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yarga [219]
3 years ago
10

Solve for x: (5x + 9) (8x - 30)

Mathematics
1 answer:
Alik [6]3 years ago
4 0

Answer:

112x-420

Step-by-step explanation:

(5x + 9)  (8x - 30)

distribute 5x into (8x-30)

then same with 9 into (8x-30)

then combine like terms and u will get da answer

hope this helps with da pic dat i attach  

Download docx
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4 years ago
A garden has an area of 240 ft. Its length is 8 ft more than its width. What are the dimensions of the
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Answer:

w=12

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Step-by-step explanation:

The area can be found using the following equation:

A=lw

Given the information provided, we are also told the following:

l=w+8

Therefore, we can plug in our length and our area:

240=w(w+8)\\240=w^2+8w\\\\w^2+8w-240=0

We can solve by using the quadratic formula.

w=\frac{-8+\sqrt{8^2-4(1)(-240)} }{2(1)}=12 \\\\

w=12, so w+8=20.

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Ugo [173]

Answer:

ok so the answer is x>−99/4

Step-by-step explanation:

Let's solve your inequality step-by-step.

(−

2

5

)(x)−9<

9

10

Step 1: Simplify both sides of the inequality.

−2

5

x−9<

9

10

Step 2: Add 9 to both sides.

−2

5

x−9+9<

9

10

+9

−2

5

x<

99

10

Step 3: Multiply both sides by 5/(-2).

(

5

−2

)*(

−2

5

x)<(

5

−2

)*(

99

10

)

x>

−99

4

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3 years ago
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