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boyakko [2]
3 years ago
5

Katherine lives (1 x 100) + (2 x 1) + (8 x 1/10 ) + (4 x 1/100 ) miles away from her grandma. Which number represents the distan

ce in base-ten numeral?
120.84
102.84
1.084
121.24
Mathematics
2 answers:
miskamm [114]3 years ago
5 0
The answer is 102.84
vovikov84 [41]3 years ago
5 0

Answer:

121.24

Step-by-step explanation:

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3/5x5/4 what the awnser? (HURRY PLZ I NEED HELP)
Ann [662]

Answer:

0.75

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLZ HELP!! Algebra is not my thing, 30 points!!<br><br> 5x + 2 = 3x + 4(2x - 1)
ira [324]

Answer:

5x + 2 = 3x + 4(2x - 1) \\ 5x + 2 = 3x + 8x - 4 \\ 3x + 8x - 5x = 2 + 4 \\ 6x = 6 \\  \boxed{x = 1}

8 0
2 years ago
A circle with radius 4 inches is inscribed in an equilateral triangle. Find the area of the triangle.
LUCKY_DIMON [66]

The inscribed circle has its center at the point of intersection of the angle bisectors, which also happen to be the medians. Hence the altitude of the triangle is 3 times the radius, or 12 inches.

The side length of this triangle is 2/√3 times the altitude, so the area is

... Area = (1/2)·b·h = (1/2)·(24/√3 in)·(12 in)

... Area = 48√3 in² ≈ 83.1384 in²

7 0
3 years ago
Plz do this question if you did I will very appreciated you. plz.​
Nastasia [14]

The area formula of a circle is r^{2} × π.

With that being said, we can solve both problems!

Starting with part A:

-The radius we know is 21cm. From there, we can substitute in our formula with the new value.

21^{2} x π

From there, we can square our radius:

(21 x 21) x π

(441) x π

And finally, we can multiply by pi to get our answer.

(441) x π

1385.44236023

Which rounded to the nearest tenth is 1385.4. Therefore, the area of the porthole is 1385.4 centimetres.

The second part can be followed with the same process, hopefully you understand the concept enough to where you're comfortable solving problems like this on your own. Feel free to reach out if you have any further trouble!

<em>Hope this helped! :)</em>

5 0
3 years ago
5x − 3y = −11<br> 2x − 6y = −14
Digiron [165]
The answer is 2x-6y=-14 is the aswer 
7 0
3 years ago
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