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Neporo4naja [7]
3 years ago
5

The difference between a number and 20 is 45...

Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0

Answer:

25

Step-by-step explanation:

chubhunter [2.5K]3 years ago
6 0

Answer:

Step-by-step explanation:

25

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Find the area of the rectangle. Round the answer to the nearest whole number.
Fed [463]

Answer:

The area of the given rectangle is 51

Step-by-step explanation:

First we have to find the coordinates of the vertices of the rectangle.

Then the length and breadth of it using distance formula.

The distance d between points (x₁ , y₁) and (x₂ , y₂) is given by

d= \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

Finally calculate the area of rectangle using the formula,

Area of rectangle = Length * Breadth

From the given graph, we get the coordinates of the rectangle as

A(2,4) , B(-2,3) , C(1,-9) , D(5,-8)

Breadth, AB = \sqrt{(-2-2)^{2}+(3-4)^{2}} = \sqrt{16+1} = sqrt{17}

Length, BC = \sqrt{(1+2)^{2}+(-9-3)^{2}} = \sqrt{9+144} = 3 sqrt{17}

Now, Area of rectangle = Length * Breadth = AB * BC = √17 * 3√17 = 3 *17 = 51

∴ The area of the given rectangle is 51

7 0
3 years ago
Read 2 more answers
Mrs. Gilbert is interested in determining how many students spend 4 or more hours doing homework each week. She asks every stude
docker41 [41]

Answer:

C. Biased, because she only asked students on honor roll.

Step-by-step explanation:

Since Mrs. Gilbert's goal was to find how many students that spent >4 hours and not how many students that earned Honor Roll that spent >4 hours, the data is biased. Choose C.

4 0
3 years ago
Brainliesttttttttt
Dmitry [639]
8x - (5x + 4) ≥ -31

8x -5x - 4 ≥ -31

3x ≥ -31 + 4

3x ≥ -27

x ≥ - 9

Answer: a numbe line with a circle on - 9 and shading to the left.

Because that drawing represents the number that are less or equel than -9 and the answer is the numbers greater or equal than -9.
4 0
3 years ago
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Please help?????whjswkowoww
aivan3 [116]

Answer:

There is no soltion

4x + 8y = 4

(x + 2y =1 ) ⬅ multiply it by 4 ....it will give➡ 4x + 8y = 4

4 0
3 years ago
50+ points. Trapezoid EFGH has been rotated 180 degrees around the origin and then reflected across the y‐axis. Which of the fol
shepuryov [24]
Reflection across the x-axis
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3 years ago
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