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vova2212 [387]
3 years ago
9

Helllllllpppp meeeeee wiiiiitgghhh thhhiiiss

Mathematics
1 answer:
vodomira [7]3 years ago
5 0

Answer:

4.) 12

5.)1.67

Step-by-step explanation:

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Please help i am being timed!!!!!!
Ivahew [28]

Answer:

fnjfc ij vcd d GB hhv

Step-by-step explanation:

tb f thg. kufc if fyi uuj

3 0
3 years ago
Mr. Evans, my next door neighbour is fifty years old. He is five times older than his son, Lucas. Lucas is four years older than
OLEGan [10]

Answer:

Lilly is 7 years old

7 0
2 years ago
A 72° sector in a circle has an area of 16.4π yd². What is the area of the circle? Use 3.14 for pi.
Dmitry [639]
The area of a sector of a circles is calculated by the equation A = πr^2 (theta/360). From the data of the sector, we determine the radius of the circle. THen, we can calculate for the area of the circle.

16.4π = πr^2 (72/360)
r = 9.06

Area of circle = πr^2 
Area of circle = π(9.06)^2
Area of circle = 82π
6 0
3 years ago
Is -8-2(3+2n)+7n equivalent to -30-13n. Explain why or why not.
seropon [69]

No, -8 - 2(3 + 2n) + 7n is not equivalent to -30 - 13n

Step-by-step explanation:

Let us revise the operation of the negative and positive numbers

  • (-) + (-) = (-)
  • (-) × (-) = (+)
  • (-) + (+) = the sign of greatest [(-) if the greatest is (-) or (+) if the greatest is (+)]
  • (-) × (+) = (-)
  • (-) - (+) = (-)
  • (+) - (-) = (+)

∵ The expression is -8 - 2(3 + 2n) + 7n

- Simplify it

∵ 2(3 + 2n) = 2(3) + 2(2n) = 6 + 4n

∴ -8 - 2(3 + 2n) + 7n = -8 - (6 + 4n) + 7n

- Multiply the bracket by (-)

∴ -8 - (6 + 4n) + 7n = -8 - 6 - 4n + 7n

- Add the like terms

∴ -8 - (6 + 4n) + 7n = (-8 - 6) - 4n + 7n

∴ -8 - (6 + 4n) + 7n = -14 + 3n

∴ -8 - 2(3 + 2n) + 7n is equivalent to -14 + 3n

∵ -14 + 3n ≠ -30 - 13n

∴ -8 - 2(3 + 2n) + 7n is not equivalent to -30 - 13n

No, -8 - 2(3 + 2n) + 7n is not equivalent to -30 - 13n

Learn more:

You can learn more about the directed numbers in brainly.com/question/10364988

#LearnwithBrainly

8 0
3 years ago
110 as a product of prime numbers
sweet [91]
110 = 11 \times 10

110 = 11 \times \ 5 \times 2

So it is the product of 5 \times 2 \times 11

And 2,5 and 11 are prime numbers, so there you go :)
8 0
3 years ago
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