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hoa [83]
3 years ago
13

What is the perimeter of a lawn that is 25 feet long and 20 feet wide?

Mathematics
2 answers:
Rama09 [41]3 years ago
7 0
A.90 feet

2(25)+2(20)
50+40
90
drek231 [11]3 years ago
4 0

Answer:

a. 90 ft

Step-by-step explanation:

20+20+25+25

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The sales totals at Macy's food store have increased exponentially over the months. Which of these best shows the sales in the f
AleksandrR [38]

Answer:

Letter C

Step-by-step explanation:

8 0
2 years ago
Let V=ℝ2 and let H be the subset of V of all points on the line 4x+3y=12. Is H a subspace of the vector space V?
sergejj [24]

Answer:

No, it isn't.

Step-by-step explanation:

We have V=IR^{2} and let H be the subset of V of all points on the line

4x+3y=12

We need to find if H is a subspace of the vector space V.

In IR^{2} all the possibilities for own subspace of the vector space IR^{2} are :

  • IR^{2} itself.
  • The vector 0_{IR^{2}}=\left[\begin{array}{c}0&0\end{array}\right]
  • All lines in IR^{2} that passes through the origin  (  0_{IR^{2}}=\left[\begin{array}{c}0&0\end{array}\right]  )

We know that H is the subset of IR^{2} of all points on the line 4x+3y=12

If we look at the equation, the point \left[\begin{array}{c}0&0\end{array}\right] doesn't verify it because :

4x+3y=12\\4(0)+3(0)=12\\0=12

Which is an absurd. Therefore, H doesn't contain the origin (and H is a line in IR^{2}). Finally, it can't be a vector space of V=IR^{2}

8 0
3 years ago
How do I graph y = 1/5 cos x
MariettaO [177]
The answer is here. Hope I did help you.

4 0
3 years ago
A recent survey at a high school found that 3 out of 5 seniors played atleast one sport during high school.
Lena [83]

Answer:

D, 150 Seniors out of 250

Step-by-step explanation:

Multiply 3*150, and 5*150.

150 over 250 is the same as 3 out of 5.

4 0
3 years ago
Read 2 more answers
If 3x + 4y = 5, and x - y = 1, then what is y and x?
11Alexandr11 [23.1K]
I hope this helps you 4×[x-y=1] 4x-4y=4 3x+4y+4x-4y=5+4 7x=9 x=9/7 9/7-y=1 y=9/7-1 y=2/7
7 0
3 years ago
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