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DedPeter [7]
3 years ago
15

Can someone do 4, 5, 7 and 8 im failing math and avoiding a whooping

Mathematics
1 answer:
Valentin [98]3 years ago
4 0
The answer to five is 75
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Suma a 3 numere naturale este 163. Scazand al treilea numar din suma primelor doua numere, obtinem 67. Scazand primul numar din
Vika [28.1K]

Answer: x=63, y=52, z=48

Step-by-step explanation:

The complete question in english is:

The sum of 3 natural numbers is 163. By subtracting the third number from the sum of the first two numbers, we get 67. By subtracting the first number from the sum of the last 2 numbers, we get 37. Determine the 3 numbers

According to this we have a system with three equations and three unknown values:

x+y+z=163 (1)

x+y-z=67 (2)

-x+y+z=37 (3)

Let's begin by isolating x from (1):

x=163-y-z (4)

And substitute (4) in (2):

163-y-z+y-z=67 (5)

Isolating z:

z=48 (6) We have found the first number

Substituting (6) in (1):

x+y+48=163 (7)

Adding (7) to (3):

\left \{ {{x+y+48=163} \atop {-x+y+z=37}} \right

We have the following:

2y+96=200

Isolating y:

y=52 (8) This is the second number

Substituting (6) and (8) in (1):

x+52+48=163 (9)

Isolating x:

x=63 (10) This is the third number

8 0
4 years ago
Find the unit impulse response of a system specified by the equation
STatiana [176]
What's the equation?

impulse = force times time
3 0
4 years ago
50 POINTS PLEASE HELP!!!!!!!!!! ALL SH!+Y ANSWERS REPORTED.
NNADVOKAT [17]
62=14 + 2x

62-14=2x

48=2x

48/2=x

24 answer: 24

hope this helped
6 0
3 years ago
It’s operations on functions
Lunna [17]

Answer:

D

Step-by-step explanation:

because my uncle helped and hes pretty smart

3 0
4 years ago
A bicycle store costs $2450 per month to operate. The store pays an average of $75 per bike. The average selling price of each b
Murljashka [212]

Answer:

35

Step-by-step explanation:

Breakeven quantity are the number of  units produced and sold at which net income is zero

Breakeven quantity = fixed cost / price – variable cost per unit

Fixed costs are costs that do not vary with output. e,g, rent, mortgage payments

If production is zero or if production is a million, Mortgage payments do not change - it remains the same no matter the level of output.  

Hourly wage costs and payments for production inputs are variable costs

Variable costs are costs that vary with production

fixed cost = $2450

Variable cost = $75

price = $145

(2450) / (145 - 75) = 35

5 0
3 years ago
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