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Oksana_A [137]
3 years ago
12

apples cost .65 each and oranges cost .85 each. If I spend $8.80 on apples and oranges, how many pieces of fruit did I buy all t

ogether?
Mathematics
2 answers:
bogdanovich [222]3 years ago
7 0
You brought 12 fruit all together

.65*7= 4.55 for the apples and .85*5=4.25 for the oranges which gives u a total of 8.80
Minchanka [31]3 years ago
5 0
65x7=4.55+(85x5)=8.80
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What is x if n≠m? Please help!
lorasvet [3.4K]

Answer: x = \frac{mn(q - p)}{n-m}\\\\

================================================

Work Shown:

Part 1

\frac{x-m}{m} + p = \frac{x-n}{n} + q\\\\\frac{x-m}{m} - \frac{x-n}{n} = q - p\\\\\frac{n(x-m)}{mn} - \frac{m(x-n)}{mn} = q - p\\\\\frac{xn-mn}{mn} - \frac{xm-mn}{mn} = q - p\\\\\frac{xn-mn-(xm-mn)}{mn} = q - p\\\\

Part 2

\frac{xn-mn-xm+mn}{mn} = q - p\\\\\frac{xn-xm}{mn} = q - p\\\\\frac{x(n-m)}{mn} = q - p\\\\x(n-m) = mn(q - p)\\\\x = \frac{mn(q - p)}{n-m}  \\\\

-------------------------------

Explanations:

  • There are quite a bit of steps. I decided to break things into two parts.
  • The goal is to get x all by itself on its own side, which is why I subtracted (x-n)/n from both sides in part 1, step 2. I also subtracted p from both sides.
  • Afterward, I gave each fraction the LCD mn. I multiplied top and bottom of the first fraction by n/n. I did a similar operation to the second fraction, but with m instead.
  • From there, we distribute and simplify. The mn terms cancel on the left side numerator (second step of part 2).
  • The n≠m is there to prevent the denominator (n-m) from being zero. We cannot divide by zero.
  • If the formulas don't properly display, then you might have to refresh the page.
7 0
3 years ago
Write the expression in radical form
pickupchik [31]
Inside the radical it is (96b)^3

6 0
3 years ago
#8 What is the VALUE of point B (put in decimal form) *
MakcuM [25]

Answer:

B= -2.75

A= -0.25

C= 2.50

4 0
3 years ago
C more than 5 as an algebraic expression??????
Natasha_Volkova [10]
C more than 5 as an algebraic expression c>5
3 0
2 years ago
Read 2 more answers
15 x sin(30)=?/15 x 15
Delicious77 [7]

Answer:

The exact value of

sin

(

30

)

sin(30) is

1

2

12.

15

⋅

1

2

15⋅12

Combine

15

15 and

1

2

12.

15

2

152

The result can be shown in multiple forms.

Exact Form:

15

2

152

Decimal Form:

7.5

7.5

Mixed Number Form:

7

1

2

712

Step-by-step explanation:

8 0
2 years ago
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