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Talja [164]
3 years ago
5

The length of a rectangle is 5 cm less than twice its width. The perimeter of the rectangle is 26 cm. What are the dimensions of

the rectangle?
Plz help ASAP!! help a girl out
Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

width = w

length = 2w - 5

Perimeter = 26

The formula for perimeter is:

P = l + l + w + w

Plug in corresponding values into this equation...

26 = (2w - 5) + (2w - 5) + w + w

Now you must solve for w

26 = 2w - 5 + 2w - 5 + w + w

Combine like terms

26 = 2w - 5 + 2w - 5 + w + w

26 = 6w - 5 - 5

26 = 6w - 10

Bring -10 to the other side by adding it to both sides

26 + 10 = 6w + (-10 + 10)

36 = 6w + 0

36 = 6w

Isolate w by dividing 6 to both sides

36/6 = 6w/6

6 = w

Width is 6 cm

To find length plug 6 in for w in the equation 2w - 5

2(6) - 5

12 - 5

7

Length is 7 cm

Hope this helped!

~Just a girl in love with Shawn Mendes

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How do u order decimals ??
Furkat [3]

Answer:

To order decimals, you first need a range of values.

Step-by-step explanation:

For example, if there are 5 values: 0.25, 0.87,0.19,0.89 and 0.98

First, look at the first digit after the decimal. The smallest digit is the smallest so far. In this case, it is 0.19 as '1' was the smallest digit. Second would be 0.25 because 2 is the second smallest digit here.

Now, we have 3 remaining numbers: 0.87, 0.89 and 0.98

You can notice that both 0.87 and 0.89 have the same first digit after the decimal.

Do fix this problem, look at the second digit and decide the smallest one. In this case, it is 0.87.

This means the order will go like this if it is smallest to largest: 0.19, 0.25, 0.87, 0.89, 0.98.

If it is largest to smallest, do it the other way around.

Hope this helped!

4 0
2 years ago
What is the coefficient of the term 13a, in the expression 13a+ 6b, a, plus, 6b?
tamaranim1 [39]

The coefficient of the term 13a is 13

The coefficient of 6b in expression is a + 6b is 6

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

13a + 6b

We have to find the coefficient of 13a

The coefficients are the numbers that multiply the variables or letters

Here in 13a , a is the variable that is multiplied with number 13

Thus the coefficient of the term 13a is 13

<em><u>Second expression:</u></em>

a + 6b

Here, in 6b , b is the variable that is multiplied with number 6

so 6 is the coefficient

4 0
4 years ago
Divide the following polynomial 27x^2-9a/3
ryzh [129]
<span>(27x^2-9a)/3
= 9x^2 - 3a

hope it helps</span>
6 0
3 years ago
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tatyana61 [14]

Answer:

Step-by-step explanation:

8×3cuartos:648

7 0
3 years ago
Please help!!!! I'll make you Brainliest!! Thanks!!
alexandr1967 [171]
Im thinking it whould be c
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4 years ago
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