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stellarik [79]
3 years ago
11

Selcet the correct story problem

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
8 0

Answer:

i think C

Step-by-step explanation:

MissTica3 years ago
4 0

Answer:

C

Step-by-step explanation:

a and b you are trying to find area and d the fractions are backwards therefore that leaves c

I hope this helps

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A rectangle with length n and height m. A right triangle with hypotenuse n + 1, length n, and height m.
Oksana_A [137]

9514 1404 393

Answer:

  C. 12cm

Step-by-step explanation:

The equation for the perimeter of the rectangle is ...

  P = 2(L+W)

  34 = 2(n +m)

Solving for m, we get

  m = 17 -n . . . . . . . divide by 2, subtract n

__

The Pythagorean theorem gives the relationship between the sides and the hypotenuse

  m^2 +n^2 = (n+1)^2

  (17 -n)^2 +n^2 = (n +1)^2 . . . . . . substitute for m

  289 -34n +n^2 +n^2 = n^2 +2n +1 . . . . eliminate parentheses

  n^2 -36n +288 = 0 . . . . . . . put in standard form

  (n -12)(n -24) = 0 . . . . . . . . . factor

  n = 12 . . . . . . . . . . n=24 is an extraneous solution here

The value of n is 12 cm.

8 0
3 years ago
How old am I if 1,114 reduced by twice my age is 400?
Natasha_Volkova [10]

Answer:

13

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I will give brainiest to whoever answers correctly !!
anyanavicka [17]

Answer:

11.95 - 7.95 = 4

4/7.95 = 0.50314465

0.50314465 X 100= 50.314465

50% rounded to 1dp

6 0
3 years ago
Explain how to convert percent to fractions and percents and decimals
mars1129 [50]
Percents to a decimal is easier to understand just take the percent so say it is 35% the decimal form would be .35 or 5% .05, and for the percent to a fraction just take the percent such as 30/100 and make sure it is in the simplest form to solve so that would be 3/10.
5 0
3 years ago
The 2th term of The A.P is 7 and 9th term is 28, Find The comon difference and The first term.
Radda [10]

Answer:

difference = 3, first term = 4

Step-by-step explanation:

given, a2 = 7

a9 = 28

wkt, a2 = a + d = 7

<u>a9 = a + 8d</u><u> </u><u>=</u><u> </u><u>28</u>

- 7d = - 21

therefore d = 3

and wkt, d = a2 - a

a = 7 - 3 = 4

HOPE THIS HELPS

8 0
3 years ago
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