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S_A_V [24]
3 years ago
10

7Bx%7D%7B7%7D%20" id="TexFormula1" title=" \frac{5}{7 } + \frac{x}{2} = 2 - \frac{x}{7} " alt=" \frac{5}{7 } + \frac{x}{2} = 2 - \frac{x}{7} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
uysha [10]3 years ago
8 0

For this case we must solve the following equation:

\frac {5} {7} + \frac {x} {2} = 2- \frac {x} {7}

So, we have:

\frac {10 + 7x} {14} = \frac {14-x} {7}\\7 (10 + 7x) = 14 (14-x)

We apply distributive property to both sides of the equation:

70 + 49x = 196-14x

We add 14x to both sides of the equation:

70 + 49x + 14x = 196\\70 + 63x = 196

We subtract 70 to both sides of the equation:

63x = 196-70\\63x = 126\\x = \frac {126} {63}\\x = 2

So, the solution is: x = 2

Answer:

x = 2

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Answer please, thanks.
Rudik [331]
A) The perimeter is the length around the rectangle, so it would be 2 + 5 + 2 + 5 = 14m

The area is 2m * 5m = 10m^2

b/c) You have to draw a rectangle with a perimeter of 14m, and an area that ISN'T 10m^2. You could draw a 3m by 4m rectangle which would have a perimeter of 14m and an area of 12m^2.
4 0
3 years ago
A certain book had an original rating of 27 out of 30 points on a survey chart. Each month, the rating fell by 3 points. Express
Natali [406]

Answer:

D.) f(m)=27−3m

Step-by-step explanation:

Given that:

Original rating = 27

Total possible rating points = 30

Drop in rating point per month = 3

m = number of months since release :

Hence,

F(m) = original rating - drop in rating per month * number of months since release

F(m) = 27 - 3(m)

F(m) = 27 - 3m

7 0
3 years ago
Find the slope of the line graphed in the diagram and choose the correct answer from the choices below. The two intercepts are (
kvasek [131]
The correct slope is -5/2.

The formula for slope is

m = (y₂-y₁)/(x₂-x₁)

The y-coordinate of the second point is 0, and the y-coordinate of the first point is 2.  The x-coordinate of the second point is 0.8 and the x-coordinate of the first point is 0:

m = (0-2)/(0.8-0) = -2/0.8 = -2 ÷ 8/10 = -2 × 10/8 = -2/1 × 10/8 = -20/8 = -5/2
3 0
3 years ago
HELP PLS!!! ASAP
horrorfan [7]

Answer:

x(3 – 4)

Step-by-step explanation:

x^3y

/x^4y

get rid of y

x^3/x^4

subtract exponents

x(3 – 4)

Brainliest please ask me if you have more questions.

5 0
3 years ago
Read 2 more answers
When Danielle goes grocery shopping, she usually buys a gallon of milk and some dinner rolls. She has noticed that there seems t
nika2105 [10]

Answer: The answer is actually C


Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
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