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Pepsi [2]
3 years ago
9

Tam takes 2 hours to cycle 20km.Find his average speed in km/hr

Mathematics
1 answer:
NARA [144]3 years ago
6 0
2hr = 2km
1hr = 2km ÷ 2hr
= 1km
So, Tom's average speed is 1km/hr
You might be interested in
What’s the equation of a line that passes through (-6,5) (-3,-3)
ziro4ka [17]

Answer:

<h3>y=-8/3x-11</h3>

Step-by-step explanation:

<em><u>SLOPE FORMULA:</u></em>

\Rightarrow \displaystyle \mathsf{\frac{Y_2-Y_1}{X_2-X_1} }}

Y2=(-3)

Y1=5

X2=(-3)

X1=(-6)

Solve.

\displaystyle \mathsf{\frac{-3-5}{-3-\left(-6\right)}=\frac{8}{3}=-\frac{8}{3}  }}}

Then, compute by the y-intercept.

<u><em>SLOPE INTERCEPT FORM FORMULA:</em></u>

\displaystyle \mathsf{Y=MX+B}}

y=(-8/3)x+b

(-6,5)

X=(-6)

Y=5

5=(-8/3)(-6)+b

Isolate b on one side of the equation.

(-8/3)(-6)+b=5 (Switch sides.)

Remove parenthesis.

8/3*6+b=5

8*6/3

Multiply.

8*6=48

Divide.

48/3=16

16+b=5

b+16=5 (Switch sides.)

Then, subtract 16 from both sides.

b+16-16=5-16

Solve.

5-16=-11

b=-11

So, the correct answer is y=-8/3x-11.

8 0
3 years ago
What is the answer to 6x+12=4x-18
insens350 [35]

Answer:

x = -15

Step-by-step explanation:

6x +12 = 4x - 18

-4x          -4x

2x + 12 = -18

      -12      -12

2x = -30

2 divided by x ----------->    2 divided by -30 = -15

x = -15

Hope this Helps!!!!!

8 0
3 years ago
Need help with this please!!!
BARSIC [14]
I don't like dividing polynomials so I'm going to set x=1 and try them out.

(1-2-14+3)/4 = -3

Of the choices, only D gives -3 when x=1

~~~~~~~~~~~~~~~~~~~~~~

That's as much test-taking as math.  If we were to divide


             x^2 - 5x + 1
          -------------------------------
x + 3 |   x^3 - 2x^2 - 14x + 3
             x^3 + 3x^2
                      -5x^2 - 14x
                       5x^2 + 15x
                                      x + 3 
                                      x + 3

More work, still choice D


5 0
3 years ago
Can you answer the question please​
denpristay [2]

Answer:

(x-5,y-1) traslation

Step-by-step explanation:

Hope this helps!❆

5 0
3 years ago
Arrange the following from least to greatest 0.08,0.1, 1.8, 0.049, 0.103
8_murik_8 [283]
0.049, 0.08, 0.1, 0.103, 1.8.
3 0
3 years ago
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