2 years ago

X/19 = 4 what is x please help i don`t under stand this equation p.s. xover 19 =4

Mathematics

1 answer:

ivann1987 [24]2 years ago

8 0

The answer is 76 i think

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Jlenok [28]

Answer:

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3 years ago

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If x2 + y2=6 , xy = 5 , then (X + y)2? <br><br><br><br>

VARVARA [1.3K]

Answer:

(x + y)² =16

Step-by-step explanation:

hello :

(x + y)² = x²+y²+2xy and : x²+y² = 6 xy = 5

(x + y)² = 6+2(5)

(x + y)² =16

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2 years ago

An arena is hosting a concert. At the most, the arena can hold 8,500 people. If tickets have already been sold to 6,900 people,

ElenaW [278]

Answer:

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2 years ago

Can you work out G and H for me please. preferably telling me how you did it aswell

Veronika [31]

Abd is a right angled triangle so by pythagoras we know
${g}^{2} = {11}^{2} + {13}^{2} \\ {g}^{2} = 290 \\ g = \sqrt{290} \: or \: g = 17.03cm$
and to calculate h we need to use the sine rule
$\frac{h}{ \sin(22) } = \frac{g}{ \sin(32) } \\ \frac{h}{ \sin(22) } = \frac{17.03}{ \sin(32) } \\ h = \frac{17.03}{ \sin(32) } \times \sin(22) \\ h = 12.04cm$
i hope this helps

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3 years ago

You are bored on day, so you start rolling a die. You roll it 10 times and you get a 6 eight of the times. You think this is str

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3 years ago