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Komok [63]
3 years ago
10

Solve the system of equations to make a and b true. Write the equation

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer:

a = 2

b = 5

Step-by-step explanation:

{b}^{0}  = 1 \\ a \times 1 = 2 \\ a = 2 \\ (2) \times  {b}^{4}  = 1250 \\  {b}^{4}  = 625 \\ b = 5

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Helpppp helpppp helppppp helppppp
mr_godi [17]

Answer:

Do you know the cylinder volume formula?Answer is: V=Pi*r^2*h Let me explain what that means. So the Pi is a constant number equal to 3.14..... and continue and this doesn't effect the volume while radius and height are the ones who do that.The volume is more effected by the radius because if both of them are a same number the radius would be greater than the height.

If r= 2 and h=2 than V=Pi*2^2*2 V=3.14*4*2

Step-by-step explanation:

Let me solve the problem!

a) r=3 h=10 than V=Pi*3^2*10 V=Pi*9*10 V=90Pi

When we increase the raduis by 1

b)r=4 h=10

V=Pi*4^2*10 so V=Pi*16*10 so V=160Pi

c)r=3 h=11

V=Pi*3^2*11 so V=Pi*9*11 so V=99Pi

It meas that when the radius is increased by 1inc the volume is greater than when you increase the height by 1.

Thank!

6 0
3 years ago
On the way home from her friend's house Sandy skateboards 30% of the way, walks 1/2 of the way, and then skips the rest of the w
netineya [11]

Answer:

0.2

Step-by-step explanation:

Convert the walking to percent

\frac{1}{2} \times 100 = 50

Add both skateboarding and walking

30\% + 50\%\\\\= 30 + 50\\\\= 80

Now, subtract that from a whole percent

100 - 80 = 20\\\\20\%

Convert it to a decimal

20\% = \frac{20}{100} \\\\=20 \div 100\\\\= 0.2

Therefore, in decimal, 0.2 is the number that shows the portion of the distance Sandy skips.

3 0
3 years ago
The table shows the altitude, in feet, of an airplane at certain times during its flight from Baltimore to Orlando since its dep
Margarita [4]

Answer:

around 8,000

Step-by-step explanation:

its because we can see that it roughly increases and decreases by 2000, its my guess, tell me how u get on

6 0
2 years ago
10x + 12 = [2+3(2x-4)+1]<br> Solve for x
pogonyaev

Answer:

-21/4

Step-by-step explanation:

3 0
3 years ago
The expression 2x−(2x+3)2+4(x−1)+x3 can be simplified into the form Ax3+Bx2+Cx+D. Find the missing constants A, B, C, and D belo
Talja [164]

Answer:

Step-by-step explanation:

Before solving this we  have to know that,

(-) ×(-)=(+)

(+)×(+) =(+)

(+)×(-)=(-)

Lets solve now,

2x-(2x+3)2+4(x-1)+x^{3} \\2x-(2x-3)^{2} +4x-4+x^{3} \\2x-(4x^{2} -12x+9)+4x-4+x^{3} \\2x-4x^{2} +12x-9+4x-4+x^{3} \\2x+12x+4x-4x^{2} -9-4+x^{3} \\14x-4x^{2} -13+x^{3} \\\\So,\\x^{3} -4x^{2} +14x-13\\\\Therefore,\\A = 1\\B = (-4)\\C = 14\\D = (-13)

Hope this helps you

Let me know if you have any other questions :-)

4 0
3 years ago
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