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miskamm [114]
2 years ago
14

What is the perimeter of the triangle shown below, if side a = 6 cm and side b = 8 cm?

Mathematics
1 answer:
Vika [28.1K]2 years ago
8 0

Answer:

The answer is 24 cm.

Step-by-step explanation:

Since we know two sides, we can find the third side. Using the pythagorean theorm, a^2 + b^2 = c^2, this gives us:

6^2 + 8^2 = c^2

36 + 64 = c^2

100 = c^2

Square root of 100 = c

10 = c.

Hope this helps!

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if the sum of two numbers is four and the sum of their squares minus three times their product is 76, find the numbers
Sauron [17]

Answer:

Numbers =(6,-2 )

Step-by step explanation:

Given

the sum of two numbers is four and the sum of their squares minus three times their product is 76,

Let the first term =X

Second term will be=4-x

So

X^2+(4-x)^2-3x(4-x)=76

x^2+16+x^2-8x-12x+3x^2=76

5x^2-20x+16=76

5x^2-20x-60=0

5(x^2-4x-12)=0

So x^2-4x-12=0

x^2-(6-2)x-12=0

x^2-6x+2x-12=0

X(x-6)+2(x-6)=0

(X-6)(X+2)=0

X=6,-2

Let X=6 and -2 then numbers will be 6 and (4-6)=-2

6 0
3 years ago
Question 1 (Essay Worth 2 points)
tekilochka [14]

Answer:

mu answer is A

Step-by-step explanation:

because if an point shows (0,0) shows the cost is $0 for 0 pound of dog food

hope this helps

4 0
3 years ago
Read 2 more answers
In AJKL, solve for x.
solong [7]

Answer:

x ≈ 66.73

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan27° = \frac{opposite}{adjacent} = \frac{KL}{JK} = \frac{34}{x} ( multiply both sides by x )

x × tan27° = 34 ( divide both sides by tan27° )

x = \frac{34}{tan27} ≈ 66.73 ( to 2 dec. places )

7 0
3 years ago
Evaluate each expression.<br> 6!=<br> 3! - 21 =<br> 6!/3!=
Margarita [4]

Answer:

Step-by-step explanation:

6! = 6*5*4*3*2*1 =720

3! - 21 = 3*2*1 - 21 = 6 - 21 = (-15)

\frac{6!}{3!}=\frac{6*5*4*3*2*1}{3*2*1}\\\\=6*5*4=120

3 0
3 years ago
Read 2 more answers
Solve 4r2 – 16 = 84.<br><br><br><br><br> {±4}<br><br><br> {±3}<br><br><br> {±6}<br><br><br> {±5}
Marta_Voda [28]
4r²<span>– 16 = 84
4r</span>² = 84+16
4r²= 100
r²=25
r=√25
r=<span>±5</span>
4 0
3 years ago
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