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s2008m [1.1K]
3 years ago
14

Please answer asap no wrong answers pls

Mathematics
1 answer:
il63 [147K]3 years ago
4 0

Hi there!

\large\boxed{\frac{1}{5}, \frac{21}{5}}

In order to set each equation equal to each other, we must have them both equal the same variable.

Rearrange the top equation to make it equal to y:

x - y = -4

Add 4 to both sides and add y to both sides:

x + 4 = y

Now, we can set both equations equal to each other:

x + 4 = 5(x + 1)² - 3

Begin solving by expanding the square binomial:

x + 4 = 5(x² + 2x + 1) - 3

Simplify:

x + 4 = 5x² + 10x + 5 - 3

x + 4 = 5x² + 10x + 2

Bring all terms to one side:

0 = 5x² + 9x - 2

Factor:

0 = (5x - 1)(x + 2)

Set the other factor equal to 0:

5x - 1 = 0

5x = 1

x = 1/5

Plug in this value of x into an original equation:

1/5 - y = -4

1/5 + 4 = y

1/5 + 20/5 = y

y = 21/5

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Maksim231197 [3]

I'm doing 3

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3 0
3 years ago
The sum of w and 54 is equal to s. Let s = 72. Which equation can be used to find the value of w? A. w – 54 = 72 B. w – 72 = 54
Masteriza [31]
W + 54 = s

w + 54 = 72

Answer: C

Hope this helps!! :)


7 0
3 years ago
The interval for this number line is ______.<br><br> A.3<br> B.5<br> C.6<br> D.4
sergejj [24]

Answer:

it is D.4

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3 0
3 years ago
Read 2 more answers
NEED HELP ASAP PLEASE WITH EXPLANATION PLEASE
KonstantinChe [14]

Answer:

(1) 20%

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7 0
3 years ago
Using all or some of the digits 2, 3, 4 and 5, Edward writes
Vesnalui [34]

Using the arrangements formula, considering the given digits, it is found that Edward writes 6 numbers.

<h3>What is the arrangements formula?</h3>

The number of possible arrangements of n elements is given by the factorial of n, that is:

A_n = n!

In this problem, the first digit has to be 5, while the other three are arranged, hence the total number of arrangements is given by:

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More can be learned about the arrangements formula at brainly.com/question/25925367

#SPJ1

5 0
2 years ago
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