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Blababa [14]
3 years ago
12

Find the Value of the letter in the following question. Give your answers to 3 s.f.

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

I'm sorry, but I don't understand ;-;

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-5x+35=40<br><br>what are the steps?​
Svetlanka [38]

Answer:

Step-by-step explanation:

-5x + 35 = 40

Subract 35 from both sides -5x + 35 - 35 = 40 - 35  = (-5x = 5)

Divide -5 from both sides -5x / -5 = 5 / -5 =

x = -1

7 0
2 years ago
Read 2 more answers
X and Y are continuous values, both measured to 2 significant figures. X=230 and Y=400. work out the greatest possible value of
kirill115 [55]
"Two significant figures" means that a digit after the second one could actually be anything ... it wasn't measured. 'X' could be anything from 230 to 239. 'Y' could be anything from 400 to 409. The greatest possible value of that fraction is. (239)/(409 squared) .
8 0
3 years ago
Something on sale for $725. The original price was $1299. To the nearest tenth of a percent, what was the rate of discount?
ElenaW [278]

Answer:

44.2%

Step-by-step explanation:

Rate of discount = (difference in prices / original price) x 100

Difference in price = $1299 - $725 = $574

Original price = $1299

($574 / $1299) x 100 = 44.187837%

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

the hundredth figure is 8, which is greater than 5. 1 would be added to the tenth figure.

So it becomes 44.2%

4 0
2 years ago
Add together 2350mm 3.42cm 11/2m and 1.45m
Artyom0805 [142]
9.3342meters because you convert 2350mm into m which is 2.35m, + and also convert 3.42cm to m which is 0.0342 then + 1.45m +11/2m= 9.3342m
6 0
3 years ago
Suppose Josh drives the 45 miles from Appleton to Berwyn at the constant speed of 30 miles per hour. On the return trip, he driv
Bas_tet [7]
Avarage speed is (60+30)/2  = 45 miles per hour 

 bot is the same , Do not think so it is a right question.
8 0
3 years ago
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