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Iteru [2.4K]
3 years ago
5

The length of a rectangle is 8 mm longer than its width. Its perimeter is more than 28 mm. Let w equal the width of the rectangl

e.
1. Write an expression for the length in terms of the width.
2.Use expressions for the length and width to write an inequality for the perimeter, on the basis of the given information.
3.Solve the inequality, clearly indicating the width of the rectangle.
Mathematics
1 answer:
Marrrta [24]3 years ago
3 0
1. L = 8 + W

2. 2L + 2W > 28
16 + 2W + 2W > 28

3. 4W > 12
W > 3
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For the complex number z= 12+i what is z
ahrayia [7]

Answer: Should be A, 12 - i

Step-by-step explanation:

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4 0
3 years ago
Please help ASAP ASAP
USPshnik [31]

Answer:

2 R2

Step-by-step explanation:

3x2 is the closest youll get to 8.

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7 0
2 years ago
Read 2 more answers
-2(7a+4b)-6c=<br> Simplify
jeka94

Answer:

Because of the minus sign

2 becomes - 2

The answer is -2

Multiply a and 7

Multiply a and 1

The a just gets copied along.

The answer is a

a

7*a evaluates to 7a

Multiply b and 4

Multiply b and 1

The b just gets copied along.

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b

4*b evaluates to 4b

7*a+4*b evaluates to 7a+4b

Multiply -2 by 7a+4b

we multiply -2 by each term in 7a+4b term by term.

This is the distributive property of multiplication.

Multiply -2 and 7a

Multiply 1 and a

The a just gets copied along.

a

-2 × 7a = -14a

Multiply -2 and 4b

Multiply 1 and b

The b just gets copied along.

b

-2 × 4b = -8b

-2*(7*a+4*b) evaluates to -14a-8b

Multiply c and 6

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The c just gets copied along.

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c

6*c evaluates to 6c

The answer is -14a-8b-6c

-2*(7*a+4*b)-6*c evaluates to -14a-8b-6c

The final answer is

-14a-8b-6c

Step-by-step explanation:

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4 0
2 years ago
Find the indefinite integral. (use c for the constant of integration.) sin3 5θ cos 5θ dθ
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I'm guessing you mean

\displaystyle\int\sin^35\theta\cos5\theta\,\mathrm d\theta

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\displaystyle\int\sin^35\theta\cos5\theta\,\mathrm d\theta=\frac15\int\sin^35\theta(5\cos5\theta)\,\mathrm d\theta

=\displaystyle\frac15\int t^3\,\mathrm dt

=\dfrac{t^4}{20}+C

=\dfrac{\sin^4\5\theta}{20}+C

7 0
3 years ago
Write and solve a real-world additional problem including the sum of a rational number and it's additive inverse?
Harrizon [31]
  1. If Kayla has a red ribbon with length 25  9 m and piece of 5 7 m is cut from it and gave to Sania . Find how much long ribbon left with her?                                                                                                                                                                                                                      
  • Kayla has a ribbon of length = 25 9 m.
  • Part of ribbon give to Sania = 5 7 m.
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  • So , the ribbon left with Kayla is 2.06 m .








7 0
3 years ago
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