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astraxan [27]
3 years ago
11

If p=4 and q=2, evaluate the following expression:30/p+q​

Mathematics
2 answers:
Gelneren [198K]3 years ago
7 0

Answer:

5

Step-by-step explanation:

Given

\frac{30}{p+q} ← substitute p = 4 and q = 2

= \frac{30}{4+2} = \frac{30}{6} = 5

Svet_ta [14]3 years ago
3 0

Answer:

The answer is 9.5

Step-by-step explanation:

We are given p=4, q=2

Then: 30/p+q=30/4+2

First, we evaluate the division: 30/4=7.5

Only then we evaluate the addition: 7.5+2=9.5

Thus, the answer is 9.5

P.S. 'Brainliest' is appreciated :)

You might be interested in
Y=8-2x when x=8 the value of y
Lera25 [3.4K]

Answer:

-8

Step-by-step explanation:

Given that x and y are two variables.  they are related by the function

y =8-2x

Since x and y are related, given one value we can find the other using this equation.

In our question, given that x =8

Substitute x value in the equation

y = 8-2x

y =8-2(8) = -8

Hence answer is -8:


Verify:  We verify by putting -8 for y and check whether x =8

-8=8-2x

Or 2x = 16

x =8

Verified

8 0
3 years ago
Read 2 more answers
What is 120/3 x 19-X/6?
vodka [1.7K]

Answer:

-1/6 x + 760 or 760 - x/6

Step-by-step explanation:

Simplify each term.

120/3 (19) - x/6 = 760 + - 1/6 or 760 + x/6

6 0
3 years ago
Solve 11x + 2 = 68.
lys-0071 [83]
11x+2=68
      -2   -2

11x=66
  /11   /11

X=6
4 0
3 years ago
Read 2 more answers
What is ​ 27/36 ​ as a decimal?<br><br> Enter your answer in the box.
tamaranim1 [39]

Awnser=0.75

You can first reduce this fraction by dividing both the numerator and denominator by the greatest common Factor of 27 and 36 using GFC(27,36)=9.

5 0
3 years ago
Read 2 more answers
In a state lottery 25 balls numbered from 1 to 25 and placed in machine. 6 numbers randomly drawn. And here is the chart what ca
bonufazy [111]

Answer:

win $5,000: P = 0.0006437

win $50: P = 0.6196

Step-by-step explanation:

To win $5,000, we must have a match of 5 numbers.

So from the 6 numbers, we correcly choose 5 numbers and miss 1 number. The probability of matching or not each of the 6 numbers is:

First number: P = 6/25

Second number: P = 5/24

Third number: P = 4/23

Fourth number: P = 3/22

Fifth number: P = 2/21

Sixth number: P = 19/20 (wrong number)

As the 5 correct numbers can be any of the 6, we also have to multiply the probabilities by a combination of 6 choose 5:

c(6,5) = 6!/5! = 6

So the final probability is:

P = 6 * (6/25) * (5/24) * (4/23) * (3/22) * (2/21) * (19/20) = 0.0006437

To find the probability of winning $50, we can do the same steps above, and we need to correcly match 2 numbers, so we have that:

First number: P = 6/25

Second number: P = 5/24

Third number: P = 22/23 (wrong number)

Fourth number: P = 21/22 (wrong number)

Fifth number: P = 20/21 (wrong number)

Sixth number: P = 19/20 (wrong number)

As the 2 correct numbers can be any of the 6, we also have to multiply the probabilities by a combination of 6 choose 2:

c(6,2) = 6!/(4!*2!) = 6*5/2 = 15

So the final probability is:

P = 15 * (6/25) * (5/24) * (22/23) * (21/22) * (20/21) * (19/20) = 0.6196

8 0
3 years ago
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