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ololo11 [35]
3 years ago
7

Help with these two please?il give brainlest

Mathematics
2 answers:
lukranit [14]3 years ago
8 0

Answer:

it is eight and seven I think

ioda3 years ago
7 0

Answer:

8 and under the 7

Step-by-step explanation:

need a tutor???

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Your family took a road trip on Saturday. You were in the car for 4.5 hours and averaged 70 miles per hour. How many miles did y
dsp73
You traveled 315 miles because 70 miles times 4.5 hours would be 315
4 0
4 years ago
10 greater than less than, or equal to 5? Explain ​
Svetach [21]

Answer:

greater than because 10 is further to the right on a numberline than 5

Step-by-step explanation:

8 0
3 years ago
Use linear combination <br><br> 4x-9y=1<br> -2x+3y=-1
kirill [66]

Answer:

  (x, y) = (1, 1/3)

Step-by-step explanation:

The x-coefficient in the first equation is -2 times that in the second equation, so adding twice the second equation to the first will eliminate x:

  (4x -9y) +2(-2x +3y) = (1) +2(-1)

  -3y = -1 . . . . simplify

  y = 1/3 . . . . . divide by -3

The y-coefficient in the first equation is -3 times the y-coefficient in the second equation, so adding 3 times the second equation to the first will eliminate y:

  (4x -9y) +3(-2x +3y) = (1) +3(-1)

  -2x = -2 . . . . . . simplify

  x = 1 . . . . . . . . . divide by -3

The solution is (x, y) = (1, 1/3).

8 0
3 years ago
ASAP please i need help
Alla [95]

Answer:

1 hr 20 min.

Step-by-step explanation:

5 0
3 years ago
Is the following equation Linear, Non-linear, or neither<br> 5x +2(x3 - 9) = 132 + 8x?
Nataly [62]

Answer:

x = 50

Step-by-step explanation:

5x + 2(3x - 9) = 132 + 8x

5x + 6x - 18 = 132 + 8x

11x - 18 = 132 + 8x

11x - 18 = 8x + 132

11x - 18 + 18 = 8x + 132 + 18

11x = 8x + 150

11x - 8x = 8x - 8x + 150

3x = 150

3x ÷ 3 = 150 ÷ 3

x = 50

6 0
3 years ago
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