3 years ago

Solve: 17.2 = 8.9 + c c =

Mathematics

1 answer:

vaieri [72.5K]3 years ago

4 0

Answer:

The square root of 8.3, and -8.3

Step-by-step explanation:

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Two numbers differ by 3. Their product<br> is 28. Find the numbers.

Paraphin [41]

Answer:

Two solutions (-4,-7) and (4,7)

Step-by-step explanation:

x = y + 3

x*y = 28

(y+3)*y=28

y^2+3y-28=0

(y+7)(y-4)=0

y=-7, y=4

x=-4, x=7

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2 years ago

The graph shows the probability distribution of a random variable.

Natasha2012 [34]

The answer is 0.50.

P(4<=X<=8)=P(x=4)+ P(x=5)+ P(x=6)+ P(x=7)+ P(x=8)= 0.05+ 0.15+0.15+0.15 +0 = 0.50

Notice that in 8 the line touches the x axis so it’s corresponding probability is 0.

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2 years ago

If your cell phone bill was $67.85 and there is a 7.5% late fee how much will your bill be?

dedylja [7]

$67.85 \times .075 = 5.08875 \\ 67.85 + 5.08875 = 72.94$
bill is $72.94

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4 years ago

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neonofarm [45]

Answer:

ur dumb kid

Step-by-step explanation

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3 years ago

Simply<br> tan 45°. sin 30° - cot 45°/sec 60°

dusya [7]

If we want to write the given four numbers in another form, we can write it like this;

$tan45=sin45/cos45=1$

$sin30=sin(\frac{\pi }{2}-60 )=cos60=\frac{1}{2}$

$cot45=cos45/sin45=1$

$sec60=1/cos60=\frac{1}{1/2} =2$

Now let's rewrite the given expression and get the result.

$(tan45.sin30)-(cot45/sec60)=(1.\frac{1}{2})-(\frac{1}{2} )=0$

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2 years ago

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