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timofeeve [1]
3 years ago
12

(x + 1) (2x - 5) = 0

Mathematics
1 answer:
Marianna [84]3 years ago
3 0
X=-1 (negative one)



(i need this part to post the answer so just ignore it lol)
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A pair of shoes that regularly sells for $45 was discounted by 20% off. What is the sale price
Slav-nsk [51]
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6 0
3 years ago
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Wevel 3:<br> 12<br> What is the result when the number 81 is decreased by 7%?<br><br> pls help
Lostsunrise [7]

Answer:

Hope this helps

Step-by-step explanation: Number 81 decreased by 7% (7 percent) of its value (percentage decrease) and calculated absolute change (actual difference). Answer: percentage decreased number = 75.33, absolute change (actual difference) = -5.67

8 0
2 years ago
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A triangular pyramid with a height of 9 inches has a volume of 63 cubic inches. If the height of the triangular base is 6 inches
Bond [772]

Option D: 21 in is the base length of the triangular base.

Explanation:

Given that a triangular pyramid with a height of 9 inches has a volume of 63 cubic inches.

The height of the triangular base is 6 inches.

We need to determine the base length of the triangular pyramid.

The base length of the triangular pyramid can be determined using the formula,

Volume =\frac{1}{3} \times Bh

Substituting Volume=63 and Height=9 in the above formula, we get,

63 =\frac{1}{3} \times B(9)

Simplifying the terms, we get,

63 =3B

Dividing both sides by 3, we have,

21=B

Thus, the base length of the triangular pyramid is 21 in

Hence, Option D is the correct answer.

3 0
3 years ago
The Washingtons but a studio apartment for $240,000. They pay a down payment of $60,000. What percent of the purchase price woul
Ludmilka [50]
It would be 5%. I know the answer is right I just don’t know how to explain it. Sry. But I hope this helps.
5 0
3 years ago
Lily needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 3
iragen [17]
Answer
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OR
3.5x=456.50-159

Reason
456.50 is the total
159 is for the parts
3.5 is the number of hours

So to find the cost you have to find out how much it cost for the labor by subtracting the total cost from the cost of the parts. To find the cost of labor for each hour you have to divide the total cost of labor by the number of hours used to work on the computer
6 0
3 years ago
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