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abruzzese [7]
3 years ago
11

The length of a rectangle is three more than it’s width. The perimeter is 42 inches. Write an equation to find the length and wi

dth.
Is the correct answer
W= 9 in and L= 12in ???
Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0

Answer:

Width = 9 inches , length = 12 inches.

Step-by-step explanation:

Let the width = x inches, then its length x+3 inches.

Perimeter = 2x + 2(x + 3) inches so

2x + 2(x + 3) = 42

4x + 6 = 42

4x = 36

x = 36/4 = 9

So the width is 9 in and length = 9 + 3 = 12 inches.

You are correct.


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What are the steps to this
Mice21 [21]
If f(0) = -2 that means, when you put zero instead of x in the f(x) equation, it gives -2 as answer. m is given as 2/3. So,
f(x) = mx + b
f(0) = 2/3 * 0 + b = -2 then b = -2
Then you can write the general function as ;
f(x) = 2/3*m -2

And same steps for question 25;
m is given as -1/3

f(9) = -1/3 * 9 + b = 2 then b must be 5
Then the general form of the function;
f(x) = -1/3*m +5


4 0
3 years ago
What is the answer to <br> 5(3p+4r)
natta225 [31]

You need the distributive propery so you do 5 times 3p and get 15p and then 5times 4r and get 20r so 15p plus 20r

5 0
3 years ago
Read 2 more answers
What is 3.5 as a percent?
Bess [88]

Answer:

Convert the decimal to a percentage by multiplying the decimal by  

100 .

350 %

Step-by-step explanation:

4 0
3 years ago
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(11-8)x3+7+27-3<br> (18÷3)+6+(14-8)x5<br> (11-7)x6+4+32-4
horsena [70]

The results of the arithmetic evaluations as given in the task content are; 40,42 and 62.

<h3>What are the results of the arithmetic evaluations?</h3>

The arithmetic operations above can be evaluated and simplified as follows;

(11-8)x3+7+27-3 = (3×3)+7+27-3 = 40.

(18÷3)+6+(14-8)x5 = (6)+6+(6)x5 = 42.

(11-7)x6+4+32-4 = (5×6) +4 +32-4 = 62.

Read more on arithmetic evaluations;

brainly.com/question/4694189

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8 0
2 years ago
Consider the following functions. f={(−4,−1),(1,1),(−3,−2),(−5,2)} and g={(1,1),(2,−3),(3,−1)}: Find (f−g)(1).
fenix001 [56]

Answer:

0

Step-by-step explanation:

Subtraction of functions has the property:

  • (f−g)(1) = f(1) - g(1)

f={(−4,−1),(1,1),(−3,−2),(−5,2)}  has (1,1) means that f maps 1 to 1, therefore f(1) = 1

g={(1,1),(2,−3),(3,−1)}  has (1,1), means that g maps 1 to 1, therefore g(1)=1

As a Result, since (f−g)(1) = f(1) - g(1), we have (f−g)(1) = 1-1=0

7 0
3 years ago
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