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puteri [66]
2 years ago
14

MARK BRAINLIEST!!!

Mathematics
1 answer:
mash [69]2 years ago
7 0

Answer:

r-100

Step-by-step explanation:

R-100 R-100 R-100

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The length of a rectangle is 6 in. more than the width. The perimeter of the rectangle is 24 in. Find the dimensions of the rect
klasskru [66]

1. First, let us define the width of the rectangle as w and the length as l.

2. Now, given that the length of the rectangle is 6 in. more than the width, we can write this out as:

l = w + 6

3. The formula for the perimeter of a rectangle is P = 2w + 2l. We know that the perimeter of the rectangle in the problem is 24 in. so we can rewrite this as:

24 = 2w + 2l

4. Given that we know that l = w + 6, we can substitute this into the formula for the perimeter above so that we will have only one variable to solve for. Thus:

24 = 2w + 2l

if l = w + 6, then: 24 = 2w + 2(w + 6)

24 = 2w + 2w + 12 (Expand 2(w + 6) )

24 = 4w + 12

12 = 4w (Subtract 12 from each side)

w = 12/4 (Divide each side by 4)

w = 3 in.

5. Now that we know that the width is 3 in., we can substitute this into our formula for length that we found in 2. :

l = w + 6

l = 3 + 6

l = 9 in.

6. Therefor the rectangle has a width of 3 in. and a length of 9 in.

8 0
3 years ago
X^2 + 3x - 4<br><br> please answer quickly! i will mark whoever answers first as brainliest &lt;3
vlabodo [156]

Answer:

(x-1) (x+4)

Step-by-step explanation:

Factor x^2+3x-4 using the AC method

4 0
3 years ago
Find the solutions to x2 = 20.<br> :):):) i love you
monitta

Answer:

x = 10

Step-by-step explanation:

1st Divide both sides by 2: x2 ÷ 2 = 20 ÷ 2

2nd Simplify: x = 10

Hope I helped :)

7 0
3 years ago
A family plans to water ski at a local lake. If the temperature outside is 30 degrees C, what is the temperature in degrees F? U
Sphinxa [80]
30 degrees C = 86 degrees F
8 0
3 years ago
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Ac=bc and ab= 4 sqr. 2 how long are each of the legs
kykrilka [37]

Answer:

Step-by-step explanation:

ac = bc

ab = 4 sqr. 2 = 4² = 16

ab = 16

ab = ac = 16

the length of each legs is 16

4 0
3 years ago
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