MATHEMATICS MIDDLE SCHOOL

Find the reciprocal. show that the product of the mixed number and its reciprocal is 1.1, 10 1/2
2, 6 3/7
3, 2 8/9
4, 15 1/4
5, 9 2/3
6, 7 5/8

Answers

Answer 1
Answer: ummm....I'm still confused what was that question for ....but since u have asked...so here's it .......if ya have any trouble plz feel free to ask me

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If x+3/3 = y+2/2 then x/3 =____
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isabella has found that she stays the most fit by running variouse dinstances and terrains through out the week. On mondays she runs 2.5 miles, on tuesdays 4.6 miles, on thursdays 6.75 miles, and on saturdays 4.8 miles. What is the  average distance isabella runs on each of the days that she runs? round to the nearest hunfreth of a mile

Answers

Monday . . . . . 2.5 miles
Tuesday . . . . . 4.6
Thursday . . . . 6.75
Saturday . . . . . 4.8

Total = 18.65 miles
Days per week = 4

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Rounded to the nearest 0.01 = 4.66 miles per running day

If the value of “y” varies directly with y = -8 when x = 4. Find “y” when x = -4.

Answers

Answer:

8

Step-by-step explanation:

I have answered ur question

Raise aquarium is 20 inches long 20 inches wide and has a height of 15 inches Randles aquarium is 40 inches long 12 inches wide and has a height of 12 inches who's aquarium has a greater volume and by how much

Answers

Raise aquarium is 6000 inches
Randle aqarium is 5760 inches

Raise has the bigger aquarium by 240 inches

Is it negative or positive? a)20(-3)
b)-4(3)
c)-12(-5)
d)(-3)(2)(-5)
i'm confused!

Answers

a) 20(-3)= -60  ~negative
b) -4(3)= -12    ~negative
c) -12(-5)= 60  ~positive
d) (-3)(2)(-5)= 30  ~positive
negative  x  negative  = positive
positive   x   positive   = positive
positive   x   negative  = negative
hope this helps

Write an equation that is perpendicular to y= 1/2x+5 and passes through (4,8)

Answers

Answer:

y = -2x + 16.

Step-by-step explanation:

The slope of the perpendicular line = -1 / slope of the given line

= -1 / 1/2 = -2.

Using the point slope form of the equation of a straight line:

y - y1 = m (x - x1)

y - 8 = -2(x - 4)

y - 8 = -2x + 8

y = -2x + 16  is the required equation.

A company sells each product they make for $84.00. They pay $2,100.00 in monthly costs such as rent and bills as well as $70.00 in manufacturing costs per unit. Which of the equations below gives the company's profit per month, P, as a function of the number of units made, x?

Answers

The equation that gives the company's profit per month, P, as a function of the number of units made, x is P = 14x - 2100

Solution:

Selling price of 1 product = $ 84

Monthly cost for rent and bill = $ 2100

Manufacturing cost per unit = $ 70

To find: company's profit per month, P, as a function of the number of units made

Let "x" be the number of units made

Let "P" be the company profit per month

Selling price for "x" number of units = 84x

Manufacturing cost for "x" units = 70x

We know that,

Profit = Selling price - manufacturing cost

P = 84x - 70x

P = 14x

We have to subtract the monthly cost for rent and bill to get the actual profit

P = 14x - 2100

Thus the equation that gives the company's profit per month, P, as a function of the number of units made, x is P = 14x - 2100
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