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MakcuM [25]
3 years ago
13

Solve these equations. |x-7|=x-7 pls help!

Mathematics
1 answer:
Degger [83]3 years ago
3 0

Answer:

x=7

Step-by-step explanation:

Solve the absolute value and you immediately find that both sides have to equal zero.

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What is the answer ​
Reika [66]

Answer:

35 mi²

Step-by-step explanation:

Let's subdivide the figure, as shown.

The lower part is a rectangle whose area is (5 mi)(18 mi) = 90 mi².

The upper part is a trapezoid whose area is found by averaging the length and multiplying the result by the width (8 mi - 5 mi), or 3 mi.

Area of trapezoid:

     12 mi + 18 mi

  ------------------------  =  15 mi             Width of trapezoid = 3 mi

                2

Thus, the area of the trapezoid is (3 mi)(15 mi) = 45 mi²

and the total area of the entire figure is

45 mi² + 90 mi² = 135 mi²

3 0
3 years ago
Pleaseee help i need this to finish my work due tomorrow
yan [13]

Answer:

40

Step-by-step explanation:

11x+13=90

11x=77

x=7

49-9=40

4 0
3 years ago
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13/17% of a quantity is equal to what fraction of the quality
Nookie1986 [14]

Answer:

13/1700

Step-by-step explanation:

so you do 13/17 x 1/100 which is 13/1700 please mark brainliest

8 0
3 years ago
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Lexy and Lonnel applied to the same university. They looked up the average SAT score of students admitted to that university. Le
Tomtit [17]

9514 1404 393

Answer:

  (a)  ❘-270 - 30❘

Step-by-step explanation:

One score is -270 and the other is +30. The difference is either of ...

  |30 -(-270)|

or

  |-270 -30| . . . . . . matches choice A

4 0
3 years ago
Please help me with either one, (all both) I’ve been struggling with this
Sholpan [36]

Answer:

x = 12, x = 7

Step-by-step explanation:

The 2 legs of the triangle are congruent, both 2x + 7, then

2x + 7 + 2x + 7 + x + 11 = 85 ← equation for perimeter

5x + 25 = 85 ( subtract 25 from both sides )

5x = 60 ( divide both sides by 5 )

x = 12

-----------------------------------------------------------

Opposite sides are congruent, then

2(2x) + 2(5x + 3) = 104 ← distribute and simplify both sides

4x + 10x + 6 = 104

14x + 6 = 104 ( subtract 6 from both sides )

14x = 98 ( divide both sides by 14 )

x = 7

5 0
2 years ago
Read 2 more answers
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