MATHEMATICS HIGH SCHOOL

Solve for X

(X+b)/4=c

Answers

Answer 1
Answer:

Answer:

x=4c-b

Step-by-step explanation:

(x+b)/4=c (multiply both sides by 4)

x+b=4c( subtract both sides by b)

x=4c-b

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James works as a waiter. He served meals with bills of $23.59, $40.65, $30.50, and $15.68. If his total for tips was $17.67, what percent tip did he receive for serving these meals? Round your answer to the nearest percent?

Answers

Total tips: $17.67

Total meals: 23.50 + 40.65 + 30.50 + 15.68 = $110.42


Percentage = (total.tips)/(total.meals) = (17.65)/(110.42) = 0.159844...=about 16%

Final answer:

James received an average tip of 16% for the meals he served, calculated by dividing his total tips by his total bill amount and multiplying by 100.

Explanation:

To solve this problem, we first need to find the total amount of bills that James served, which is $23.59 + $40.65 + $30.50 + $15.68 = $110.42. James received a total of $17.67 in tips. The percentage of tips James received can be calculated by dividing the total amount of tips by the total amount of bills he served and then multiplying that result by 100 to get the percentage. So, the calculation would look like this:

($17.67 / $110.42) × 100 = 16.01%

Rounding to the nearest percent, James received an average of 16% tip for serving these meals.

Learn more about Percentage Calculation here:

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The coordinates of the focus of the parabola −0.25x2 = y − 2 are:A. (0, 6) B. (0, 1)C. (0, −2)D. (0, 3 )

Answers

Answer:

Option B is right.

Step-by-step explanation:

given is an equation of a parabola

-0.25x^2 =y-2\ny=-0.25x^2 +2

-x^2 =4y-8

Vertex is (0,2)

It is open down.

Axis of symmetry is x=0 or y axis

Hence focus will lie on axis of symmetry ie y axis.  

THe parabola has -4a = -4

Hence a = 1

SO focus will lie inside the parabola on axis of symmetry with a distance of a units from the vertex.

i.e. focus would equal = (0,2-1) = (0,1)

Option B is right
The equation is -0.25x^2-x+2=0
The coordinates are ((-b)/(2a);(-\Delta)/(4a))
\Delta=b^2-4ac=1+2=3
The coordinates, thus, are ((1)/(-0.5);(-1)/(-1))=(-2;1)

The sales tax rate is 4%. If Xavier buys a balance beam priced at $687 ,how much tax will he pay?

Answers

Answer:

$27.48

Step-by-step explanation:

687*0.04 which is $27.48

Hope this helps plz hit the crown :D

Answer:

27.48

Step-by-step explanation:

687 x .04 = 27.48

In an area of the Midwest, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushels per acre). The data for a 9 year period is given in the table. The equation of the line of best fit for this data is y = 47.3 + 0.78x. How many bushels of wheat per acre can be predicted if it is expected that there will be 17 inches of rain?

Answers

Answer:

Step-by-step explanation:

Given: Data is in terms of rainfall (in inches) and Yield of wheat (bushels

           per acre)

           Equation of Best fit line for 9 year of data is Y = 47.3 + 0.78X

To find: Bushels of wheat per acre when 17 inches of rain expected.

Given problem is of Regression analysis as we are given with best fit line.

From the Equation of  Best fir line we can conclude that it is equation of line Y on X because when put value of X we get value of Y.

From Given Data, let say X be Rainfall length and Y be Yield of wheat.

So, to find the  Bushels of wheat (yield) when 17 inches of rainfall is expected.

we put value X = 17 in given equation.

⇒ Y = 47.3 + 0.78 × ( 17 )

⇒ Y = 47.3 + 13.26

⇒ Y = 60.56

Therefore, 60.56 bushels of wheat per acre can be predicted if 17 inches of rain is expected.
Assuming x is the rainfall, you simply plug in 17 for x and solve for y.  

47.3 + .78(17)
= 47.3 + 13.26
= 60.56

Please help asap 29 pts

Answers

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-12

Answer -12

ChoiceD

Find the length of the side of a square with area 225 square units

Answers

A = l^(2);
Then, 225 = l^(2);
l^{} = √(225) = 15 unit;
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