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ZanzabumX [31]
3 years ago
10

andy gets 7 out of 25wrtong in his maths test what fraction of the questions does andy answer correctly

Mathematics
2 answers:
quester [9]3 years ago
7 0

Answer:

18/25

25/25 - 7/25 = 18/25

It is simplified

Step-by-step explanation:

alexira [117]3 years ago
5 0
18/25 i think! :) can’t simplify (
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Challenge Yael used to have a square garage with 370 ft ^2of floor space. She recently built an
Yuki888 [10]

Scale factor of area is the square of the scale factor of length

The required values are;

  • The length of one sides of the garage was originally approximately <u>19.2 ft.</u>
  • The length of one of the sides of the garage is now approximately <u>23.6 feet</u> long
  • The percentage increase in length is approximately <u>22.5 %</u>

Reason:

The given parameters are;

The area of the square garage = 370 ft.²

The area of the new garage has 50% more space

Required;

Part A

The initial side length

The initial side length, given to the nearest tenth, <em>s</em>, is the square root of the area, <em>A</em>, given as follows;

  • s = √(370 ft.²) ≈ 19.2 ft.

Part B

The side was increased by 50%, to give,

370 + 0.5×370 = 555

The new area of the garage = 555 ft.²

The side length of the new garage, s = √(555) ≈ 23.6

  • The side of the garage now is 23.6 ft.

Part C

The percentage increase is given as follows;

The \ percentage \  increase \ in \ length = \dfrac{New \ length - Initial \ length}{Initial \ length }

The \ percentage \  increase \ in \ length = \dfrac{\sqrt{555}  - \sqrt{370} }{\sqrt{370}  } \times  100 \approx 22.5 \%

  • The percentage increase in length of the side of the garage is approximately 22.5 %

Learn more here:

brainly.com/question/7639412

3 0
2 years ago
Help me out guys I’ll give u a star
True [87]

Answer:

y= 4x -6

Step-by-step explanation:

you write the equation by finding the y-intercept (what y is when x is 0) and then find the slope. slope is rise/run (or y-value over x-value) so you count how you get from the first number of the table, to the second number (for both top and bottom) with the x-values they go up by 1 every time, and with the y-values they go up by 4 every time. so put it as rise/run which would be 4/1 and then simplify, so it's 4. and then you plug the slope and y-intercept into the equation y=mx+b (m is slope and b is y-intercept) and you get:         y=4x-6

7 0
3 years ago
Five times the difference of a number, x, and 3 plus 7 is equal to -45.
miskamm [114]

Answer:

5(x-3)+7=-45

Step-by-step explanation:

The only possibly way for 5 to multiply 2 numbers is if those numbers are in parenthesis

7 0
2 years ago
ASAP! WILL MARK BRAINLIEST!!
Naya [18.7K]

Answer:

y=x+5+x+5?

Step-by-step explanation:

I'm not sure and I did this not that long ago

5 0
3 years ago
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A package contains 6 cups of cereal. Each serving is 1/4 cup of cereal. How many serving are there in all?
Marina CMI [18]

Answer:

1 and 2/4 I think

Step-by-step explanation:

7 0
3 years ago
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