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svp [43]
2 years ago
5

Find the product. - mnp (3 m - 5 n + 7 p ) -3 m2np + 5 mn2p - 7 mnp2 -3 mnp + 5 mnp - 7 mnp -3 m + 5 n2+ 7 p2 3 mnp - 5 mnp + 7

mnp
Mathematics
1 answer:
uysha [10]2 years ago
6 0

Answer:

9mnp

Step-by-step explanation:

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Let x and y be two positive numbers whose sum is 175 and (x+3)(y+4) is a maximum
Vaselesa [24]

Answer:

Step-by-step explanation:

x+y = 175

y = 175 - x

f(x) = (x+3)(y+4)

= x(175-x) + 3(175-x) + 4x + 12

= 175x - x² + 525 - 3x + 4x + 12

= -x² +176x + 537

f'(x) = -2x + 176

maximum when x = 88

y = 175-x = 87

4 0
3 years ago
A toy store’s percent of markup is 30%. A model train costs the store $50. Find the markup.
Ede4ka [16]
$104 because 30% of $80 is $24 and $80+$24 is $124 so...... that's what I got
8 0
3 years ago
16 2/3% of what number is 72
eimsori [14]

Answer:

The number is 4321

Step-by-step explanation:

Let the number be x

16 2/3% = (16x3+2)/3 % = 50/3 %

50/3 % of X = 72

50/300 x X =72

X=(72 x 300)/50

X=21600/50

X=4321

4 0
3 years ago
What is this simplified ​
ki77a [65]

Answer:

84

Step-by-step explanation:

18816 divided by 224 is 84

4 0
3 years ago
URGENT ! HELP ! Question is in photo below.
kifflom [539]

\frac{3(x+5)}{2} \cdot 2=21\cdot 2

Above step we use "Multiplication property of equality"

3(x+5)=42

In the above step we "Simplify on both sides of equation"

3x+15 = 42

In the above step we use "Distribution property"

3x+15-15=42-15

The above step is the result of using "Subtraction property of equality"

3x=27

Above step is result of "Combining the like terms"

\frac{3x}{3} =\frac{27}{3}

Above step is the result of using "Division property of equality"

x=9

Above step is result of "Simplifying fractions on either side of equation"

4 0
3 years ago
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