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aalyn [17]
3 years ago
15

20 ounces at $7

Mathematics
1 answer:
yanalaym [24]3 years ago
6 0

9514 1404 393

Answer:

  • $5.95
  • 720 bu

Step-by-step explanation:

We assume the given ratios are proportional. I find it easiest to write the proportion with the unknown in the numerator.

a) dollars/ounces = x/17 = 7/20

Multiply by the inverse of the coefficient of x to solve.

  x = 17(7/20) = 5.95 . . . dollars

__

b) bushels/acres = x/9.6 = 225/3

  x = 9.6(225/3) = 720 . . . bushels

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jok3333 [9.3K]

Answer:

The answer would be -9x^2+x-8

6 0
3 years ago
If a and b are real numbers and a < b, is the statement a + c > b + c true? Why or why not?
Lina20 [59]
I think it is false because b is bigger than a

6 0
4 years ago
Richard wants to make a garden with a perimeter of 16 feet, and length of 4 feet. He solves for the width by subtracting 8 from
Ostrovityanka [42]

The equation that can be used to solve this is:

P =2W+2L\\OR\\P-2L = 2W\\\frac{P-2L}{2} = W

Further explanation:

Let

P\ be\ the\ perimeter\\L\ be\ the\ width\\W\ be\ the\ width

The equation for the perimeter will be:

P =2W+2L

Given

P = 16 feet

L = 4 feet

W = ?

Putting the values in the perimeter formula

16=2(4)+2W\\16=8+2W\\16-8= 2L\\8=2L\\L=\frac{8}{2}\\L=4\ feet

The equation that can be used to solve this is:

P =2W+2L\\OR\\P-2L = 2W\\\frac{P-2L}{2} = W

Keywords: Periemter of rectangle, linear equation

Learn more about perimeter of rectangle at:

  • brainly.com/question/10879401
  • brainly.com/question/11207748

#LearnwithBrainly

3 0
3 years ago
Ben thinks that the slope ratio for this triangle is 7/10. Carlissa thinks the ratio is 10/7 Who is correct? Explain your thinki
Alekssandra [29.7K]

Answer:

Both answers are correct, depending on the angle taken as reference

Step-by-step explanation:

we know that

In a right triangle

The slope ratio of the triangle is equal to the function tangent

The function tangent in a right triangle is equal to the opposite side to the angle divided by the adjacent side to the angle

so

tan(35)=\frac{7}{10} -----> Ben's ratio

and

tan(55)=\frac{10}{7} ------> Carlissa's ratio

therefore

The slope will depend on the angle taken as a reference

so

Both answers are correct, depending on the angle taken as reference.

3 0
3 years ago
What is the dimension of a rectangle if the perimeter is 198
AfilCa [17]

Answer:

Length = 49.5 unit and width = 49.5 unit

Step-by-step explanation:

Given as , Perimeter of rectangle = 198 unit

so ,as Perimeter of rectangle = 2× ( Length + width)

Or,                                   198 = 2 ×  (Length + width)

Or,                                   \frac{198}{2} = length + width

So, length + width = 99 unit

Now to make area maximum

Length × width = maximum

Or, (99 - width ) × width = maximum

      99 Width - width² = maximum                              Let width = W

Now differentiate both side with respect to W

D(99W - W²)\frac{D(99w - w^2)}{Dw} = 0         as, constant diff is 0

So, 99 - 2w = 0

Or, w = \frac{99}{2}

Or, w = 49.5 unit    and L = 99- 4905 = 49.5 unit      Answer

3 0
3 years ago
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