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Lera25 [3.4K]
3 years ago
8

A fence is being built around the local park in order to ensure the safety of children as they play. The rectangular park is 15

meters long and 10 meters wide. The builders need to determine how much fencing is needed. To figure this out, the builders need to find the of the park. The builders need meters of fencing.
Mathematics
2 answers:
vladimir2022 [97]3 years ago
6 0

Answer:

1. perimeter

2. 50

Step-by-step explanation:

aleksley [76]3 years ago
3 0

Answer:

perimeter abd 50!

Step-by-step explanation:

its correct on edge!

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Determine the rational zeros for the function f(x)=x^3+7x^2+7x-15
alexandr402 [8]

Answer:

1,-3,-5

Step-by-step explanation:

Given:

f(x)=x^3+7x^2+7x-15

Finding all the possible rational zeros of f(x)

p= ±1,±3,±5,±15 (factors of coefficient of last term)

q=±1(factors of coefficient of leading term)

p/q=±1,±3,±5,±15

Now finding the rational zeros using rational root theorem

f(p/q)

f(1)=1+7+7-15

   =0

f(-1)= -1 +7-7-15

     = -16

f(3)=27+7(9)+21-15

    =96

f(-3)= (-3)^3+7(-3)^2+7(-3)-15

     = 0

f(5)=5^3+7(5)^2+7(5)-15

    =320

f(-5)=(-5)^3+7(-5)^2+7(-5)-15

      =0    

f(15)=(15)^3+7(15)^2+7(15)-15

     =5040

f(-15)=(-15)^3+7(-15)^2+7(-15)-15

      =-1920

Hence the rational roots are 1,-3,-5 !

4 0
3 years ago
Read 2 more answers
PLEASE HELP 7TH GRADE MATH!!!!
Gnoma [55]

Answer:

Step-by-step explanation:

3. the answer should be -68

5.-8.97

8 0
2 years ago
Your friend claims that if a line has a slope less than 1, then any line perpendicular to it must have a positive slope. Is your
mezya [45]

Answer:

The friend's claim is not correct

Step-by-step explanation:

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal yo -1)

Example

A given line has a slope of m_1=1/2  ---> (is less than 1)

the slope of the line perpendicular to the given line is equal to

m_1*m_2=-1

substitute

(1/2)*m_2=-1

m_2=-2

so

the perpendicular line don't have a positive slope

therefore

The friend's claim is not correct

5 0
3 years ago
1. A spherical mold is used to create chocolate candy. What is the volume of the mold?
guapka [62]
The equation for volume of a sphere is pi(r)^3 This mean that the equation would be pi(11)^3 which equals 1331pi
7 0
3 years ago
Which expersstion is equevelint to (6xp) + 3?
nikitadnepr [17]

Answer:

3+(px6)

Step-by-step explanation:

3 0
3 years ago
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