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Alla [95]
3 years ago
7

Pleas help me it hard for me

Mathematics
1 answer:
Anon25 [30]3 years ago
3 0

Answer:

Step-by-step explanation:

The area of the rectangle is 3x(2x+5)=6x^2 + 15x

The are of the triangle is 2(x-3)/2 = x-3

Now subtract the triangle are from the rectangles area

6x^2 + 15x - x + 3 = 6x^2 + 14x + 3

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Solve for x and graph: <br> show your work!<br><br> -9x -30 &lt; 15?
GarryVolchara [31]
-9x - 30 < 15
<u>      + 30 + 30</u>
       <u>-9x</u> < <u>45</u>
        -9     -9
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8 0
3 years ago
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2) Avery pays $125 every 5 weeks for basketball training. What is the price per
Nataly [62]

Answer:

$1300

Step-by-step explanation:

52/5 = 10.4

$125 * 10.4 = $1300

or another way

125/5 = $25/week

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4 0
3 years ago
How do you solve w=3m - 2p​
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3 years ago
Find the number of rectangles in 8×8 chessboard. (not just the 1x1 squares)
Gekata [30.6K]

Answer:

288

Step-by-step explanation:

<em>                                             Number of rectangles</em>

<em>____________________________________________________________</em>

1 × 1 squares 9-1 = 1 = 8*8 = 64

1 × 2 squares 9-2 = 7 = 8*7 = 56

1 × 3 squares 9-3 = 6 = 8*6 = 48

1 × 4 squares 9-4 = 5 = 8*5 = 40

1 × 5 squares 9-5 = 4 = 8*4 =32

1 × 6 squares 9-6 = 3 = 8*3 = 24

1 × 7 squares 9-7 = 2 = 8*2 = 16

1 × 8 squares 9-8 = 1 = 8*1 = 8

64 + 56 + 48 + 40 + 32 + 24 + 16 + 8 = 288

<em>Thus,</em>

<em>the number of squares on a chessboard is 228.</em>

<em />

<em>Hope this helps :)</em>

8 0
3 years ago
13*100 i am tired rn
Assoli18 [71]

Answer: 1300

Step-by-step explanation:

13*10 = 130*10=1300

8 0
3 years ago
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