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sdas [7]
2 years ago
12

Evaluate the expression when m=3 and n=44. 1. n-6m

Mathematics
2 answers:
seraphim [82]2 years ago
8 0

Answer: 35

Step-by-step explanation: PEMDAS n-6(3)

44-9

shepuryov [24]2 years ago
8 0

Answer:

26

Step-by-step explanation:

You just put it in, n- (6*m) 6m which is also equal to 44 - 6*3 = 44-18 = 26

I hope this helps!

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39. You need to rent a car for a trip. Wrecko'mend charges $. 10 a mile plus a $30 flat fee. Rent a Wreck
Wewaii [24]

i think this is a systems of equations

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y = 10x + 30

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5 0
3 years ago
to advertise o radio,the radio station charges 32naira for the first 10 words and 2naira per word for every additional word.how
o-na [289]

Answer:

Cost for 68 words = 148 naira

Step-by-step explanation:

Given that:

Cost of first ten words = 32 naira

Cost of additional words = 2 naira per word

Let,

x be the number of additional words.

y be the total cost

y = 2x + 32

We have to find the cost for 68 words.

The cost of first 10 words will be 32 naira.

Additional words = 68 - 10 = 58 words

Putting x = 58 in the equation

y = 2(58) + 32

y = 116 + 32

y = 148

Hence,

Cost for 68 words = 148 naira

6 0
2 years ago
A coin was flipped 150 times. The results of the experiment are shown in the following table:
Zolol [24]

Answer:

A it is 10% higher than the theoretical probability

Step-by-step explanation:

6 0
3 years ago
While exercising Julie found that her. Heart was beating 12times every 5 seconds how many times was it beating per min
Vika [28.1K]
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7 0
3 years ago
Read 2 more answers
Solve the equation 5x-2x^2+1
Pani-rosa [81]

Answer:

Step-by-step explanation:

If you call "5x-2x^2+1" an "equation," then you must equate 5x-2x^2+1 to 0:

5x-2x^2+1 = 0

This is a quadratic equation.  Rearranging the terms in descending order by powers of x, we get:

-2x^2 + 5x + 1 = 0.  Here the coefficients are a = -2, b = 5 and c = 1.

Use the quadratic formula to solve for x:

First find the discriminant, b^2 - 4ac:  25 - 4(-2)(1) = 25 + 8 = 33

Because the discriminant is positive, the roots of this quadratic are real and unequal.

                                                             -b ± √(discriminant)

Applying the quadratic formula   x = --------------------------------

                                                                         2a

we get:

      -5 ± √33           -5 + √33

x = ----------------- = --------------------- and

           2(-2)                     -4

                                  -5 - √33

                                 ---------------

                                         -4

5 0
3 years ago
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