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Nikolay [14]
3 years ago
11

Dave delivered 52 newspapers in all. Saturday & Sunday. He delivered 8 more newspapers on Sunday than on Saturday. How many

newspapers did Dave deliver on Sunday?
Mathematics
1 answer:
maw [93]3 years ago
5 0
52-two\ days\\x-newspaper\ in\ Saturday\\x+8-newspaper\ on\ Saturday\\\\x+x+8=52\\2x=52-8\\2x=54\\x=27\\\\x+8=27+8=35\\\\Dave\ deliver\ 35\ newspaper\ on\ Sunday
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Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
zubka84 [21]
V is the 3D region enclosed by S. 

div(F)= <span>∂(x)/∂x + ∂(y)/∂y + ∂(10)/∂z = 2 
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<span>∫ = ∫∫∫ [V] div(F) dV = 2 ∫∫∫ [V] dV 

Using cylindrical coords, ( rcos(θ), y, rsin(θ) ), dV=rdrdθdy 

∫ = 2 ∫∫∫ rdrdθdy, [r=0,1], [θ=0,2π], [y=0,7−rcos(θ)] = 14π (easily integrated)</span><span>
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7 0
3 years ago
Read 2 more answers
Work the following financial transactions. Your station charges $15.95 for a lubrication job. As a promotion you sell six coupon
liq [111]

<u>Answer:</u>

16.4%

<u>Step-by-step explanation:</u>

We know that a station charges $15.95 for a lubrication job and as a promotion sell six coupons were sold for lubrication jobs for $80.

We are to find the percentage discount that was being offered on purchase of 6 coupon lube book.

Original price of 6 coupons = 6 × 15.95 = $95.7

Difference in prices = 95.7 - 80 = $15.7

Percentage discount = 15.7/95.7 = 16.4%

8 0
3 years ago
58:49 A pound of raisins costs $2.00, and a pound of almonds costs $5.00. Six pounds of a trail mix contains 2 more pounds of ra
faltersainse [42]

Answer:

$18

Step-by-step explanation:

1 pound of raisins = $2

1 pound of almonds = $5

Let the number of raisins be represented by a

Let the number of almonds be represented by b

We are told in the question that:

Six pounds of a trail mix contains 2 more pounds of raisins than almonds.

a + b = 6 pounds

Hence, Almonds = 2 pounds

Raisins = 4 pounds

The cost of the 6 pounds of trail mix

= 4 × $2 + 2 × $5

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= $18

3 0
3 years ago
a board that is 2 5/8 feet long is cut from a larger board that is 7 1/3 feet long. How much of the board remains?
Rus_ich [418]

Answer:

4\frac{17}{24} feet

Step-by-step explanation:

Total length of the board = 7\frac{1}{3}=\frac{22}{3} feet

Length of board that is removed from the larger board = 2\frac{5}{8}=\frac{21}{8}

When a smaller board is removed, the length of the remaining board can be calculated using subtraction as:

Remaining Length of board = Total Length - Length of smaller board

= \frac{22}{3}-\frac{21}{8}\\\\\text{Taking LCM, which is 24}\\\\ =\frac{8(22)-3(21)}{24}\\\\ =\frac{113}{24}\\\\ =4\frac{17}{24}

This means 4\frac{17}{24} feet of board remains after removing the smaller board from it.

6 0
3 years ago
I need help with this one and 4 more!!!
Nitella [24]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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