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Advocard [28]
3 years ago
9

Hi i need help with this please explain your answer

Mathematics
2 answers:
Greeley [361]3 years ago
8 0
Is it 9/10 and 7/20?
ValentinkaMS [17]3 years ago
5 0

Answer:

11/20

Step-by-step explanation:

9/10 - 7/20

9×2

10×2 subtract from 7 / 20

( multiply 2 on numirator and dinominator to the first fraction to make both fractions the same)

So 18/20 - 7/20 = 11/20

If that made any sense lol

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A plane flight to Washington D.C costs $200 give or take $50. A plane flight to China costs $1,250 give or take $50. Which plane
kakasveta [241]

Answer:

  The DC flight

Step-by-step explanation:

A fixed amount ($50) is always a larger fraction of a smaller number. It is a larger fraction of $200 than of $1250. The plane flight to Washington DC is affected relatively more by a variation of $50.

__

A price change of $50 on a base price of $200 is a percentage change of 25%.   50/200 × 100% = 25%

A price change of $50 on a base price of $1250 is a percentage change of about 4%.  50/1250 × 100% = 4%

4 0
4 years ago
You have three numbers two of the numbers are 24 and 42 what is the GCF of these two numbers
motikmotik

The Greatest Common Factor is 6. This is because 6 is the maximum number they can <em>both </em>be divided by.

7 0
3 years ago
Read 2 more answers
An umbrella is made by stitching 10 triangular pieces of clothes of 2 different colors, each piece measuring 9 cm, 40 cm and 41
malfutka [58]

Answer:

See below in bold.

Step-by-step explanation:

The triangular piece of cloth is a right triangle because 41^2 = 40^2 + 9^2 (By the Pythagoras theorem).

So the area of one piece = 1/2 * 9 * 40  cm^2.

The total amount of cloth  required for one umbrella = 10 * 1/2 * 9 * 40

= 1800 cm^2.

The total cost =  1800 * 0.25 = Rs 450.

3 0
3 years ago
Use the net to find the surface area of the prism.<br><br> in^2
igomit [66]
Total surface aera

1 big recangle and 2 triangles

rectangle has base of 3+4+5= 12

12*7=84
the 2 triangles
has base is 4
height of 3
2 of them
2*1/2*3*4=12

add total
84+12=96 in^2
4 0
3 years ago
What is the solution of the system of equations?y = –4x + 10y = –2x – 6(–22, 8)(8, –22)(–2, –2)(–2.67, 20.67)?
forsale [732]
The solution is the second choice:
  (8, -22)

_____
That is the point on the graph where the line intersect.

5 0
3 years ago
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