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Anestetic [448]
3 years ago
6

Find the value of the expression: h x 2 for h = 4

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0

Answer: 8

Step-by-step explanation:

h = 4 so,

the expression will be

4 x 2

= 8

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The graph below shows the velocity f(t) of a runner during a certain time interval:
Jlenok [28]
For this case, the first thing we must do is take into account the definition of the axes:
 the x axis is time in seconds
 the y axis is velocity in meters per secon
 
 Then, we look for the cut point with the y axis, which is given by:
 (0, 2)
 This means that the initial speed is 2 m / s.
 
 We now look for the cut point with the x axis, which is given by:
 (8, 0)
 This means that the speed is 0 m / s, so the runner stopped when the time is 8 seconds.

 Answer:
 
The initial velocity of the runner was 2 m / s, and the runner stopped after 8 seconds.
5 0
3 years ago
Read 2 more answers
Which expression is the factored form of 2/3x+4 ?
frosja888 [35]

Answer:

Option C.

Step-by-step explanation:

The given expression is

\dfrac{2}{3}x+4

We need to find the factored form of the given expression.

The given expression can be rewritten as

\dfrac{2}{3}x+(\dfrac{2}{3}\times \dfrac{3}{2})\times 4

\dfrac{2}{3}x+\dfrac{2}{3}(6)

It is clear that \frac{2}{3} is common.

Taking out common factors, we get

\dfrac{2}{3}(x+6)

It is the factored form of the given expression.

Hence, the correct option is C.

7 0
3 years ago
Read 2 more answers
What is the equation of a horizontal line that has a y-intercept of -5?
Cloud [144]

Check the picture below.

6 0
3 years ago
Solve 2x2 + 4x +10 = 0 using the quadratic formula. what is the solution set?
Sergio [31]
/If you solve for x you will get -7/2.
5 0
3 years ago
Simplifly the expression 64^7/12
Evgesh-ka [11]

Answer:

8\sqrt{2}

Step-by-step explanation:

we have

64^{\frac{7}{12}}

we know that

64=2^{6}

substitute

64^{\frac{7}{12}}=(2^{6})^{\frac{7}{12}}\\ \\=(2)^{\frac{6*7}{12}} \\ \\=(2)^{\frac{7}{2}} \\ \\=\sqrt{2^{7}}\\ \\=2^{3}\sqrt{2} \\ \\=8\sqrt{2}

7 0
3 years ago
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