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3 years ago

What is the approximate area of a circle with a radius of 26 feet

Mathematics

1 answer:

My name is Ann [436]3 years ago

3 0

The area of a circle with a radius of 26 would be <span>2123.72 ft.</span>

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In ΔPQR, r = 4.9 cm, ∠R=21° and ∠P=104°. Find the length of p, to the nearest 10th of a centimeter.

Galina-37 [17]

Answer:7 +7=14/8Step-by-step explanation:

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3 years ago

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Mid Linear Equation // ALGEBRA I HELP PLSS

Rzqust [24]

Answer:

1. y = -125000x + 700000

2. Negative

3. Positive

Step-by-step explanation:

1. The no. Of gallons before irrigation

= 700000

After irrigation = 200000

This means that there was a reduction of 500000 gallons in 4 hours which indicates that 125000 gallons were used (on an average) in 1 hour

So the equation is

y = 700000 - 125000x

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3 years ago

AB ← → is tangent to circle O at point A. If m∠AOB = 55°, what is m∠ABO ?

AlladinOne [14]

A tangent forms a right angle with the centre of circle at the point it touches the circumference. i.e. OAB = 90 degrees
If AOB = 55 degrees, then ABO = 90 - 55 = 35 degrees

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3 years ago

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Factor 23 + 2z2 - 9z - 18.

Alisiya [41]

2z2-9z+5

you have to do 23 -18 to get the 5 and since there is nothing else that u can factor at the moment u just need to right in the proper order which is 2z2-9z+5

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3 years ago

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How do I work out this problem?

cluponka [151]

First we need to find ∡PRQ. To do this we can use the fact that the sum of the interior angles of a triangle is 180°:

$180=R+P+Q$
$180=R+40+105$
$180=R+145$
$R=180-145$
$R=35$

Now, we can use the fact that a strait line (like SRQ) is also 180°:
$SRQ=180-R$
$SRQ=180-35$
$SRQ=145$ °

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3 years ago