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photoshop1234 [79]
3 years ago
14

The circumference of a circle

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
Use the formula C = pi * d
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X + 2y – 4z = 1<br> -2x – 4y + 4z = 6<br> -4x – 3y – 4z = 21
elena55 [62]

Answer:

x = - 1

y = - 3

z = -2

Step-by-step explanation:

Please see steps in the image attached here.

6 0
3 years ago
During a 20% off sale, the sale price of a bluetooth radio was $33.96. What was the regular price?
SVETLANKA909090 [29]

20% of the regular price was off.

So 80% of the regular price stayed on.

$33.96 was that 80% of the regular price.

(0.8) · (regular price)  =  $33.96

Divide both sides by (0.8).

Regular price =  ($33.96) / (0.8)

<em>Regular price = $42.45</em>

5 0
2 years ago
I need help with this.
valina [46]

Answer:

it is still 200

Step-by-step explanation:

because you have to times both of them and if you times 100x200=200 please let me no if this wrong

5 0
2 years ago
3. The width of a rectangle is 3x – 7. The length of the rectangle is 4x +5.
garri49 [273]

Answer:

D. 14x - 4

Step-by-step explanation:

P = 2(L + W)

P = 2(4x + 5 + 3x - 7)

P = 2(7x - 2)

P = 14x - 4

3 0
2 years ago
Please answer! 10 points!
aivan3 [116]

Answer:

its nine degrees

Step-by-step explanation:

this is also 5 pts btw

3 0
2 years ago
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