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Molodets [167]
2 years ago
11

Please Help Me Answer These Question Need Help With Question 2 And 3

Mathematics
1 answer:
3241004551 [841]2 years ago
5 0

Answer:

2. 9

Step-by-step explanation:

Plug in 20 for the perimeter the, subtract 2 which gets you 18 and divide by 2 and you get 9

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Can someone help me with this?
Wewaii [24]
<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property

-----------------------------
</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property  
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7 0
3 years ago
Help meeeeeeeeeeeeeee fast
Olenka [21]

Answer:

g+192=354

Step-by-step explanation:

g and 192 MORE, the more tells you that you are adding 192 to g. and it is saying that g+192=354.

5 0
3 years ago
What is the value of x in the equation −6 + x = −4? (1 point) a −10 b −2 c 2 d 10
Montano1993 [528]

Answer:

x = 2

Step-by-step explanation:

−6 + <em>x</em> = −4

<u>+6          +6</u>

       <em>x</em>  =  2

hope dis helps ^-^

6 0
3 years ago
Read 2 more answers
6.
Rudik [331]

Answer:

  (a)  169.1 m

Step-by-step explanation:

The diagram shows you the distance (x) will be shorter than 170 m, but almost that length. The only reasonable answer choice is ...

  169.1 m

__

The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

The leg of the right triangle adjacent to the marked angle is x, and the hypotenuse is 170 m. Putting these values into the equation, you have ...

  cos(6°) = x/(170 m)

  x = (170 m)cos(6°) ≈ (170 m)(0.994522) ≈ 169.069 m

The horizontal distance covered is about 169.1 meters.

_____

<em>Additional comment</em>

Expressed as a percentage, the slope of this hill is tan(6°) ≈ 10.5%. It would be considered to be a pretty steep hill for driving.

5 0
2 years ago
Find the area of this circle. Use 3.14 to approximate Pi
bekas [8.4K]

\pi {r}^{2} \\  \:  \:  \:  \:  \:  \:  = 3.14 \times 13 {cm}^{2}  \\  = 530.66 {cm}^{2}

6 0
2 years ago
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