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disa [49]
3 years ago
10

Plzz helppppppppppppp ​

Mathematics
1 answer:
AlekseyPX3 years ago
4 0

Answer:



Step-by-step explanation:

Step 1 Answer: No

Step 2 Answer: Yes, 4

Step 3: Yes

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X²+2x+<br> hacer la expresion un cuadrado perfecto
ch4aika [34]
=xx(x+2) es mi respuesta
3 0
3 years ago
The hypotenuse of a right triangle is 10cm long. The longer leg is 2cm longer than the shorter leg. Find the side lengths of the
Crazy boy [7]
We need Pythagoras theorem here
a^2+b^2 = c^2
a, b =  legs of a right-triangle
c = length of hypotenuse

Let S=shorter leg, in cm, then longer leg=S+2 cm
use Pythagoras theorem
S^2+(S+2)^2 = (10 cm)^2
expand (S+2)^2
S^2 +   S^2+4S+4  = 100 cm^2   [collect terms and isolate]
2S^2+4S =  100-4 = 96 cm^2
simplify and form standard form of quadratic
S^2+2S-48=0
Solve by factoring
(S+8)(S-6) = 0   means (S+8)=0, S=-8
or                                   (S-6)=0, S=6
Reject nengative root, so
Shorter leg = 6 cm
Longer leg = 6+2 cm = 8 cm
Hypotenuse (given) = 10 cm

5 0
3 years ago
Evaluate the following expressions given the values below.
abruzzese [7]

Answer:

31

Step-by-step explanation:

ab + bc + ac for a = 2, b = 5, and c = 3

(2×5)+(5×3)+(2×3)

10+15+6

31

4 0
2 years ago
On a 16 scale drawing of a bike, one part is 3 inches long. How long will the actual bike part be?
Oksanka [162]
Multiply 16*3 to get 48, the bike is 48 units so 16:1,16/1=16. So the answer would be 16. Hope I helped! 
4 0
3 years ago
Read 2 more answers
Need help with this question!
rosijanka [135]
Not sure:((((((( sorrryyyy
3 0
3 years ago
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