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TiliK225 [7]
3 years ago
8

Simplify to create an equivalent expression. −4(−11+4n)−3(−2n+9)

Mathematics
2 answers:
solmaris [256]3 years ago
5 0

-4(-11 + 4n) - 3(-2n + 9) Given

44 - 16n + 6n - 27 Distributive property

17 - 10n Combine like terms

17 - 10n is our final answer. :)

Jlenok [28]3 years ago
4 0

Answer:  The required simplified expression is 17-10n.

Step-by-step explanation:  We are given to simplify and create an equivalent expression from the following expression :

E=-4(-11+4n)-3(-2n+9)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To simplify the given expression, we need to evaluate the brackets first.

The simplification of expression (i) is as follows :

E\\\\=-4(-11+4n)-3(-2n+9)\\\\=44-16n+6n-27\\\\=17-10n.

Thus, the required simplified expression is 17-10n.

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Match the equation with its graph 15x -12y=60
IgorLugansk [536]

Answer:

Check the attached graph for correct match.

Step-by-step explanation:

Graph of the given choices are not given but we can still solve this problem.

Given equation is  15x-12y=60.

Which is linear equation so we need at least two points to get the graph.

We are free to select any random number of x then plug that into given equation to find other variable.

Let's use x=0

15x-12y=60

15*0-12y=60

0-12y=60

-12y=60

divide both sides by -12

y=-5

Hence point is (0,-5)

Similarly plug y=0

15x-12y=60

15x-12*0=60

15x-0=60

15x=60

divide both sides by 15

x=4

Hence point is (4,0)

Now graph both points then join them by a straight line.

Any graph given in the choices which match with attached graph will be the answer.

Check the attached graph for correct match.

6 0
3 years ago
Secθ =__________________<br><br> 1/sinθ<br><br> +-√cos^2 +1<br><br> +-√tan^2 +1
Zielflug [23.3K]

Answer:

The answer is last option

As we know 1 + tan^2 = sec^2

6 0
3 years ago
Read 2 more answers
I’m struggling help please
True [87]

Answer:

Step-by-step explanation:

the slope would be y2-y1/x2-x1

so the distance is y and the time is x so what you are going to do is 30-18 over 5-3 which then means it would be 12/2 which equals 6

8 0
3 years ago
Hey, could someone please help me with this? Thanks.
Novosadov [1.4K]

Answer:

Part A: 1. (1, 0.5) 2. (2, 1) 3. (3, 1.5) 4. (4, 2) 5. (5, 2.5) 6. (6, 3)

Part B: Yes, this relation is in fact a function.

Part C: No, it would not be a function.

Step-by-step explanation:

Part A: Well, you start at 1 hr. right? yes. So then, at the very beginning at the problem, it says the candle burns at the rate of 0.5 in. per hour. So for 1 hour, the candle will burn .5 inches. At 2 hours, it will burn off 1 whole inch.

Part B:  1 hr. = .5 in. burn,  2 hrs. = 1 in. burns,  3 hrs. = 1.5 in. burns,  4 hrs. = 2 in. burns,  5 hrs.= 2.5 in. burns, 6 hrs. = 3  in. burns.

Part C:  1 hr.= .45 in. burn, 2 hrs. = .9 in burn,  3 hrs. = 1.35 in. burns, 4 hrs. = 1.8 in. burns, 5 hrs. = 2.25 in. burns, 6 hrs. = 2.7 in. burns.    It does not go at a constant rate. The number of inches are all over the place.

Hope this helps you out!! (:

4 0
3 years ago
Help please this is for inequality math!! n + 7 &lt; - 3
stealth61 [152]

Answer:

n < -10

Step-by-step explanation:

n+7 < -3

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