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Alja [10]
3 years ago
5

Please help Solve s=4+sqrt(s+2)

Mathematics
2 answers:
m_a_m_a [10]3 years ago
8 0

Answer:

Option (2) is correct.

s = 7 satisfy the given equation s=4+\sqrt{s+2}.

Step-by-step explanation:

Consider the given equation,

s=4+\sqrt{s+2}

We have to solve for the value of s so that it satisfy the given equation

We first check for s = 2,

LHS = s = 2

RHS = 4+\sqrt{s+2}

Put s = 2 , we get ,

s=4+\sqrt{2+2}=4+\sqrt{4}=4+2=6

we get LHS = 2 and RHS = 6 which are not equal.

Thus, s = 2 does not satisy the given equation.

We now check for s = 7

LHS = s = 7

RHS = 4+\sqrt{s+2}

Put s = 7 , we get ,

s=4+\sqrt{7+2}=4+\sqrt{9}=4+3=7

we get LHS = 7 and RHS = 7 which are equal.

Thus, s = 7 satisfy the given equation s=4+\sqrt{s+2}.

AysviL [449]3 years ago
4 0
The correct answer is S =7
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kotykmax [81]

Answer:

16.5 hours

Step-by-step explanation:

The bicycle costs $240.  Eva already has $42.  She is making $12 per hour.

240 = 12x + 42

Solve for x to find out how many hours Eva needs to work to buy the bicycle.

240 = 12x + 42

240 - 42 = (12x + 42) - 42

198 = 12x

198/12 = (12x)/12

16.5 = x

Eva needs to work 16.5 hours to be able to buy the bikw.

6 0
3 years ago
What is the square root of 5000
valentinak56 [21]

the square root of 5000 is 71 (rounded to the nearest)


3 0
3 years ago
Read 2 more answers
Twin brothers, Billy and Bobby, kid mother grandparents lawn together for 60 minutes. Billy could mow the lawn by himself in 20
Dovator [93]

Answer:

Bobby around 131 minutes and Billy around 111 minutes

Step-by-step explanation:

To solve the problem it is important to raise equations regarding what happens.

 They tell us that Billy (Bi) and Bobby (Bo) can mow the lawn in 60 minutes. That is to say that what they prune in a minute is giving as follows:

1 / Bo + 1 / Bi = 1/60 (1)

They say Billy could mow the lawn only in 20 minutes less than it would take Bobby, therefore

1 / Bi = 1 / (Bo-20) (2)

Replacing (2) in (1) we have:

1 / Bo + 1 / (Bo-20) = 1/60

Resolving

(Bo - 20 + B0) / (Bo * (Bo-20) = 1/60

120 * Bo - 1200 = Bo ^ 2 - 20Bo

Rearranging:

Bo ^ 2 - 140Bo -1200 = 0

Now applying the general equation

Bo = 130.82 or Bo = 9.17, <em>this last value cannot be because Billy took 20 minutes less and neither can he prune faster than the two together</em>, therefore Bobby only takes around 131 minutes and Billy around 111 minutes

Checking with equation 1:

1/131 +1/111 = ~ 1/60

3 0
3 years ago
Evaluate the function f(x)=tan^-1(x) when x=0. Give your answer in radians.
vichka [17]
The answer is equal to 0.
8 0
3 years ago
Read 2 more answers
Help pls!!
hodyreva [135]

Answer:

C) 33 meters

Step-by-step explanation:

In this question, we need to find the value of the variable "x".

To do this, we must use the Pythagorean theorem: a² + b² = c²

Plug in your values and solve:

56² + b² = 65²

3,136 + b² = 65²

3,136 + b² = 4,225

Subtract 3,136 from both sides.

b² = 1,089

To cancel out the exponent, we would square root both sides.

√b² = √1,089

b = 33

This means that C) 33 meters will be your answer.

3 0
3 years ago
Read 2 more answers
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