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SashulF [63]
3 years ago
12

Evaluate x3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3.

Mathematics
1 answer:
White raven [17]3 years ago
8 0

Answer:

Step-by-step explanation:

x^3-2y^2-3x^3+z^4

(3)^3-2(5)^3+(-3)^4

-142

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These box plots show daily low temperatures for a sample of days in two
lara [203]

Answer:

d

Step-by-step explanation:

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PLEASE WHAT IS THE AREA OF THIS HELP ME PLEASE
BARSIC [14]

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it should be 14,580 m^2

(the ^2 means squared btw)

7 0
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The Mariners buy jerseys wholesale for $48 and sells for $468. What’s the markup rate?
AlekseyPX

Answer:

975%

Step-by-step explanation:

468/48 - 9.75

9.75 in percent form is 9.75*100=975%

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8 0
3 years ago
in your own words explain the place value relationship when the same two digits are next to each other in a multi digit number
zavuch27 [327]
I'll use 44.  
This number broken down means 4 in the 10's place and 4 in the ones place
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4 0
3 years ago
8x^2+5=22x Need help learning factoring please put work so I can understand
sp2606 [1]

Answer: (2x - 5) • (4x - 1)

STEP 1 : Equation at the end of step 1

(23x2 - 22x) + 5

STEP 2 : Trying to factor by splitting the middle term

2.1 Factoring 8x2-22x+5

The first term is, 8x2 its coefficient is 8 .

The middle term is, -22x its coefficient is -22 .

The last term, "the constant", is +5

Step-1 : Multiply the coefficient of the first term by the constant 8 • 5 = 40

Step-2 : Find two factors of 40 whose sum equals the coefficient of the middle term, which is -22 .

-40 + -1 = -41

-20 + -2 = -22 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -20 and -2

8x2 - 20x - 2x - 5

Step-4 : Add up the first 2 terms, pulling out like factors :

4x • (2x-5)

Add up the last 2 terms, pulling out common factors :

1 • (2x-5)

Step-5 : Add up the four terms of step 4 :

(4x-1) • (2x-5)

Which is the desired factorization

Final result : (2x - 5) • (4x - 1)

5 0
3 years ago
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