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Ierofanga [76]
4 years ago
6

Sammy drew a rectangle that was w inches wide. The expression 2(2w) + 2(w) represents the perimeter of the rectangle that Sammy

drew. Which statement relates the perimeter to the width of the rectangle? A) The perimeter is 6 inches more than the width. B) The perimeter is 6 times the width. C) The perimeter is 2 inches more than the width. D) The perimeter is 2 times the width.
Mathematics
2 answers:
Sliva [168]4 years ago
6 0
The answer is B.
2(2w) + 2(w)
4w + 2w = 6w
Oksanka [162]4 years ago
3 0
We know that perimiter is
p=2legnth+2width
the equation they gave us is
p=2(2w)+2w
so we know that 2(2w)=2legnth so 2w=legnth
so p=2(2w)+2w
p=4w+2w
p=6w

A. we were not given specific legnths so this is false
B.the perimiter is 6 times the legnth p=6w so this is the answer
C. we were not given specific legnths so this is false
D. this is false because perimeter is 6 times the width

the answer is B
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3 years ago
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Write an absolute value equation to satisfy the given solution set shown on a number line.
aivan3 [116]

Answer: IX - 4I ≤ 4

Step-by-step explanation:

In the numer line we can see that our possible values of x are in the range:

0 ≤ x ≤ 8

And we want to find an absolute value equation such that this set is the set of possible solutions.

An example can be:

IX - 4I ≤ 4

To construct this, we first find the midpoint M of our set, in this case is 4.

Then we write:

Ix - MI  ≤ IMI

Notice that i am using the minor and equal sign, this is because the black dots means that the values x = 0 and x = 8 are included, if the dots were empty dots, it would be an open set and we should use the <  > signs.

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4 years ago
Which is the polynomial function of lowest degree with rational real coefficients, a leading coefficient of 3 and roots StartRoo
spayn [35]

Answer:

f(x)=3x^3-6x^2-15x+30

Or

f(x)=3(x-2)(x+\sqrt{5})(x-\sqrt{5})

Step-by-step explanation:

For a polynomial function of lowest degree with rational real coefficients, each root has multiplicity of 1.

The polynomial has roots x=\sqrt{5} and 2 with a leading coefficient of 3.

By the irrational root theorem of polynomials, x=-\sqrt{5} is also a root of the required polynomial.

By the factor theorem, we can write the polynomial in factored form as:

f(x)=3(x-2)(x+\sqrt{5})(x-\sqrt{5})

We expand, applying difference of two squares to obtain

f(x)=3(x-2)(x^2-5)

We expand further using the distributive property to get:

f(x)=3x^3-6x^2-15x+30

3 0
4 years ago
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James folds a piece of paper in half several times,each time unfolding the paper to count how many equal parts he sees. After fo
Snezhnost [94]

Answer:

There will be total 2048 parts of the given paper if James if able to fold the paper eleven times.

The needed function is y = 2 ^n

Step-by-step explanation:

Let us assume the piece of paper James decides to fold is a SQUARE.

Now, let us assume:

n : the number of times the paper is folded.

y : The number of parts obtained after folds.

Now, if the paper if folded ONCE ⇒  n = 1

Also, when the pap er is folded once, the parts obtained are TWO equal parts.

⇒  for n = 1 , y = 2       ..... (1)

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Also, when the paper is folded twice, the parts obtained are FOUR equal parts.

⇒  for n = 2 , y = 4       ..... (2)

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Continuing the same way, if the paper is folded SEVEN times  ⇒  n = 7

So, y = 2^ n = 2^7 = 128

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Lastly,  if the paper is folded ELEVEN  times  ⇒  n = 11

So, y = 2^ n = 2^{11} = 2048

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Thepotemich [5.8K]

Answer:

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Step-by-step explanation:

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Solution :

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26+1=27

The maximum number taken is 26.

So, There are 26 possible way to determine two  distinct integers whose sum is 27.

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