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frosja888 [35]
3 years ago
7

How many solutions do the following equations have?

Mathematics
1 answer:
Leni [432]3 years ago
8 0

Answer:

Step-by-step explanation:

15y+12x = 18 is equivalent to 5y+4x = 6

2x+3y = 12 is equivalent to -6y = 4x-24

one solution: (x,y) = (-21,18)

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3. Which situation is best described by the graph shown?
Ainat [17]
The anwser is a because
7 0
3 years ago
Tim is playing a game. His score in round 1 is 1.7 points, in round 2 is 5.1 points, in round 3 is 15.3 points, and it continues
tatiyna

The recursive definition for the geometric sequence is given as follows:

a_n = 3a_{n-1}, a_1 = 1.7

<h3>What is a geometric sequence?</h3>

A geometric sequence is a sequence in which the result of the division of consecutive terms is always the same, called common ratio q.

The nth term of a geometric sequence is given by:

a_n = a_1q^{n-1}

In which a_1 is the first term.

The recursive definition of a geometric sequence is given by:

a_n = qa_{n-1}

In this problem, we have that the first term and the common ratio are given, respectively, by:

a_1 = 1.7, q = \frac{15.3}{5.1} = \frac{5.1}{1.7} = 3.

Hence the recursive definition is given by:

a_n = 3a_{n-1}, a_1 = 1.7

More can be learned about geometric sequences at brainly.com/question/11847927

#SPJ1

4 0
2 years ago
What is the General form of this equation?<br> (x- -1)^2 +(y-1)^2 =225.0
KATRIN_1 [288]
General Form is the most basic form of an equation and is used as a template to form equations designed to solve a specific problem.

The equation given is "<span>(x- -1)^2 +(y-1)^2 =225.0".

The general form of this Equation would be presented as 

</span>·X (+/-) Y = Z
·X^2 (+/-) Y^2 = R1
<span>
-I hope this is the answer you are looking for, feel free to post your questions here on brainly in the future.</span>
4 0
4 years ago
You are planning to invest $500 at 12% compounded annually. How much money would you have after 10 , 20 and 30 years?
Serjik [45]

A=P(1+r)^t

where A=final amount

P=principal

r=rate in decimal form

t=time in years


we are given that P=500, r=12%=0.12

we want to find A when t=10, 20, and 30


so

A=500(1+0.12)^t

A=500(1.12)^t

when t=10, A=500(1.12)^{10}=$1552.92

when t=20, A=500(1.12)^{20}=$4823.15

when t=30, A=500(1.12)^{30}=$14980.96

7 0
4 years ago
Read 2 more answers
Finish the sequence using deductive reasoning. 3,6,12,?,?,?,?
Bad White [126]

Answer:

24,48,96,192

Step-by-step explanation:

3*x =6

Divide by 3

3x/3 =6/2

x=2

We are multiply by 2

Check

6*2 =12

Correct

12*2 =24

24*2 =48

48*2= 96

96*2= 192

7 0
3 years ago
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