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mihalych1998 [28]
3 years ago
10

3. A rectangle has a perimeter of 42 feet. Its length, L, is three feet more than twice its width, W.

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0
Step by step equation
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Brainly sucks d ï ç k no one answers on here​
Hunter-Best [27]

Answer:

bet

Step-by-step explanation:

8 0
3 years ago
3x3-27x=0<br> Solve by factoring a
Eddi Din [679]

After factoring 3x^3-27x=0 the solutions are x=0 , x=3, x= -3

Step-by-step explanation:

We need to solve by factoring:

3x^3-27x=0

Solving:

3x^3-27x=0

Taking 3x common:

3x(x^2-9)=0

Now using formula a^2-b^2=(a-b)(a+b)

3x((x)^2-(3)^2)=0\\3x(x-3)(x+3)=0

3x=0\,\,and\,\,x+3=0\,\,and\,\,x-3=0\\x=0\,\,and\,\,x=-3\,\,and\,\,x=3\\

So, After factoring 3x^3-27x=0 the solutions are x=0 , x=3, x= -3

Keywords: Factorization

Learn more about Factorization at:

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#learnwithBrainly

5 0
3 years ago
The results of a survey indicate that the true proportion of households who want a park in their neighborhood is likely in the i
GrogVix [38]

Answer:

0.66

Step-by-step explanation:

What are you giving there is a confidence interval. You can obtain a confidence interval based on a sample you got. The length of the confidence interval is determined on how much confidence do you want for your interval (the probability of the real value being inseide the interval) and how big is the sample: the bigger the sample, the smaller the length of the confidence interval. Independently of the sample length, all intervals are centered on the average value you got for the sample, and that is your estimate. In this case, the center of the interval is 0.52+0.8/2 = 0.66.

4 0
3 years ago
Read 2 more answers
Write the equation 12 − y = 2x − 5 in slope-intercept form. What are the slope and y-intercept? A. y=2x−17,m=2, y-intercept (0,−
MrRissso [65]

Answer:

D

Step-by-step explanation:

12-y=2x-5

+5        +5  ( add 5 to both sides)

17-y=2x

-17    -17  (Subtract 17 to get y by itself)

-y=2x-17

divide by -1 because y cant be negative

y=-2x+17

m=-2 and y-intercept= 17

I hope thats right :)  

8 0
3 years ago
Equivalent fractions to 1/3
pochemuha
= 2/6 = 3/9 = 12/36 = 24/72 
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3 years ago
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