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natta225 [31]
1 year ago
11

M³×n=189 Find m and n

Mathematics
1 answer:
Flura [38]1 year ago
3 0

Answer:

m=3, n = 7

Step-by-step explanation:

Assuming m and n are integers, the following are the possible values of m and n

Let m = 1, then m³ = 1 and n= 189

If m = 2 we get 8n = 189 and 189/8 is not an integer so m ≠ 2

If m = 3, we get 27n = 189 and n = 189/27 = 7

Any higher integer values of m will not result in n being an integer and I am assuming m > 1 so the correct answer is m=3, n = 7

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Aiden bought some noteboks and book covers for the upcoming school year.He bought a total of 13 items.Each notebook costs $1.37,
NARA [144]
Answer: Aiden bought 8 notebooks and 5 covers.

This is a system of equations problem. To solve this, we have to write 2 different equations and then solve them.

Our equations are:

x + y = 13
1.37x + 1.08y = 16.36

Where x is the number of notebooks and y is the number of covers.

To solve these equations, you can use anyone of these methods:
1) Graphing
2) Substitution
3) Elimination

The easiest way would be to graph them with a graphing calculator and find the point of intersection.
7 0
3 years ago
The cost to produce a product is modeled by the function f(x) = 5x^2 − 70x + 258, where x is the number of products produced. Co
Advocard [28]

The minimum of a quadratic function, with a positive coefficient a, is its vertex.

Let's find the x₀ coordinate.

f(x) = 5x^2 -70x + 258\\\\x_0=\dfrac{-b}{2a}=\frac{-(-70)}{2*5}  =\frac{70}{10} =7

Now we need to find y₀ coordinate. That will be the minimum of function.

y_0=5\times7^2-70\times7+258=13

So, the minimum cost to produce the product is $13

Decompose 5x^2 − 70x + 258 into multipliers

5x^2 - 70x + 258=(5x^2-70x+245)+13=5(x^2-14+49)+13=\\=5(x-7)^2+13

Answer: 5(x − 7)^2 + 13; The minimum cost to produce the product is $13.

4 0
3 years ago
PLEASSEEE HELPPPP ME EITH THIS!!
Hunter-Best [27]

Answer:

PQ = 98.21

Step-by-step explanation:

PQ/23 = 47/11

PQ × 11

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11PQ/11 = 1081/11

PQ = 98.21

7 0
2 years ago
2.6 less than the product of 4 and a number z
Alexandra [31]
I think The answer is B
3 0
3 years ago
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IgorLugansk [536]

Answer:

The circumference is about 19 centimeters.

Step-by-step explanation:

The formula for finding the circumference of a circle is 2\pi r or simply \pi d.

Now input the values into the formula, keeping in mind that pi is almost 3.14.

\pi *6=18.84

Answer ≈ 19 cm

Hope this helps; have a great day!

5 0
3 years ago
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