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Hitman42 [59]
2 years ago
10

What is this? I need help I don’t know what it is

Mathematics
1 answer:
yaroslaw [1]2 years ago
5 0

multiply the bill by 15% and then add them together:

58.65 * 0.15 = 8.797 = 8.80

58.65 + 8.80 = $67.45 total

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Write an absolute value inequality to represent each situation.
Minchanka [31]

Answer:

║ x - 231 ║ ≤ 459

Step-by-step explanation:

Since we have 228 ft below sea level, this is x' = -228 ft. Also,  we have 690 ft above sea level, this is x" = 690 ft.

Since x is our elevation in feet, x ranges from -228 ≤ x ≤ 690.

To write an absolute value equation for x, we first take the average of the two values for the ranges to obtain the ideal value of x.

So, ideal value = [690 + (-228)]/2 = 462/2 = 231.

We also find the tolerance by taking the difference of both values and dividing by 2. So tolerance = [690 - (-228)]/2 =  [690 + 228)]/2 = 918/2 = 459.

Subtracting 231 from each value of the inequality we have

-228 - 231 ≤ x - 231 ≤ 690 - 231

-459 ≤ x - 231 ≤ 459

Since we have in magnitude the values on the left and right side of the inequality,

So ║ x - 231 ║ ≤ 459

6 0
3 years ago
Least to greatest 2.71,2 3/4,5,5/2
harkovskaia [24]

Answer:

3/4<5/2<2.71

Step-by-step explanation:

3/4<5/2<2.71

5 0
3 years ago
Read 2 more answers
Create your own proportion problems?
xxMikexx [17]

Answer:

See Explanation

Step-by-step explanation:

Required

Proportion problems

An example is:

y is directly proportional to x such that: y=4 when x = 2;

Derive the equation

For direct proportions, we have:

y\ \alpha\ x

This gives:

y = kx

Make k the subject

k = y/x

So:

k = 4/2 =2

So, the equation is:

y = kx

y = 2x

Assume the above question is for inverse proportion

The variation will be:

y\ \alpha\ \frac{1}{x}

This gives:

y\ = \frac{k}{x}

Make k the subject

k =x*y

k =2* 4 = 8

So, the equation is:

y\ = \frac{k}{x}

y = \frac{8}{x}

4 0
2 years ago
Toys for Tots collected 100 toys on Saturday. If this was 80% of the goal the set to collect over the weekend, what was their go
Sliva [168]

Answer:

Their goal was to collect 125 toys.

Step-by-step explanation:

\frac{100 toys}{80  percent}

=

\frac{125 toys}{100percent}


Whatever you do to one side you must do to another. To get from 80 to 100% of your goal, you must multiply 80 by 1.25 . Because we did this to one side, we had to do it to the other. 100 toys multiplied by 1.25 is 125 toys.

3 0
3 years ago
Find all maxima and minima of the function given below. Use a horizontal span of -6 to 6. (Round your answers to two decimal pla
AVprozaik [17]
Equation: 4 + 4x + x²

Maxima: No maximum value from said equation
Minima: x = -2 since that is the only critical point in the equation
6 0
3 years ago
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