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olga2289 [7]
3 years ago
7

Can someone help me ? Please thank you

Mathematics
1 answer:
Tom [10]3 years ago
7 0
Correct answer is the 4th choice 16!!!

Hope this helps!!!
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Ricardo paid $15 for 4 pounds of almonds. At this price, how much would he pay for 10 pounds of
vampirchik [111]
I know the answer is 37.5
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Marty drew a model of the school library. The total area of the floor is 132 square
motikmotik

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Step-by-step explanatio11n:

116

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3 years ago
How to solve 2x^2-4x+7=5
Pachacha [2.7K]

chur answer would be X=1

5 0
2 years ago
Find the area of the regular trapezoid. The figure is not drawn to scale. The top side is 4, the bottom side is 7, and both side
svp [43]
A regular trapezoid is shown in the picture attached.

We know that:
DC = minor base = 4
AB = major base = 7
AD = BC = lateral sides or legs = 5

Since the two legs have the same length, the trapezoid is isosceles and we can calculate AH by the formula:

AH = (AB - DC) ÷ 2
      = (7 - 5) ÷ 2
      = 2 ÷ 2
      = 1

Now, we can apply the Pythagorean theorem in order to calculate DH:
DH = √(AD² - AH²) 
      = √(5² - 1²)
      = √(25 - 1)
      = √24
      = 2√6

Last, we have all the information needed in order to calculate the area by the formula:

A =  \frac{(AB + CD)DH}{2}

A = (7 + 5) × 2√6 ÷ 2
   = 12√6

The area of the regular trapezoid is 12√6 square units.

7 0
3 years ago
Simplify (x - y + 1) - (x + y - 1)
andrey2020 [161]
First, distribute the minus sign across the second set. So you have:

x - y + 1 - x - y + 1

Now, we combine like terms:
x-x=0
-y-y=-2y
1+1=2

So we have -2y+2

Hope that helps.
5 0
3 years ago
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