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Minchanka [31]
3 years ago
9

Use substitution to solve the problem below algebraically. x = 41 x + 2y = 71

Mathematics
2 answers:
grandymaker [24]3 years ago
7 0

Answer:

41 + 2y = 71

2y = 30

y = 15

Step-by-step explanation:

i believe that is right, if not sorry

jonny [76]3 years ago
7 0

Step-by-step explanation:

41x+2y=71

2y=-41x+71

y=-20.5x+35.5

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a marble is rolled down a ramp. The distance it travels is described by the formula d=490T^2 where d is the distance in centimet
Helga [31]

Answer:

The period when its more than halfway

= 2 < t  ≤ 2.83 seconds   ( to nearest hundredth).

Step-by-step explanation:

When is is halfway down the ramp d = 3920/2 = 1960 cm, so:

1960 = 490 t^2

t^2 = 1960/490 = 4

t = 2 seconds.

When it reaches the bottom d = 3920 :

t^2 = 3920/490 =  8

t = 2.83 seconds.

5 0
4 years ago
Answer the question above on the ixl tab, please.
kramer

Answer:

<h2>The answer is 10</h2>

Step-by-step explanation:

The formula for finding the combination of two given positive numbers is given by

<h3>_{n}C _{r} =  \frac{n!}{(n - r)!r!}</h3>

Where n and r are positive numbers

From the question we have

5 C 3

<u>Simplify</u>

That's

<h3>\binom{5}{3}  =  \frac{5!}{(5 - 3)!3!}  =  \frac{120}{2! \times 3  !}  \\  =  \frac{120}{2 \times 6}  \\  =  \frac{120}{12}</h3>

We have the final answer as

<h3>10</h3>

Hope this helps you

8 0
3 years ago
Need to finish this today ....
lesya692 [45]
The correct answer is A
3 0
3 years ago
Read 2 more answers
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Damm [24]

b...............................................................................

5 0
3 years ago
Write the trinomial as a square of a binomial.<br><br> x²+2xy+y^2
Minchanka [31]
The answer is (x+y)^2
Hope this helps!!

7 0
2 years ago
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