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svlad2 [7]
3 years ago
5

Simplify the expression: 7 - 7(5 + x) - 9x Your answer

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer:

-16x-28

Step-by-step explanation:

Break it into little pieces; start with distributing the -7:

-7(5+x)

-35-7x

Now add the rest of the problem: 7-35-7x-9x

Combine like terms: 7-35               7x-9x

7-35=-28             7x-9x=-16x

Rearrange so the coefficient and variable are upfront, giving you:

-16x-28

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Answer: u can research it up

Step-by-step explanation: 210/100 i guess

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Solve for x: x - 6 ≤ 3
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x≤ 9

Step-by-step explanation:

add 6 to the other side to get x by itself....

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3 years ago
A square garden has 49 square feet. So the perimeter of the garden must be----feet.
lianna [129]

The side length of a square is the square root of the area:

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7 0
2 years ago
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Plz help i have to submit in 20 minutes !!!
amm1812

Answer:

Step-by-step explanation:

1. a). Hypotenuse² = (Leg 1)² + (Leg 2)²

       h² = 10² + 24²

       h = √676

       h = 26

 (b). Hypotenuse² = (Leg 1)² + (Leg 2)²

       (25)² = (15)² + (leg 2)²

       Leg 2 = √(625 - 225)

                 = √400

                 = 20

  (c). Hypotenuse² = (Leg 1)² + (Leg 2)²

        h² = 4² + 6²

        h = √(16 + 36)

        h = √52

        h = 2√13

  (d). Hypotenuse² = (Leg 1)² + (Leg 2)²

        (14)² = (Leg 1)² + 7²

         Leg 1 = √(196 - 49)

                   = √147

                   = 7√3

2). Hypotenuse² = (Leg 1)² + (Leg 2)²

    Leg 1 = leg 2 = 7 units [Since, triangle is an isosceles triangle]

    h² = 7² + 7²

    h = √98

    h = 7√2

    Option (1) is the correct option.

3). Hypotenuse² = (Leg 1)² + (Leg 2)²

    (26)² = (Leg 1)² + (10)²

    Leg 1 = √(676 - 100) = 24

    Area of a right triangle = \frac{1}{2}(\text{Leg 1})(\text{Leg 2})

                                           = \frac{1}{2}(24)(10)

                                           = 120 square units

     Option (3) is the correct option.

8 0
2 years ago
It takes 10 workers 5 days to finish a road repair when working 2 hours a day! How many days would it take 2 people working it a
Tanzania [10]

Answer:

the answer is 10 days

Step-by-step explanation:

10 workers⋅5 days ⋅2 hoursday=100 worker-hours

2 workers ⋅5 hoursday=10 workers-hoursday

100 worker-hours⋅1 day10 worker-hours=10 days

3 0
2 years ago
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