3 years ago

Helllppppppppppp plsssss

Mathematics

2 answers:

ehidna [41]3 years ago

8 0

No solution because the 8w canceles out snd then it would be 5=4 which is incorrect

LuckyWell [14K]3 years ago

8 0

W=ø
i took this and got it correct

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Peter is 2 years older than Winnie. Peter's age is 16 years less than seven times Winnie's age. The equations below model the re

GarryVolchara [31]

Given equations:
P=w+2
p=7w-16
Compare both equations
7w-16=w+2
Add 16 to both sides.
7w=w+18
Subtract w from both sides.
6w=18
Divide both sides by 6.
w=3, which is the age of Winnie.
Now Peter's age=3+2=5 years

Option A is the correct method to find the age of Peter and Winnie.

7 0

3 years ago

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The universally accepted film size for movies has a width of 35 millimeters. If you want to project a movie onto a square sheet

dlinn [17]

Answer:

<h2>The scale factor is 285.7143 ≅ 286.</h2>

Step-by-step explanation:

The square sheet has an area of 100 square meters.

Hence, the width of the sheet is $\sqrt{100} = 10$ meters.

The scale factor is needs to be in such a way, so that the film's wide will be match perfectly with the square sheet. Hence, 35x millimeters = 10 meters = 10000 millimeters .

$x = \frac{10000}{35} = 285.7143$ .