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Alinara [238K]
3 years ago
15

Please PLEASE HELP me

Mathematics
2 answers:
Phantasy [73]3 years ago
6 0
It has to be the first one
SCORPION-xisa [38]3 years ago
4 0

Answer:

The answer is option 2.

Step-by-step explanation:

You can find it using Pythagoras Theorem' :

{c}^{2}  =  {a}^{2}  +  {b}^{2}

Let a be 15 units,

Let b be 14 units,

{c}^{2}  =  {15}^{2}  +  {14}^{2}

{c}^{2}  = 421

c =  \sqrt{421}

c = 20.5 \: units \: (3s.f)

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Write the phrase as a variable expression?
sergejj [24]
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3 years ago
A new unit has been formed in the army . In this until, 1 member is a staff sergeant , 3 are sergeants,21 are PFC's and 35 are P
eduard

Answer:

93%

Step-by-step explanation:

1 + 3 + 21 + 35 = 60 = 100%

21 + 35 = 56 = x%

60 = 100%

56 = x%

60x = 56 * 100

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x = 2*23*2*2*5*5 / 2*2*3*5

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6 0
3 years ago
949 rounded to the nearest ten
stealth61 [152]

949 rounded to the nearest ten would be 950 because 5 and above rounds up to the next 10.
5 0
2 years ago
Read 2 more answers
I need help on three questions. I hope it doesn't take up a lot of time.
Romashka-Z-Leto [24]

Answer:

1) x ≤ 8

2) s < 11

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Step-by-step explanation:

1) x+9-3≤14

x+6≤14

x ≤ 8

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44>33+s

s < 44-33

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3) 6.1 - 0.3 ≥ c + 1

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8 0
2 years ago
F=9/5c+32 solve for c
Paraphin [41]

Answer:

5/9 (F-32)=c

Step-by-step explanation:

F=9/5c+32

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Multiply each side by 5/9

5/9 (F-32)=5/9*9/5c

5/9 (F-32)=c

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3 years ago
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