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3 years ago

4) Please help with question. MARKING BRAINLIEST AND 10 POINTS!!!!!!!!!!!!!! :D

Mathematics

1 answer:

baherus [9]3 years ago

5 0

Since we can use direct substitution, we can just plug in x=0 into the equation.

$x^{2} -1$

$=0^{2}-1$

$=-1$

Thus, your answer is the first choice.

Have an awesome day! :)

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How many solutions does this linear system have?<br> Y= -1/2x + 4 x + 2y=-8

kkurt [141]

Answer:

No solutions

Step-by-step explanation:

$y=-\dfrac{1}{2}x+4 \\\\x+2y=-8$

Substitute:

$x+2(-\dfrac{1}{2}x+4)=-8\\\\x-x+8=-8\\\\8=-8$

This system has no solutions.

Hope this helps!

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3 years ago

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Read 2 more answers

Find the x-intercept of 2x+2y=2

Nana76 [90]

Answer:

x-intercept: <u>(1,0)</u>

y-intercept: <u>(0,1)</u>

Step-by-step explanation:

Given: Find the x and y intercepts of 2x + 2y = 2

<h2><u>X-intercept</u></h2>

To solve for a x - intercept we have to substitue 0 in for y and solve for $x$

Lets do it:

2x + 2(0) = 2

2x + 0 = 2

2x = 2

x = 1

Therefore, this means that when y = 0, x = 1 or (1,0)

<h2><u>Y-intercept</u></h2>

To solve for a y - intercept we have to substitue 0 in for x and solve for $y$

Lets do it:

2(0) + 2y = 2

0 + 2y = 2

2y = 2

y = 1

Therefore, this means that when x = 0, y = 1 or (0,1)

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2 years ago

Wyatt uses 3/4 gallon of paint two identical, dog houses. Wyatt has 5 1/2 gallons of paint. Assuming that the dog houses are ide

andrew-mc [135]

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3 years ago

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Gelneren [198K]

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4 years ago