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Mars2501 [29]
2 years ago
14

(Score for Question 1: of 5 points)

Mathematics
1 answer:
Inga [223]2 years ago
8 0

Answer:

jdjdjdbdjdjdjzjdjdjdbdjdjdjzjdjdjdbdjdjdjz

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Joe has eaten 2/5 of a pizza. Jane has eaten 1/3 of a pizza. How many times more pizza has joe eaten than jane?
Marina CMI [18]

Answer:

3.6

Step-by-step explanation:

Divide 2/5 by 1/9 which is the same as multiplying 2/5 by 9/1

 

we then get 18/5 = 3.6

 

So, Joe has eaten 3.6 times more pizza than Jane

Hope that is the right answer !?

4 0
3 years ago
Peter earns $12.40 each week for doing his chores .Ria earns 1.2 times as much money per week as Peter. How much do Ria earn eac
steposvetlana [31]

Answer:

$14.88

Step-by-step explanation:

Ria earns 1.2 times more than Peter does

Peter earns $12.40

To solve, you have to multiply the amount peter has by 1.2

12.40(1.2) = 14.88

Therefore, Ria earns $14.88

8 0
2 years ago
For the given table of values for a polynomial function, where must the zeros of the function lie?
Jet001 [13]

Answer:

A. Between 3.0 and 3.5 and between 4.0 and 4.5

Step-by-step explanation:

The zeroes of a function occur whenever a value of x returns zero. To predict where the zeroes lie, determine the interval(s) where the function crosses the x-axis. This occurs when either f(x) goes from a negative value to a positive value or vice versa.

From x=3.0 and x=3.5, the y-values go from 4.0 (positive) to -0.2 (negative), respectively. Therefore, there must be a zero in this interval.

From x=4.0 and x=4.5, the y-values go from -0.8 (negative) to 0.1 (positive), respectively. Therefore, there must also be a zero in this interval.

Thus, the zeros of this function occur between 3.0 and 3.5 and between 4.0 and 4.5, leading to answer choice A.

7 0
3 years ago
Evaluate the integral Find the volume of material remaining in a hemisphere of radius 2 after a cylindrical hole ofradius 1 is d
algol13

You want to find the volume inside the hemisphere x^2+y^2+z^2=4 (i.e. inside the sphere but above the plane z=0) and outside the cylinder x^2+y^2=1. Call this region R.

In cylindrical coordinates, we have

\displaystyle\iiint_R\mathrm dV=\int_0^{2\pi}\int_1^2\int_0^{\sqrt{4-r^2}}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta

\displaystyle=2\pi\int_1^2 r\sqrt{4-r^2}\,\mathrm dr

\displaystyle=-\pi\int_3^0\sqrt u\,\mathrm du

(where u=4-r^2)

\displaystyle=\pi\int_0^3\sqrt u\,\mathrm du

=\dfrac{2\pi}3u^{3/2}\bigg|_0^3=2\sqrt3\,\pi

7 0
3 years ago
Which of the following sets could be represented by the given Venn diagram? S = {multiples of 4} T = {8, 12, 20} S = {Mercury, V
Firdavs [7]

Answer:

The answer is C S = {reptiles} T = {mammals}

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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