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stiv31 [10]
3 years ago
7

Idk what to do, can someone please help?

Mathematics
1 answer:
bekas [8.4K]3 years ago
6 0
It's simple .....
just subtract R and C.....

so 50x+10-10x-275
= 40x-265

so the answer is B
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How many solutions does this system of equations have?
Alekssandra [29.7K]
The first step for solving this expression is to know that since both of the expression are equal to y,, we must set them each to each other to form an equation in x. This will look like the following:
-3x + 7 = -3x - 6
Now cancel equal terms on both sides of the equation.
7 = -6
This tells us that the statement is false for any value of x and y,, so our answer is (x,y) ∈ ∅,, or no solution (option D).
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7 0
3 years ago
1) A rectangular storage container with an open top is to have a volume of 15 m 3 . The length of its base is four times the wid
My name is Ann [436]

9514 1404 393

Answer:

  a) V = 4w²h

  b) SA = 4w² +10wh

  c) SA = 4w² +37.5/w

  d) C = 40w² +225/w

Step-by-step explanation:

The relevant formulas are ...

  V = LWH

  base area = LW

  lateral area = H(2(L+W))

__

a) The length is 4 times the width, so the volume is ...

  V = (4w)(w)(h)

  V = 4w²h

__

b) The total surface area is the sum of the base area and the lateral area:

  SA = base area + lateral area

  SA = (4w)(w) + 2h(4w +w)

  SA = 4w² +10wh

__

c) The volume is 15 m³, so the height in meters in terms of the width in meters is ...

  15 = 4w²h

  h = 15/(4w²)

Then the surface area is ...

  SA = 4w² +10w(15/(4w²))

  SA = 4w² +37.5/w

__

d) The equation we have for surface area has one term for base area and a second term for lateral area. We can apply the cost factors to those terms to get the cost of materials:

  C = 10(4w²) +6(37.5/w)

  C = 40w² +225/w

4 0
3 years ago
What’s the correct answer for this?
STatiana [176]

Answer:

6.7

Step-by-step explanation:

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3 years ago
HELP PLEASE. URGENT TIMED QUIZ.
Fittoniya [83]

Answer: a

Step-by-step explanation: Because……….

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2 years ago
The points (8,-10) and (6,w) fall on a line with the slope of -2. What is the value of w?
ella [17]
W = -6
You get the formula from (8, -10) and the slope.
7 0
3 years ago
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