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Dafna11 [192]
4 years ago
11

Simplify 3.2-5.1n-3n+5

Mathematics
2 answers:
Shtirlitz [24]4 years ago
5 0
The answer is 
-8.1n+8.2
dimaraw [331]4 years ago
4 0
To do this you have to combine terms that are alike

3.2+5= 8.2
-5.1n-3n= -8.1n

Now you combine the two and get an answer of -8.1n-8.2
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Im not sure how to find the answer to this.
Brut [27]
BGH and GHD make a total of 180
a ratio of 2:3 means there are a total of 2+3=5 portion, 
each portion is 180/5=36
so angle BGH is 36*2=72, and angle GHD is 36*3=108
4 0
4 years ago
Please I need this before 12pm
luda_lava [24]

Answer:

The required formula is:

                                                          {\displaystyle \ a_{n}=a_{1}+(n-1)d}

Step-by-step explanation:

The total number of squares of the the first term = 4

The total number of squares of the the second term = 7

The total number of squares of the the third term = 10

so,

a_1=4

a_2=7

a_3=10

Finding the common difference d

d=a_3-a_2=10-7=3

d=a_2-a_1=7-4=3

As the common difference 'd' is same, it means the sequence is in arithmetic.

So

If the initial term of an arithmetic progression is {\displaystyle a_{1}} and the common difference of successive members is d, then the nth term of the sequence (a_n) is given by:

                         {\displaystyle \ a_{n}=a_{1}+(n-1)d}

Therefore, the required formula is:

                                                          {\displaystyle \ a_{n}=a_{1}+(n-1)d}

3 0
3 years ago
Viola drives 2 kilometers up a hill that makes an angle of 9 with the horizontal. To the nearest tenth of a kilometer, what hori
Elenna [48]


cosine ( CAH) = Adjacent/ hypothenus

cos9 = x/ 2

let x represent the horizontal distance

2 cos 9  = x

x = 2 (0.98768834)

x = 1.975

x = 1.97

therefore the horizontal dstance jade covers is 1.97km

8 0
3 years ago
Read 2 more answers
In parallelogram ABCD, m∠BAC = 40.62°and m∠BCA = 30.96°. What is m∠BAD?
KatRina [158]
The answer is letter a.  m∠BAD = 108.42<span>° 

The solution is as follows:
If </span>m∠BAC = 40.62° and m∠BCA = 30.96°, then
m∠CBA = 180° -  m∠BCA - <span>m∠BAC
</span>m∠CBA = <span>108.42°
</span>
Since m∠BAD = m∠CBA  due to the parallelogram's property, 
<span>m∠BAD</span> = <span>108.42°.</span>
4 0
4 years ago
?????????????????????
MakcuM [25]

Answer:

a. x

b. 35

c. 45

d. y

Explanation:

a. The independent variable is not dictated by any other variable. x is the only variable here that fits that description is x.

b. A coefficient is a constant that multiplies any variable. 35 multiplies x, so it is a coefficient.

c. A constant is a number that cannot change and isn't a coefficient. 45 cannot be changed.

d. The dependent variable is dictated by other variables. y is dictated by x, so it is the dependent variable.

7 0
4 years ago
Read 2 more answers
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