3 years ago

Evaluate u + xy, for u = 18, x = 10, and y = 8.

Mathematics

1 answer:

Gnoma [55]3 years ago

3 0

Answer: 98

Step-by-step explanation:

18+(10)(8)= 98

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Need help understanding this problem please

faust18 [17]

f(g(x)) is a composite function:

$f(g(x))=f(\sqrt{x+5})=2\sqrt{x+5}-1$

Plug in <em>x</em> = 4:

$f(g(4)) = 2\sqrt{4+5}-1=2\sqrt9-1=2\cdot3-1=\boxed{5}$

so the answer is C.

7 0

3 years ago

What is the range of f(x) = – 4?

aliya0001 [1]

Range is the value of the output
basically
y=f(x)
since it is -4

y=-4 is the range
not listed

7 0

3 years ago

Bob has some 10 lb weights and some 3 lb weights. Together, all his weights add up to 50 lbs. If x represents the number of 3 lb

olga2289 [7]

Answer:

3x = 50 - 10y

Step-by-step explanation:

Here, x represents the number of 3 lb weights and y represents the number of 10 lb weights,

So, total weight of 3 lb weights = 3x

And, the weight of 10 lb weights = 10y

Total weight of all his weights = 3x + 10y

According to the question,

Total weight = 50 lb,

⇒ 3x + 10y = 50

Or 3x = 50 - 10y

Which is the required equation.

Second option is correct.

3 0

3 years ago

If a probability distribution is 5/12, 1/6, 1/3, x, what is the value of x

wolverine [178]

The probabilities of all possible outcomes in a distribution must sum to 1.

$\dfrac5{12}+\dfrac16+\dfrac13+x=1\implies x=\dfrac1{12}$

5 0

3 years ago

Read 2 more answers

Could u help me ? I really can’t figure this out it’s driving me crazy

Irina18 [472]

Answer:

The answer is 1

One

Uno

Aight nvm

By adding 5 to both side we will just get x2= -4+5

-4+5=1

7 0

3 years ago