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Lady bird [3.3K]
3 years ago
15

Calculate the value of b + 12.5=12

Mathematics
2 answers:
Bingel [31]3 years ago
7 0

Answer:

Move all terms not containing  b  to the right side of the equation.

b = − 0.5

Step-by-step explanation:

KATRIN_1 [288]3 years ago
3 0

Answer:

\large\boxed{b = -0.5}

Step-by-step explanation:

Hope this helps, have a great day

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Roland’s Boat Tours sells deluxe and economy seats for each tour it conducts. In order to complete a tour, at least 1 economy se
vovangra [49]

Roland’s Boat Tours will make more money if they sell more economy seats, hence the maximum profit is attained if they only sell the minimum deluxe seat which is 6

6*35+ 24*40 = 210+960= $1170

<em />

Given details

To make a complete tour, at least 1 economy seats

and 6 deluxe seats

Maximum passengers per tour = 30

<em />

<em>"Boat Tours makes $40 profit for each </em><em>economy</em><em> seat sold and $35 profit for each deluxe seat sold"</em>

<em> </em>Therefore, to maximise profit, he needs to take more of economy seats

Hence

Let a deluxe seat be x and economy seat be y

Maximise

6 x+ 24y = 30

The maximum profit from one tour is  = 6*35+ 24*40 = 210+960= $1170

Learn more

brainly.com/question/25828237

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7 0
2 years ago
Solve the equation.<br><br> c/4−5=4<br> Plss show the work too plss! :)
asambeis [7]

Answer: c=36

Step-by-step explanation: c/4-5=4

Add 5 to 4

c/4=9

9 divided by 1/4

C= 36

8 0
3 years ago
What is the area of the shaded region in the figure below? Use 3.14 for pie
vladimir1956 [14]

Answer:

200.96 = area of Shaded portions.

Step-by-step explanation:

Area of the 2 stars.

I don't know if you can see this or not, but the 4 quarter circles surrounding the star is found by subtracting a full small square surrounding the star

Area of 1 star = 4 * (1/4) pi * r^2

Area of 1 star = 3.14 * 4^2

Area of 1 star = 50.24

Area of both stars = 100.48

Area of the 4 semicircles at each end

The 2 semicircles at one end figure = 1 circle

The two circles gives the total area of the 4 semicircles.

Area 1 circle = pr * r^2

Area 1 circle = 3.14 * (8/2)^2

Area 1 circle = 50.24

There are 2 such circles = 100.48

Total area of both results

Total Area = 100.48 + 100.48

Total Area = 200.96

3 0
3 years ago
Can yall help me on like a million questions? (I had to put the other questions in a different question if you want to do those
Naddik [55]

Answer:

answer is 94/14

Step-by-step explanation:

you got to make the number into a mixed number but anyways you just mutiply the denominator to the whole number then add the numbrator so you have 58/14+18/7 then in order to add you have to make sure the denominator is the same so change the 18/7 into 14 denominator so u got to mutiply 7 by 2 so u got to do that to the 18 to then finally u add

7 0
3 years ago
Determine the value of x so that the line containing the given points is parallel to another line whose slope is also given.
Vikentia [17]

Answer:

Step-by-step explanation:

12) A(x, 5) and B(-4,3)

slope = -1

We want to determine the value of x so that the line AB is parallel to another line whose slope is given as -1

Slope, m is expressed as change in y divided by change in x. This means

Slope = (y2 - y1)/(x2 - x1)

From the information given

y2= 3

y1 = 5

x2 = -4

x1 = x

Slope = (3-5) / (-4-x) = -2/-4-x

Recall, if two lines are parallel, it means that their slopes are equal. Since the slope of the parallel line is -1, therefore

-2/-4-x = -1

-2 = -1(-4-x)

-2 = 4 + x

x = -2 - 4 = - 6

x = -6

13) R(3, -5) and S(1, x)

slope = -2

We want to determine the value of x so that the line RS is parallel to another line whose slope is given as -2

Slope = (y2 - y1)/(x2 - x1)

From the information given

y2= x

y1 = -5

x2 = 1

x1 = 3

Slope = (x - -5) / (1 - 3) = (x+5)/-2

Since the slope of the parallel line is -2, therefore

(x+5)/-2 = -2

x + 5 = -2×-2

x + 5 = 4

x = 4 - 5 = - 1

7 0
3 years ago
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