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astraxan [27]
4 years ago
6

Ok last problem of the day

Mathematics
1 answer:
tatuchka [14]4 years ago
3 0
Answer: 36/25
Steps: Evaluate the power & reduce
(3•2/5)^2 • (1/5^-3) ^3 • 5^-9
Rewrite
9•4/25 • 5^9 • 5^-9
Write in exponential form
9•4/5^2 • 5^9 • 5^-9
Reduce expression
9•4•5^7 •5^-9
Calculate
36•5^-2
Express with a positive exponent
36• 1/5^2
Evaluate & Calculate
36•1/25 → 36/25

Hope this helps ʕ•ᴥ•ʔ
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How many solutions does the equation 2(2x-10 ) -8 = 2(14-3x) have
kipiarov [429]

Answer:

x=28/5, one solution.

Step-by-step explanation:

2(2x-10)-8=2(14-3x)

4x-20-8=28-6x

4x-(-6x)-28=28

4x+6x=28+28

10x=56

x=56/10

simplify

x=28/5

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Evaluate the polynomial function when H=3<br> f(h)=4h^3-3h^2+5h-16
tester [92]

Answer:

80

Step-by-step explanation:

f(3)=4(3)^3-3(3)^2+5(3)-16

f(3)=4(3*3*3)-3(3*3)+15-16

f(3)=4(27)-3(9)+15-16

f(3)=108-27+15-16

f(3)=81+15-16

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f(3)=80

8 0
3 years ago
Find each product<br> y(9 + 2y)
yanalaym [24]
Y (9 + 2y)

= y (9) + y (2y)

= 9y + 2y²

= 2y² + 9y
3 0
3 years ago
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Most plumbing companies charge a fee to come to your house plus a charge per hour of work. The fees and charges for two plumbing
lord [1]

Answer:

Company A: y=40x+50

Company B: y=50x+25

Step-by-step explanation:

The initial fee is the y-intercept, as that is the cost at x = 0, or the cost before any time has passed. Afterwards, the rate the cost increases is the slope.

Linear equation in slope-intercept form:

y=mx+b

where m is the slope and b is the y-intercept.

Company A charges $50 up front and $40 per hour afterwards, so the equation would be:

y=40x+50

Company B charges $25 up front and $50 per hour, so:

y=50x+25

7 0
3 years ago
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