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Rom4ik [11]
3 years ago
15

What is 3/4 - 2/7 i cant get it

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

=13/28

Step-by-step explanation:

you can also use symbolab  for these types of math problems<3

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there is a 750 ml bottle of concentrate orange squash it is enough to make fifteen 250 ml glasses of diluted orange drink how mu
Anarel [89]
15 \times 250 \ ml=3750 \ ml
Fifteen 250 ml glasses contain 3750 ml of the drink, and 750 ml of orange squash.
3750 \ ml - 750 \ ml=3000 \ ml
There are 3000 ml of water in 3750 ml of the drink.

3000 ml of water - 3750 ml of the drink
x l of water - 10 l of the drink

\frac{3000 \ ml}{3750 \ ml}=\frac{x \ l}{10 \ l} \\&#10;3750x=10 \times 3000 \\&#10;3750x=30 000 \\&#10;x=8

8 litres of water are needed to make 10 litres of this drink.
4 0
3 years ago
A basketball team wants to paint half of a free-throw circle grey. If the circumference of the free-throw circle is 30.77 feet,
Nezavi [6.7K]

Answer:

37.7 ft²

Step-by-step explanation:

2×3.14×r=30.77

<em>Divide both sides by 2</em>

3.14×r=15.385

<em>Divide both sides by 3.14</em>

r≈4.9

3.14×r²

3.14×4.9²=

24.01×3.14≈

75.4

75.4÷2=

37.7

6 0
4 years ago
50 points :] !!
nasty-shy [4]

Given,

LP = 15, PR = 9

Point P lies on the line segment PR. It would mean that,

LP + PR = LR

⇒LR = 15 + 9

⇒ LR = 24

Hence, "LR = 24 because LP + PR = LR according to the Segment Addition Postulate, and 15 + 9 = 24 using substitution" is the correct option.

6 0
3 years ago
Using the box-and-whisker plot shown, find the quartile values Q1 and Q3
astra-53 [7]

Answer:

see explanation

Step-by-step explanation:

The lower quartile Q_{1} is positioned at the left side of the box, that is

Q_{1} = - 4

The upper quartile Q_{3} is positioned at the right side of the box

Q_{3} = 6

7 0
4 years ago
A new car is purchased for 23900 dollars. The value of the car depreciates at 14.25% per year. To the nearest tenth of a year, h
svp [43]

Answer:

The value of the car will be 6100 dollars in 8.8 years

Step-by-step explanation:

Present value of car = $23900

The value of the car depreciates at 14.25% per year

Let x be no. of years in which  the value of the car becomes 6100 dollars

Formula: N(t)=N_0(1-r)^t

Substitute the values :

6100=23900(1-\frac{14.25}{100})^x\\\frac{6100}{23900}=(1-\frac{14.25}{100})^x\\x=8.8

Hence the value of the car will be 6100 dollars in 8.8 years

7 0
4 years ago
Read 2 more answers
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