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jolli1 [7]
3 years ago
6

74°. 2x° what is the value of x

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

Answer:

2x-7

Step-by-step explanation:

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What is 4768in expanded notation as the sum of multipacation expressions using the power of 10
vova2212 [387]
the answer is
4.7 × 10^3. .
6 0
4 years ago
Please show work
Anit [1.1K]

(1)

since both equations express y in terms of x, equate the right sides

- 2x = - 4x + 10 ( subtract 4x from both sides )

2x = 10 ( divide both sides by 2 )

x = 5

substitute x = 5 into y = - 2x → y = - 10

solution is : (x, y ) → (5, - 10 )

(2)

equate the right sides of both equations

3x = 2x - 7 ( subtract 2x from both sides )

x = - 7

substitute x = - 7 into y = 3x → y = - 21

solution is : (x, y) → (- 7, - 21)

(3)

substitute y = - 8 into the other equation

- 8 = 6x + 22 ( subtract 22 from both sides )

- 30 = 6x ( divide both sides by 6 )

x = - 5

solution is : (x, y ) → (- 5, - 8 )



6 0
3 years ago
Find the number of subsets of the set {1, 2, 3, ..., 9}
Irina18 [472]

Answer:

512

Step-by-step explanation:

the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512

6 0
3 years ago
Simplify 4^3•4^5.<br> help asap !
Julli [10]

Answer:

D

Step-by-step explanation:

when there are exponents with same bases multiplied by each other, keep the base and add the exponents

4^(3)+4^(5)=4^8

4^8 is D in this question

7 0
4 years ago
The following table shows the speed that 4 animals traveled today. For example, the turtle traveled 6 meters in 5 minutes.
den301095 [7]

Answer:

  D.  Ant

Step-by-step explanation:

To find the speed in meters per minute, divide meters by minutes:

  turtle: 6/5

  snail: 4/8 = 1/2

  caterpillar: 7/7 = 1

  ant: 12/8 = 3/2 = 1.5

The ant traveled at a rate of 1.5 meters per minute.

7 0
3 years ago
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