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Jlenok [28]
3 years ago
15

30 miles per hour over a period of 10seconds

Mathematics
2 answers:
Lady_Fox [76]3 years ago
7 0

Divide 30 by 10. 30mph/10seconds = 3mph/seconds

Hope dis helped :)

Alborosie3 years ago
4 0
30/10= 3mps
……………………….
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G(x) = - 3x - 8<br><br> g (____) =10
Alex73 [517]
Answer: 6

-3x-8=10
-3x=18
x=6

When g(x) is equal to 10, x is equal to 6. So, g(6)=10
7 0
3 years ago
Please solve this question ​
Alchen [17]

Answer:

(3, 4 )

Step-by-step explanation:

3x - y = 5 → (1)

x + y = 7 → (2)

adding the 2 equations term by term will eliminate y

4x + 0 = 12

4x = 12 ( divide both sides by 4 )

x = 3

substitute x = 3 into either of the 2 equations and solve for y

substituting into (2)

3 + y = 7 ( subtract 3 from both sides )

y = 4

solution is (3, 4 )

4 0
2 years ago
Use the shell method to find the volume of the solid generated by revolving the regions bounded by the curves and lines about th
RSB [31]

Answer:

The volume of the solid is:

\displaystyle\frac{19\pi}{6}

Step-by-step explanation:

See the graph of the region attached.

To find the intersection between the line and the parabola we set the equation equal to each other, and solve that quadratic equation by factorization:

x^2=9-8x\\x^2+8x-9=0\\(x+9)(x-1)=0\\x=-9,x=1

Since the region is the one for x\ge 0 then the intersection we are interested on is x=1 as it can also be seen in the graph.

Then we set the integral using shell method for revolving about the y-axis:

\displaystyle\int_a^b 2\pi\,x\,h(x)\,dx

Where h(x) is the height of the shell which here is the distance between the parabola and the line, so 8x-9-x^2 (since the line is on the top we subtract from it the parabola)

Then the integral becomes:

\displaystyle\int_0^1 2\pi\,x\,(8x-9-x^2)\,dx

Notice the limits of the integral are the x-axis (x=0) and the intersection of the parabola and the line that we found before (x=1)

Now, solving the integral:

Start by factoring the 2\pi and distributing the x:

=\displaystyle2\pi \int_0^19x-8x^2-x^3dx

Then use the basic rule to integrate:

=\displaystyle2\pi \left[\frac{9x^2}{2}-\frac{8x^2}{3}-\frac{x^4}{4}\right|_0^1

Then evaluate the antiderivative in the limits and subtract:

=\displaystyle2\pi\left[\frac{9}{2}-\frac{8}{3}-\frac{1}{4}-0\right]=\frac{19\pi}{6}

So the volume of the solid is \displaystyle\frac{19\pi}{6}

4 0
3 years ago
Val has 2 hours to finish a slide presentation it takes her 1/6 hours to create each slide will Val have enough time to create 1
schepotkina [342]

Answer:

No because it will take her 3 1/3 hours to finish it

Step-by-step explanation:

So first you would do 1/6x2

That will equal 1/3

Then you will do 1/3x10

which will equal 10/3

Then you change it to a mixed number and that will get you 3 1/3

6 0
3 years ago
Read 2 more answers
What is the value of g if 5(2-g)=0 ? *<br> Your answer
Dovator [93]

Answer:

g = 2

Step-by-step explanation:

5(2-g) = 0

10 - 5g = 0

-5g = -10

g = -10/-5

  = <u>2</u>

3 0
4 years ago
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