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3 years ago

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Mathematics

1 answer:

Whitepunk [10]3 years ago

3 0

Answer:

go on tigermath

Step-by-step explanation:

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Wayne is solving a system of linear equations. y = −34x + 5y = -34x + 5 x = −2x = -2 To solve this system, he graphed the line y

blondinia [14]

Wayne is solving the linear system of equations using the graphical method, but it can also be solved analytically.
We will solve the system of equations analytically to find in which point Wayne will find the solution graphically.
Resolving we have:
y = -34x + 5 (Eq1)
x = -2 (Eq2)
Substituting (Eq2) in (Eq1) we have
y = -34 * (- 2) + 5
y = 73
Therefore the point will be
(x, y) = (- 2,73)
answer
the point will have found the solution of this system of linear equations is (-2,73)

4 0

3 years ago

A child starts a playground swing from standing and doesn't use her legs to keep swinging. On the first

yanalaym [24]

Answer:

The equation is $m(n) = 24(0.75)^{n}$

Step-by-step explanation:

Let the exponential function is $m(n) = a(b)^{n}$ , where m is the angle of the swing forward and n is the number of swings.

Here, a and b are constants.

Now, for n = 1, m = 18 degrees and for n = 2, m = 13.5 degrees.

Therefore, the two equations that we can write are :

$18 = a(b)^{1} = ab$ ............. (1) and

$13.5 = a(b)^{2}$ ................. (2)

Now, solving the above two equations we get,

$\frac{ab^{2} }{ab} = \frac{13.5}{18} = 0.75$

⇒ b = 0.75

So, from equation (1) we get, $a = \frac{18}{0.75} = 24$

Therefore, the equation is $m(n) = 24(0.75)^{n}$ (Answer)

6 0

3 years ago

Can someone help me with this

Anon25 [30]

Answer:

1] x=4.21

2] 52.5

3] 3.82

4] 38.73

5] 32.005

6] 31.21

Step-by-step explanation:

8 0

3 years ago

Bob got 8 presents for his birthday and he opened 1/2 of them. how many did he open?

goldfiish [28.3K]

The answer is 4. Is it right?

4 0

3 years ago

What is the GCF of 21x^3+14x^2+35x

Archy [21]

I like prime factorization for finding the GCF:
$21x^3=3^.7^.x^.x^.x$
$14x^2=2^.7^.x^.x$
$35x=5^.7^.x$

What common things can you pull from each term...It must be the same amount from each?
7x

4 0

4 years ago