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Harlamova29_29 [7]
3 years ago
9

HALPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
vova2212 [387]3 years ago
7 0

Answer:

False

Step-by-step explanation:

Maurinko [17]3 years ago
4 0

Answer:

False

Step-by-step explanation:

The first one 4-(-20) the negative/subtractive signs cancel each other out so the question is really just 4+20 which is 24.

The second one 4+(-20) is obviously different and the answer is -16.

I hope this helps, and have a great day!

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There are 220 students in our school. By the end of the week, it is our goal for 90% of them to have all of their homework turne
Alekssandra [29.7K]

Answer: if rounded like 68 18/100%

Step-by-step explanation:

7 0
3 years ago
The image of (6. – 9) after a dilation with respect to the origin is (4,-6). What is the scale factor
qaws [65]

Answer:2/3 or .666666

Step-by-step explanation:

The dilation is a contraction

3 0
3 years ago
A local RadioShack store wants to buy a new line of plasma TVs. Manufacturer A offers chain discounts of 18/12, and Manufacturer
andrezito [222]
Given that a<span> local RadioShack store wants to buy a new line of plasma TVs. Manufacturer A offers chain discounts of 18/12, and Manufacturer B offers terms of 17/13.

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Also, after the discount of 17/13 by manufacturer B, the selling price of the plasma TVs will be (1 - 0.17)(1 - 0.13)x = 0.83(0.87)x = 0.7221x

Thus, the final selling price after discount by manufacturer A is 0.7216 and the final selling price after dscount by manufacturer B is 0.7221x.

Therefore, Manufacturer A offers a </span><span>single equivalent discount rate that is the best deal.</span>
7 0
3 years ago
LM is the midsegment of trapezoid ABCD. AB= x + 8, LM = 4x + 3, and DC = 187. What is the value of x?
beks73 [17]
\frac{|DC|+|AB|}{2}=|LM|\\\\|AB|=x+8;\ |LM|=4x+3;\ |DC|=187\\\\substitute:\\\\\frac{187+x+8}{2}=4x+3\ \ \ \ /\cdot2\\\\195+x=8x+6\ \ \ /-195;\ /-8x\\\\-7x=-189\ \ \ /:7\\\\\underline{\underline{x=27}}
5 0
3 years ago
The maths question for algebra is
ankoles [38]

Step-by-step explanation:

Let (2n +1) be the larger odd number by definition, where n can be any real integer. Then (2n - 1) is the smaller consecutive odd number.

The product of the 2 odd numbers is (2n + 1)(2n - 1) = 4n^2 - 1 = 2(2n^2) - 1. Since n^2 must be an integer, 2(2n^2) - 1 is odd. (Shown)

4 0
3 years ago
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