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Korolek [52]
2 years ago
7

The store had a special on apples, 4 pounds for $2.80. The store's special on oranges was 3 pounds for $2.58. Which of the follo

wing is true?
A. Oranges are 16¢ per pound less than apples.

B. Apples are 16¢ per pound less than oranges.

C. Apples are 86¢ per pound.

D. Oranges are 70¢ per pound.
Mathematics
2 answers:
Viktor [21]2 years ago
8 0

Answer:

B

Step-by-step explanation:

Hope this helps!!

olga_2 [115]2 years ago
6 0
Apples:
$2.80 / 4
= $0.70

Oranges:
$2.58 / 3
= $0.86

$0.86 - $0.70 = $0.16

Therefore Option B) Is true.
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A car is driving at 65 kilometers per hour. How far, in meters, does it travel in 5 seconds?
garri49 [273]

Answer:

90 m

Step-by-step explanation:

65 km = 65000m

1 hour = 3600 secs

speed in meters = 65000/3600

= 18 m / sec

Distance traveled in 5 secs = 18*5

= 90 m

5 0
3 years ago
There are 5 red marbles and 7 blue marbles in a bag What is the ratio of blue marbles to red marbles?
mash [69]
Correct Answer would be: 5/7
6 0
2 years ago
Read 2 more answers
) Set up a double integral for calculating the flux of F=3xi+yj+zk through the part of the surface z=−5x−2y+2 above the triangle
Fynjy0 [20]

The surface (call it S) is a triangle with vertices at the points

x=0,y=0\implies z=2\implies(0,0,2)

x=0,y=2\implies z=-2\implies(0,2,-2)

x=2,y=0\implies z=-8\implies(2,0,-8)

Parameterize S by

\vec s(u,v)=(1-v)(2,0,-8)+v\bigg((1-u)(0,2,-2)+u(0,0,2)\bigg)=(2-2v,2v-2uv,-8+6v+4uv)

with 0\le u\le1 and 0\le v\le1. Take the normal vector to S to be

\vec s_v\times\vec s_u=(20v,8v,4v)

Then the flux of \vec F across S is

\displaystyle\iint_S\vec F(x,y,z)\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_v\times\vec s_u)\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^1\int_0^1(6-6v,2v-2uv,-8+6v+4uv)\cdot(20v,8v,4v)\,\mathrm du\,\mathrm dv

=\displaystyle8\int_0^1\int_0^1(11v-10v^2)\,\mathrm du\,\mathrm dv=\boxed{\frac{52}3}

8 0
3 years ago
Select the equivalent expressions for z divided by 144
Ivahew [28]

Answer:

A: 144/z

Step-by-step explanation:

Hopefully this helps!

4 0
3 years ago
What is the median of the following numbers?<br> 9,8,1, 8,5
Zolol [24]

Answer:

8

Step-by-step explanation:

1, 5, 8, 8, 9

Find the middle number. If there is 2 add them and divide them by 2

But there is 1 middle number 8

3 0
3 years ago
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