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ZanzabumX [31]
3 years ago
10

Help me plsssss asap ​

Mathematics
1 answer:
KiRa [710]3 years ago
4 0
Area = b*h (base times height)
Substitute
A = 9*4
A = 36
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5-2 square root x =11
timama [110]

Answer:

no solutions

Step-by-step explanation:

5 -2 sqrt(x) = 11

Subtract 5 from each side

5- 5 -2 sqrt(x) = 11-5

-2 sqrt (x) = 6

Divide each side by -2

-2/-2 sqrt(x) = 6/-2

sqrt(x) = -3

The sqrt(x) must be 0 or positive

no solutions

3 0
3 years ago
The circumference of an NBA-approved basketball is 29.6 in. Given that the radius of Earth is about 6400 km, how many basketball
ella [17]

Answer:

167,886,383 basketballs

Step-by-step explanation:

We are asked to find how many basketballs would take to circle around the equator. We have given the earth's radius. So, we need the formula to obtain it's perimeter. Thus:

Perimeter = Pi*diameter [m]\\Where Pi = 3.14

Earth's diameter is simply radius*2. It means:

P= 3.14*6400*2 = 40,192 [km]

On the other hand, we have a basketball crcumference; however, we need to obtain its diameter so that we can later calculate how many basketballs fit on earth's equator by simply dividing earth's circumference by a basketball's diameter.

Diameter of a basketball:

D= Perimeter /Pi [m]

We need to change units to fit in the international system.

29.6 in to cm = 29.6*2.54 = 75.184 [cm]

Then:

Diameter=75.184/3.14 = 23.94 [cm]

We have to convert earth's perimeter in km to cm:

Equator=40192[km]*100000=4,019,200,000 [cm]

Finally, dividing total earth's circumference by a basketball diameter:

Totalbasketballs=4,019,200,000/23.94= 167,886,383 [basketballs]

8 0
3 years ago
Which expression is equivalent to 63.56 + (–81.47)?
olganol [36]

Answer:

63.56 -81.47= -17.91

Step-by-step explanation:

cause the answer of 63.56 +(-81.47)= -17.91

8 0
3 years ago
Read 2 more answers
What numbers can go into 81 and 200
nasty-shy [4]
Number 1 & 2 both goes in 200. Numbers 9,3, & 27 goes into 81. Numbers 10,5,4,8,20, & 25 goes into 200. Hope this helps
3 0
4 years ago
Which algebraic expression demonstrates quadratic structure? ax + b where a,b are real numbers ax^2 + bx + c where a,b,c are rea
Firlakuza [10]
Ax^2 + bx + c
An expression with a quadratic structure will have a term being raised to the second power
6 0
4 years ago
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