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weeeeeb [17]
3 years ago
7

Solve 3[-x + (2 x + 1)] = x - 1. x=

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Answer:

x= -2

Step-by-step explanation:

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What is 780 in scientific notation?
Yuki888 [10]
Scientific notation is
x*10^y such that
1<u><</u>x<10

780=7.8 times 100=7.8 times 10^2

7.8*10^2
4 0
4 years ago
Read 2 more answers
Brian has $78 and wants to purchase tapes through a music club. Each tape costs $7.50. The music club will add a total postage a
kramer

Answer:

9 tapes

Step-by-step explanation:

First, subtract the handling charge from his $78.

78 - 3.50 = 74.5

So, Brian has $74.50 to purchase tapes. Each tape costs $7.50, so let's find out how many he can purchase.

74.50 / 7.50 = 9.933 (approximately)

Since Brian can't buy 0.933 of a tape, he will only be able to buy 9 tapes.

7 0
4 years ago
What’s uh 3/4 divided by 2/3
laila [671]

Answer:

9/8

Step-by-step explanation:

to divide by a fraction multiply by the reciprocal of the fraction

3/4×3/2

multiply the fractions

3/4×3/2

3×3=9

4×2=8

9/8 is your answer

6 0
3 years ago
A room is 4m 25cm long and 3m 75cm broad. Find the area of carpet needed to cover the floor in sq. m
Keith_Richards [23]

Answer:

15.9375 sq m

Step-by-step explanation:

First convert to meters

4 m 25 cm = 4.25 m

3m 75 cm = 3.75 m

Then multiply 4.25 * 3.75 = 15.9375

5 0
2 years ago
Please help I will give you brainiest!!!
rusak2 [61]

9514 1404 393

Answer:

  x-intercept: -14/9

  y-intercept: 7

Step-by-step explanation:

This is one of the easiest forms for finding intercepts. To find the x-intercept, set y=0 and divide both sides by the coefficient of x.

  -9x = 14 . . . . . set y=0

  x = -14/9 . . . . divide by -9

__

To find the y-intercept, set x=0 and divide both sides by the coefficient of y.

  2y = 14 . . . . set x=0

  y = 7 . . . . . . divide by 2

The x-intercept is -14/9; the y-intercept is 7.

8 0
3 years ago
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