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Alinara [238K]
3 years ago
6

Please help me with number 3

Mathematics
2 answers:
VashaNatasha [74]3 years ago
5 0
5 kilograms, kilo=1000
almond37 [142]3 years ago
5 0

5000 Grams = 5 Kilograms,

Conversion rate, 1 Kilogram= 1000Grams, Multiply to get the answer.

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zach is 23 years old. Zach's age is 3 years older than twice Maya's age. Let m represent Maya's age. What equation can be used t
PolarNik [594]
2m+3=23
2m=20
m=10
let me know in the comments if you need further explanation :)
5 0
3 years ago
It took James 5h to paint an 8ft by 24ft wall. At this rate, how long would it take him to paint a 12ft by 36ft wall
olasank [31]
8 * 24 feet = 192 sq feet per 5 hours

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So, it takes 5 * 2.25 = 11.25 hours


7 0
3 years ago
Its easy for most people i really need help what is x? 2x+17=95
UNO [17]

Answer: 39

Step-by-step explanation:

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3 0
3 years ago
Solve the equation on the interval [0, 2pi): 12cos^2 x-9=0<br><br><br> What to do?
siniylev [52]

Answer:

\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}}

Step-by-step explanation:

12\cos^2x-9=0\qquad\text{add 9 to both sides}\\\\12\cos^2x=9\qquad\text{divide both sides by 12}\\\\\cos^2x=\dfrac{9}{12}\\\\\cos^2x=\dfrac{9:3}{12:3}\\\\\cos^2x=\dfrac{3}{4}\to\cos x=\pm\sqrt{\dfrac{3}{4}}\\\\\cos x=\pm\dfrac{\sqrt3}{2}\\\\\text{Look at the picture}\\\\x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}

6 0
3 years ago
Urgent!!!!
Reika [66]

Answer:

2x=80°

x=40°

40°+20°=60°

Step-by-step explanation:

all triangles are 180°

5 0
3 years ago
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