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arsen [322]
2 years ago
15

Show that 155 can be expressed as the sum of power of 2 and a cube number

Mathematics
1 answer:
Naya [18.7K]2 years ago
4 0
Hurddd uhsjsjjsjsjsjdjdj
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There are 4 people at a party. If each person must shake hands with every
ivolga24 [154]

Answer: 6

Step-by-step explanation: So there is 4 people and lets say I'm one of them, so I shake hands with 3 people, that's 3 handshakes, then one of those 3 people shake hands with the other 2, that's 5 handshakes, and then the last 2 shake hands with each other since they haven't, so that's 1 more which means 6 handshakes.

Sorry if this is wrong.

6 0
3 years ago
What are the solution(s) of –x2 + 2x + 3 = x2 – 2x + 3?
Leviafan [203]
-x^2+2x+3=x^2-2x+3  add x^2 to both sides

2x+3=2x^2-2x+3  subtract 2x from both sides

3=2x^2-4x+3  subtract 3 from both sides

2x^2-4x=0  factor

2x(x-2)=0

So x=0 and 2
3 0
3 years ago
Read 2 more answers
Find the area of following figure...?​
MrRa [10]

Answer:

33600 m²

Step-by-step explanation:

The top and bottom horizontal sides are parallel, so this is a trapezoid with bases DC and AB. The height is BC.

area of trapezoid = (a + b)h/2

where a and b are the lengths of the bases, and h is the height.

We need to find the height, BC.

Drop a perpendicular from point A to segment DC. Call the point of intersection E. E is a point on segment DC.

DE + EC = DC

EC = AB = 360 m

DC = 600 m

DE + 360 m = 600 m

DE = 240 m

Use right triangle ADE to find AE. Then BC = AE.

DE² + AE² = AD²

DE² + 240² = 250²

DE² = 62500 - 57600

DE² = 4900

DE = √4900

DE = 70

BC = 70 = h

area = (a + b)h/2

area = (600 m + 360 m)(70 m)/2

area = 33600 m²

4 0
1 year ago
Read 2 more answers
What statement describes the decimal equivalent of 3/ 8 ?
HACTEHA [7]

Answer:

0.375

Step-by-step explanation: All you need to do is divide 3 and 8

5 0
3 years ago
Write an equation in slope intercept form that passes through the point (4,-7) and is perpendicular to the equation y=-2x+1.
3241004551 [841]

Answer:

please use a graph to do it

8 0
2 years ago
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