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PolarNik [594]
3 years ago
15

Pls help me !!! with this

Mathematics
1 answer:
aleksandrvk [35]3 years ago
6 0
14 cm on each side. It's a square, and 169 is the square of 14. 14 x 14 is 169
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3 times the sum of 1/3 of a number and 8 is 11
photoshop1234 [79]
Algebraically, that would be expressed as:

3(\frac{1}{3}n +8) = 11
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Evaluate x – 2y if x = –3 and y = –6.
sveticcg [70]
X - 2y
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7 0
3 years ago
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MATHS
Snowcat [4.5K]

Answer:

1. 50000

2.

i 274625000cm

ii 274.625m

Step-by-step explanation:

1. Area of a rectangle: length*width

250*200=50000cm

2. Volume of a cube: length^3

i 650^3=274625000cm

ii 650 cm=6.5m; 6.5^3=274.625m

8 0
3 years ago
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Solve the equation: x2 = 1
oee [108]

Answer:

x = 0.5

Step-by-step explanation:

hope this helps!

3 0
3 years ago
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Solve the equation by completing the square. Round to the nearest tenth, if necessary. Simplify your solutions and enter them fr
Slav-nsk [51]

Answer:

-1.1, 6.1

Step-by-step explanation:

-2X^2+10X+14=0

(-2X^2+10X+14)/-2=0

X^2-5X-7=0

Then use the quadratic formula because you can't factor

Fill in the equations and solve. One should have the plus and the other should have the minus and that's how you get the 2 different answers.

A=1

B=-5

C=-7

4 0
1 year ago
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