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algol [13]
3 years ago
6

Can someone help me with this?

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
6 0

Answer:

8

Step-by-step explanation:

This problem uses the pythagorean theorem. 15 squared plus 8 squared equals 17 squared.

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Find the value of x <br> a. 2<br> b. 4<br> c. 6<br> d. 8
tiny-mole [99]

Answer:

B, 4

Step-by-step explanation:

To do this you can use the Pathagaryos thereom a^2+b^2=c^2

So we have (x-2)^2+x^2=20

We can expand (x-2)^2 and get

x^2-4x+4

so we have x^2 -4x +4 + x^2=20

We can combine like terms and subtract 20 from both sides to get

2x^2-4x-16=0

We can factor this and get (2x+4)(x-4)

which means that x=4 and -2

Obviously the length can't be a negative and so we reject x= -2 and we get x=4

We can double check it and see that

(4-2)^2+4^2=20

and it does

8 0
3 years ago
Please help!! 30 points
Stels [109]

Answer:

x = 4

31x + 6 = 130

12x + 2 = 50

Step-by-step explanation:

two angles side by side are equal to 180.

(31x + 6) + (12x + 2) = 180

43x + 8 = 180

43x = 172

x = 4

31x + 6 = 124 + 4 = 130

12x + 2 = 48 + 2 = 50

8 0
3 years ago
PLEASE HELP!!!
Masteriza [31]
The answer is b homie!!

3 0
2 years ago
Write an equation for a line parallel to y=5x+4 and passing through the point (4,25)
Soloha48 [4]

Answer:

y = 5x + 5

Step-by-step explanation:

m = 5

y = mx + b

25 = 5(4) + b; b = 5

y = 5x + 5

4 0
3 years ago
Which shape is similar to shape x?
alexandr1967 [171]

Answer:

<h2>the c one</h2>

Step-by-step explanation:

<h2>hope it will help</h2>
6 0
2 years ago
Read 2 more answers
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