 16 +4 =27.28​

0.7w + 16 +4 =27.28