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Reil [10]
3 years ago
10

Cuide

Mathematics
1 answer:
Pie3 years ago
4 0

Answer:

Step-by-step explanation:

the wall is 10 by 10    and a block C is painted on it  

I used 22 squares to draw a square - ish block C as large as I could and I

l left a 'frame'  of unpainted blocks around C

                         9 by 8  block C   on a    10 by 10  wall

Δ   Δ   Δ   Δ   Δ   Δ   Δ   Δ   Δ

Δ                                    

Δ           

Δ                  THIS IS A TOTAL GUESS     I really need more informaiton

Δ

Δ

Δ                                                    

Δ   Δ   Δ   Δ   Δ   Δ   Δ   Δ   Δ

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What is equivalent to the expression: (10g^3 - 8g^2 + 5g - 14) + (10g^2 + 12g)
irinina [24]
10g^3 - 8g^2 + 5g - 14 + 10g^2 + 12g
its just a matter of combining like terms
10g^3 + 2g^2 + 17g - 14
5 0
3 years ago
Determine whether AB ← → and CD ← → − are parallel, perpendicular, or neither. A(-6, 2), B(−3, -4), C(1, -3), D(3, 4)
guapka [62]
Neither they connect but don’t make a 90 degree angle

6 0
2 years ago
Identify the distance between points (−3,−6,7) and (−9,5,−4), and identify the midpoint of the segment for which these are the e
melisa1 [442]

Step-by-step explanation:

LET THE Point 1 A and point 2 is B

(AB) ^2=(-9-(-3))^2+ (5-(-6))^2+(-4-7)^2=278

AB=16.67 length unit

Midpoint

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4 0
3 years ago
Read 2 more answers
Problem in image. Explain it too.
alexandr1967 [171]

\sqrt{40}  = 6.32\\\\\\or\\5\sqrt{15} \\\\

this is because when 40 is broken down into two numbers (one divisible to get out of the square root, and one not) you get 25 + 15 under the square root. we know that the square root of 25 is 5, so we can put 5 outside the root and leave 15 inside.

-------------- try the next problem, and if you don't understand, please reply back.

answer is for a) 5\sqrt{15}

5 0
2 years ago
Cupro-nickel coins are minted by mixing copper and nichel in the ratio 4:1
Softa [21]
Copper:   Nickel =  4:1

a) How much copper needed for 20 kg nickel
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C/20 = 4/1       Cross Multiply
C*1 = 4*20
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80kg Copper would be needed.

b) How much Nickel would be needed for 20 kg of Copper
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20/N = 4/1       Cross Multiply
4*N = 1*20
4N = 20   Divide both sides by N.  

N = 20/4 = 5

5kg Nickel would be needed.
8 0
3 years ago
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