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dezoksy [38]
3 years ago
8

What is 12m + 5m^2 + 9m + 2mn

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
4 0

Answer:

46m + 2mn

Step-by-step explanation:

Before we combine these like terms, let us simplify the exponent:

5m² = 5 × 5

5 × 5

= 25m

= 12m + 25m + 9m + 2mn

Now we can combine them. Only the bolded part should be added because the last value contains 'n" after the "m".

12m + 25m + 9m + 2mn

Add:

12m + 25m + 9m

= 37m + 9m

= 46m

46m + 2mn is our answer.

MissTica3 years ago
3 0

Answer:

5m^2 + 21m + 2mn

Step-by-step explanation:

You can add the like terms, which are 12m and 9m, resulting in:

5m^2 + 21m + 2mn

You can't add anything else together so that is the final answer.

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The equation 2(m-8)+3=17 has more than one solution method. Give at least two different "first steps" to solve this equation.
Troyanec [42]
1. you could distribute the 2 which would give you 2m - 16 + 3 = 17
2. You could add the 2 and 3 together and the problem would be 5(m - 8) = 17
4 0
4 years ago
Calculate the length of AC to one decimal place in the trapezium below.
a_sh-v [17]

Answer:

First we will split trapezium on two geometric figure.

One is rectangle and the second is right triangle.

When we subtract 11-4=7cm  we get one cathetus of the right triangle a=7cm also we know hypotenuse which is c=16cm.

We will use Pythagorean theorem to find the second cathetus b

b=√16∧2-7∧2= √256-49= √207 ≈ 14.39cm =DC =>

AC =√(DC)∧2+(AD)∧2= √14.39∧2+11∧2= √207+121= √328= 18.1cm

AC=18.1cm

Good luck!!

7 0
3 years ago
The number of miles Ford trucks can go on one tank of gas is normally distributed with a mean of 350 miles and a standard deviat
kati45 [8]

Answer:

The probability that a randomly chosen Ford truck runs out of gas before it has gone 325 miles is 0.0062.

Step-by-step explanation:

Let <em>X</em> = the number of miles Ford trucks can go on one tank of gas.

The random variable <em>X</em> is normally distributed with mean, <em>μ</em> = 350 miles and standard deviation, <em>σ</em> = 10 miles.

If the Ford truck runs out of gas before it has gone 325 miles it implies that the truck has traveled less than 325 miles.

Compute the value of P (X < 325) as follows:

P(X

Thus, the probability that a randomly chosen Ford truck runs out of gas before it has gone 325 miles is 0.0062.

7 0
4 years ago
a group of 31 friends gets together to play a sport. first people must be divided into teams. each team has to exactly 4 players
azamat
We have the following values:
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they can make about 7 teams.
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4 years ago
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ICE Princess25 [194]
X^2 - 3x + 5
2^2 - 3(2) + 5
4 - 6 + 5
3
3 0
4 years ago
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