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slavikrds [6]
1 year ago
7

Please help me asap

Mathematics
1 answer:
astraxan [27]1 year ago
6 0

Answer:

To find the inverse interchange the variables and solve for y.

Step-by-step explanation:

f−1(x)=6x−53(1+x)

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Which expression is equal to (−4x2−1)(2x2+3)?
Leya [2.2K]

Answer:

The first one:

−8x4−14x2−3

Step-by-step explanation:

(-4•2-1)(2•2+3)

-4•2 = -8

-8 - 1 = -9

(-9)(2•2+3)

2•2 = 4

4+3 = 7

(-9)(7) = -63

Now we find the one that equals -63:

-8•4-14•2-3

(-8•4)-14•2-3

-32-14•2-3

-32-(14•2)-3

-32-28-3

(-32-28)-3

-60-3

-60-3 = -63

BAM! THE ANSWER!

7 0
3 years ago
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Which statement justifies that 3x² − 2x − 4 multiplied by 2x² + x − 3 obeys the closure property of multiplication?
Anna007 [38]

Step-by-step explanation:

(3x2 - 2x - 4) (2x2 + x - 3)

6x4 + 3x3 - 9x2 - 4x3 - 2x2 + 6x - 8x2 - 4x + 12

Solving like terms

6x4 - x3 - 19x2 + 2x + 12

8 0
3 years ago
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Ashley bought a bag of 15 sweet potatoes. She used 2/5 of them for sweet potato casserole and 1/3 of them for sweet potato pie .
Tcecarenko [31]
The fraction she used was 12/7
3 0
3 years ago
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A pyramid has a square base with sides 100 feet long. The original height was 75 feet.
viva [34]

Step-by-step explanation:

<u>Step 1:  Find the volume of the original pyramid</u>

<u />V = a^2*\frac{h}{3}

V=(100)^2*\frac{75}{3}

V=10000*25

V=250000

<u>Step 2:  Find the volume of the cut off</u>

<u />V=(20)^2*\frac{15}{3}

V = 400*5

V=2000

<u>Step 3:  Find the percent that still remains</u>

<u />250000-2000

248000

248000 / 250000

0.992*100

99.2

Answer:  99.2%

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3 years ago
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Alexa buys 27 stamps, each stamp is of 1 square unit of area. She exchanges them for 8 sugar cubes, whose total volume is numeri
Vikentia [17]
The answer is 8 sugar cubes
8 0
3 years ago
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