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koban [17]
3 years ago
14

Can someone's help me please ​

Mathematics
2 answers:
Fofino [41]3 years ago
6 0

Answer:

8.5

I hope this helps.

Step-by-step explanation:

7^2 + x^2 = 11^2

Dahasolnce [82]3 years ago
3 0

Answer:

h = 8.5 ft

Step-by-step explanation:

Let height of kite be h ft.

Therefore, by Pythagoras theorem:

h =  \sqrt{ {11}^{2} -  {7}^{2}  }  \\  =  \sqrt{121 - 49}  \\  =  \sqrt{72}  \\  = 8.48528137 \\  \huge \red{ \boxed{\therefore \: h   = 8.5 \: ft}}

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Which ordered pair makes the equation true 2x - 5y = -10
tino4ka555 [31]

With only one equation and no answer choices, there are an infinite number of possible values for x and y to make the equation true.

7 0
4 years ago
Need Help With Math. One Question
alina1380 [7]

Answer: 2 < x < 16

The triangle inequality theorem says that if we have a triangle with sides a,b,c then

b-a < c < b+a

with b being longer than 'a'

In this case, a = 7 and b = 9 and c = x

so we have

b-a < c < b+a

9-7 < c < 9+7 .... replace a with 7, replace b with 9

2 < c < 16

2 < x < 16 .... replace c with x

So x can be any number between 2 and 16. The value of x cannot be equal to 2. Also, x cannot be equal to 16 either.

8 0
4 years ago
What would this question look like after we change the mixed number to improper &amp; use KCF to rewrite the question?
iris [78.8K]

Answer:

The question 3\frac{1}{2}\div\frac{1}{3} after change the mixed number to improper & using KCF will become : \mathbf{=\frac{7}{2}\times \frac{3}{1}}

Option B is correct option.

Step-by-step explanation:

We need to change the mixed number to improper & use KCF to rewrite the question.

The expression is: 3\frac{1}{2}\div\frac{1}{3}

First converting mixed fraction into improper fraction

Multiply whole number with the denominator i,e (3*2=6) now add the numerator i.e (6+1) = 7/2

Solving:

3\frac{1}{2}\div\frac{1}{3}\\=\frac{7}{2}\div\frac{1}{3}

Using KCF

KCF stands fro Keep it, Change it, Flip it.

It is used when division sign is converted to multiplication the term (1/3) is reversed to (3/1)

So, our expression will be

=\frac{7}{2}\times \frac{3}{1}

So, The question 3\frac{1}{2}\div\frac{1}{3} after change the mixed number to improper & using KCF will become : \mathbf{=\frac{7}{2}\times \frac{3}{1}}

Option B is correct option.

5 0
3 years ago
5. Change 518in squared to ft. Squared. Round to the nearest tenth.
anzhelika [568]

9514 1404 393

Answer:

  3.6

Step-by-step explanation:

There are 144 in² in 1 ft².

  (518 in²) × (1 ft²)/(144 in²) ≈ 3.597222... ft² ≈ 3.6 ft²

5 0
4 years ago
Find the root(s) of f (x) = (x + 5)3(x - 9)2(x + 1). -5 with multiplicity 3 5 with multiplicity 3 -9
faust18 [17]

Answer:

  -5, multiplicity 3; +9, multiplicity 2; -1

Step-by-step explanation:

The roots of f(x) are those values of x that make the factors be zero. For a factor of x-a, the root is x=a, because a-a=0. If the factor appears n times, then the root has multiplicity n.

f(x) = (x+5)^3(x-9)^2(x+1) has roots ...

  • -5 with multiplicity 3
  • +9 with multiplicity 2
  • -1
4 0
3 years ago
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