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kenny6666 [7]
3 years ago
9

Can someone plzzz help ASAP

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

x = 7 √3 km

Step-by-step explanation:

Here, we want to get the value of x

As we can see, we have a right angled triangle with hypotenuse 14 km

we can use the Pythagoras’ theorem to get the value of x

Mathematically, the square of the hypotenuse equals the sum of the squares of the two other sides

Thus,

14^2 = x^2 + 7^2

x^2 = 196-49

x^2 = 147

x = 7 √3 km

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Write an expression for the sequence of operations described below.
alexandr402 [8]

Answer:

(m-8)+2

Step-by-step explanation:

hope this helps !

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3 years ago
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Find a fraction equivalent to 5/2 that has a denominator of 10
nasty-shy [4]

Hey there!

Let’s leave number unknown.. so we label it as a “e” for equivalent

NEW EQUATION: 5/10 = e/10

FIRST: you have to CROSS MULTIPLY your given values

5 • 10 = e • 2

5 • 10 = 50

e • 2 = 2e

NEW EQUATION: 2e = 50

SECOND: DIVIDE BOTH of the SIDES by 2

2e/2 = 50/2

Cancel out: 2/2 because that gives you 1

Keep: 50/2 because it helps us solve for e

e = 50/2

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Answer: e = 25 ✅

Overall answer for your given equation: 25/10 ☑️

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

4 0
3 years ago
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Which equation has the components of 0 = x2 – 9x – 20 inserted into the quadratic formula correctly? x = StartFraction negative
AnnZ [28]

Answer:

x=\frac{9+/-\sqrt{(-9)^2-4\,(1)\,(-20)} }{2\,(1)}

Step-by-step explanation:

Recall that the quadratic formula gives you the pattern to follow in order to find the solutions to a quadratic equation of the form: ax^2+bx+c=0

It tells us that we need to use the parameters a,\, b, and c in the following formula in order to get the answers for the x-values that solve it:

x=\frac{-b+/-\sqrt{b^2-4\,a\,c} }{2\,a}

so, in our case, a=1, b=-9, and c=-20

then, replacing these values in the formula, we obtain:

x=\frac{-b+/-\sqrt{b^2-4\,a\,c} }{2\,a}\\x=\frac{-(-9)+/-\sqrt{(-9)^2-4\,(1)\,(-20)} }{2\,(1)}\\x=\frac{9+/-\sqrt{(-9)^2-4\,(1)\,(-20)} }{2\,(1)}

Which looks like the third expression you are listing (although it is a little hard to read)

7 0
4 years ago
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Please help me for the braainliest answer
Vinvika [58]

Answer:

TO find the value for the terms, substitute n for the number in the sequence. so

for 1st term n = 1

for 2nd term n =2 etc.

1st Term = 1^2-3 = 1-3 = -2

2nd term = 2^2 - 3 = 4-3 = 1

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3 years ago
Please help me with this question!
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If u help me with my question I’ll give the answer to urs
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