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Stells [14]
3 years ago
9

Simplify the expression to a polynomial in standard form (-2x – 1)(-3x2 + 6x + 8)

Mathematics
1 answer:
andreev551 [17]3 years ago
4 0

Answer:

6x^3−9x^2−22x−8

Step-by-step explanation:

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The physical position of something.
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3 years ago
A water tank hols 540 galloms but is leaking at a rate of 4 gallons per week a second water tank holds 720 gallons but is leakin
Murrr4er [49]
Let after n week both tanks have same quantity of water .

for first tank
=============
tank hold 540 gallon of water ,
leaking of water 4 gallon /week
so, in n week water leak from the tank =4× n = 4n

now, after n week quantity of water in the tank = 540 -4n

for second tank
==============
quantity of water in the tank =720 gallon
leaking of water at the rate = 7gallon/week
so, after n week water leak from the tank = 7× n =7n

after n week quantity of water rest in the tank = 720 -7n

now ,
according to question ,

water in first tank = water in second tank
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7n -4n = 720 -540

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n = 60

hence , after 60 week both tank have same quantity of water.
4 0
3 years ago
Help me find the Angle <br><br><br> Angle FGB
Llana [10]

Answer:

∠FGB = 111°

Step-by-step explanation:

FGBE is a Kite. If you draw a line segment from F to B in bisects ∠GBE and ∠GFE into two triangles. The angles of a triangle with always add up to 180°. So, in triangle FBG, ∠GFB = 45° and ∠GBF = 24°. You subtract 45 and 24 from 180 and you are left with 111°.

5 0
3 years ago
If you have an 81 for your 9 weeks grade but make a 70 on your exam whats going to be your final grade?
Ivan
To do this you need the mean.
(81*9+70)/10 that is the mean equation.
Solve.
(799)/10
79.9
79.9% Will be your grade or a C
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3 years ago
7/8 divided by 11/12<br><br> Answer has to be a fraction.<br> Include steps if possible.
andrew-mc [135]
7/8 / 11/12. First get the reciprocal of 11/12 (which is 12/11). Then multiply by the reciprocal. 7/8 * 12/11 = 84/88 don't forget to simplify 21/22
7 0
3 years ago
Read 2 more answers
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