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RSB [31]
3 years ago
10

2 3/7 + (-1 3/4) i need help please

Mathematics
1 answer:
julsineya [31]3 years ago
7 0

Answer:

1/28

Step-by-step explanation:

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A shade of green paint is made by mixing yellow paint and blue paint in the ratio 5:2. Mel has 30 litres of yellow paint and 9 l
vodomira [7]

Answer:

31.5 litres

Step-by-step explanation:

If Mel uses all 30 litres of yellow paint, then:

5 / 2 = 30 / x

5x = 60

x = 12

Mel would need 12 litres of blue paint, but she only has 9 litres.  So the amount of yellow paint she needs is:

5 / 2 = x / 9

2x = 45

x = 22.5

Mel will use 22.5 litres of yellow paint with 9 litres of blue paint to make a total of 31.5 litres of green paint.

4 0
3 years ago
Carl wants to buy a television that cost $500 including taxes to pay for the television he will use a payment plan that requires
ozzi

Answer:

41%

Step-by-step explanation:

Given the cash price is $500, the hire purchase price is calculated by summing the installment and down-payment:

Hire \ Purchase \ Price=Installments +Downpayments\\\\=8\times 72.50+125\\\\=705

#Percentage increase in price is the difference between the hire purchase price and list price as a percentage of the list price:

\bigtriangleup Price=705-500\\\\=205\\\\\%\bigtriangleup Price=\frac{\bigtriangleup Price}{500}\times 100\%\\\\\\=\frac{205}{500}\times100\%\\\\=41\%

Hence, the % increase in price is 41%

7 0
3 years ago
The legs of a right triangle are 18 centimeters and 80 centimeters long. What is the length of the hypotenuse?
noname [10]
A^2 + b^2 = c^2....a and b are ur legs and c is ur hypotenuse
18^2 + 80^2 = c^2
324 + 6400 = c^2
6724 = c^2
sq rt 6724 = c
82 = c.....so the hypotenuse is 82 cm
7 0
3 years ago
Read 2 more answers
Which is true about the functional relationship shown in the graph?
Juliette [100K]

The cost of the apples is a function of their weight option (A) is correct because the independent variable (x) is the weight of the apples.

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

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

The options are:

  • A. The cost of the apples is a function of their weight.
  • B. The weight of the apples is a function of the number of apples.
  • C. The cost of the apples is a function of the type of apples.
  • D. The weight of the apples is a function of their cost.

From the graph:

The y-axis is representing the cost(c) of the apples in dollars and

The x-axis is representing the weight(w) of the apples in pounds.

c = f(w)

The independent variable (w) is the weight of the apples

The dependent variable (c) is the cost of the apples

Thus, the cost of the apples is a function of their weight option (A) is correct because the independent variable (w) is the weight of the apples.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

8 0
2 years ago
Read 2 more answers
In a rectangle, one side is twice as long as another side. The perimeter of this rectangle is how many times as long as his shor
Ede4ka [16]

Answer: 6 times

Step-by-step explanation:

Let the Length of the rectangle be L and the Width be W

Also , let us pick the Length as the longest side , then from the statement

L = 2W

The perimeter of a rectangle is given as :

P = 2 ( L + W )

substitute L = 2W into the formula , we have

P = 2 ( 2W + W )

P = 2 (3W)

P = 6W

Therefore the Perimeter is 6 times as long as the Width

3 0
3 years ago
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