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RoseWind [281]
3 years ago
5

3 ft 10 ft Perimeter: Area:

Mathematics
1 answer:
Crazy boy [7]3 years ago
8 0

Step-by-step explanation:

The area = 3 × 10 = 30

The perimeter = 2(3 + 10) = 26

please give me a brainliest answer

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Suppose the shipping company were packing balls with a diameter of 2 inches instead of cubes. Would the large box hold more ball
Roman55 [17]

Answer:

More

Step-by-step explanation:

Because the absence of corners allows more space for more balls

8 0
3 years ago
If a farmer sells 9.8 KL of apples and pears at the farmers market. 4/5 of this weight is apples,and the rest are pears. How man
faltersainse [42]

Answer:

1.96

Step-by-step explanation:

A farmer sells 9.8 kl of apples and pears

4/5 of this weight is apples, while the rest are pears

Therefore the wight of pears can be calculated as follows

Let x represent the weight of pears

9.8= 4/5×9.8 + x

9.8= 0.8×9.8+x

9.8= 7.84+x

9.8-7.84= x

x= 1.96

8 0
4 years ago
Vine an integer to represent each description.
GalinKa [24]

Answer:

1. -11

8. -18

5. -37299

17. -19

19. -4000

10.

5 0
4 years ago
Given the system of equations, what is the solution?5x - 4y = 7x = 5 - 3/2y
nignag [31]

9514 1404 393

Answer:

  (x, y) = (61/23, 36/23)

Step-by-step explanation:

We assume you intend the equations to be ...

  • 5x -4y = 7
  • x = 5 -3/2y

Then in general form, they are ...

  5x -4y -7 = 0

  2x +3y -10 = 0

The solution using the "cross multiplication method" is ...

  1/(15 +8) = x/(40+21) = y/(-14 +50)

  (x, y) = (61/23, 36/23)

_____

<em>Comment on "cross multiplication method"</em>

When the coefficients from the general form equations are written as a 2×4 array with the first and last columns the same ...

  \left\{\begin{array}{cccc}5&-4&-7&5\\2&3&-10&2\end{array}\right\}

the solution is 1/d1 = x/d2 = y/d3, where d1, d2, d3 are the determinants of successive pairs of columns.

  • d1 = (5)(3) -(2)(-4)
  • d2 = (-4)(-10) -(3)(-7)
  • d3 = (-7)(2) -(-10)(5)
8 0
3 years ago
A cooler contains 4.5 gallons of water and is filling up at a rate of 0.1 gallons per second. A second cooler contains 7 gallons
denpristay [2]

The equation that can be used to determine when each cooler would contain the same amount of water is 4.5 + 0.1t = 7 + 0.25t

<h3>When the coolers would have the same amount of water?</h3>

Equation that can be used to determine the amount of water in the first cooler at time t : 4.5 + 0.1t

Equation that can be used to determine the amount of water in the second cooler at time t : 7 + 0.25t

Where t represents seconds

When they have the same amount of water, the two above equations would be equal

4.5 + 0.1t = 7 + 0.25t

Combine similar terms

7 - 4.5 = 0.1t - 0.25t

2.5 = 0.75t

Hence the equation that can be used to determine when each cooler would contain the same amount of water is 4.5 + 0.1t = 7 + 0.25t

To learn more about mathematical equations, please check: brainly.com/question/26427570

#SPJ1

8 0
3 years ago
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