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AlexFokin [52]
3 years ago
7

The mean of six numbers is 8, and the mean of another four numbers is 5.

Mathematics
1 answer:
Ket [755]3 years ago
4 0

Answer:

6.8

Step-by-step explanation:

8 * 6 = 48 (to reverse dividing by 6 to basically un-average the 6 numbers).

5 * 4 = 20 (to un-average these numbers as well).

48 + 20 = 68

68 / 10 = 6.8

Basically by doing this you are still adding all the numbers together & then dividing by 10 as if you added them all up at once & not in a group of 6 & a group of 4.

Hope this helped. :)

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Help PLZ
Makovka662 [10]

Answer:

If they are travelling in opposite directions, their total distance is the 135. So add their distances together to get 135

x=Quinn's speed

x+5 = James' speed

they each travel for 5 hours

speed x time = distance

x(5) + (x+5)(5) = 135

Quinn's distance + James' distance = total distance

5x+5x+25=135

10x = 110

x = 11

Quinn travels at 11 mph and James travels at 16 mph

Quinn travels 55 miles (5x11)

and James travels 80 miles (16 x 5)

80 + 55=135

5 0
3 years ago
Alonso plans to go to the animal shelter to adopt a dog and then take the dog to Precious Pup Grooming Services. The shelter is
Angelina_Jolie [31]

Using proportions, it is found that the coordinates of Alonso's home are given by: (3,6).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

Alonso's home is one third of the way from the shelter to Precious Pup Grooming, considering the ratios given, hence:

A - S = 1/3(P - S).

For the x-coordinate, we have that:

x + 1 = 1/3(11 + 1)

x + 1 = 4

x = 3.

For the y-coordinate, we have that:

y - 9 = 1/3(0 - 9)

y - 9 = -3

y = 6.

The coordinates of Alonso's home are given by: (3,6).

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

6 0
1 year ago
Maria looked at the nutrition labels for 5 different foods. She recorded the total calories and the calories from fat for each f
Nikolay [14]

Answer:

food 1 food 3 food 5

Step-by-step explanation:

3 0
3 years ago
Please help me I suck at math
daser333 [38]

Answer:

1) 27/128 ft³

2) 40cm³

Step-by-step explanation:

1) The diagram is a cuboid not a prism.

Volume of the shape = Length × Breadth × Height

Given the following dimension

Length = 3/8 ft

Breadth = 3/4 ft

Height = 3/4 ft

Volume = 3/8 × 3/4 × 3/4

Volume of the shape = 27/128 ft³

2) Volume of a rectangular prism = Base Area × Height

Given base area = 12cm²

Height of the prism = 3 1/3 cm

Volume = 12 × 3 1/3

Volume = 12 × 10/3

Volume = 4 × 10

Volume of the prism = 40cm³

5 0
4 years ago
Divide. 8,375 ÷ 45 number and remainder
Darina [25.2K]

Answer: 186 with a remainder of 5.

Method One:

      See attached for my work, I used long divison.

Method Two:

     We will use a calculator to find the value, then multiply the value (without the decimals) by the divisor. Lastly, we will subtract. This makes more sense with the work:

8,375 ÷ 45 = 186.11111111

186 * 45 = 8,370

8,375 - 8,370 = 5

4 0
2 years ago
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