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3 years ago

Help does someone know the answer? I NEED IT NOW PLEASE

Mathematics

1 answer:

Naily [24]3 years ago

6 0

Answer:

$y = 3$ or $y =-3$

Step-by-step explanation:

Given

x = midpoint of -5 and 11

y = absolute value of x

Required

Determine the value of y

First, calculate x.

$x = \frac{1}{2}(-5 + 11)$

$x = \frac{1}{2}(6)$

$x = 3$

y can then be represented as:

$|y| = x$

$|y| = 3$

Split:

$y = 3$ or $-y = 3$

$y = 3$ or $y =-3$

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Multiply: (x – 4)(x + 5)

denpristay [2]

Answer:

D. x2 + x - 20.

Step-by-step explanation:

(x – 4)(x + 5).

= x(x + 5) -4(x + 5).

= x2 + 5x – 4x – 20.

= x2 + x - 20.

3 0

4 years ago

Helpppppppppppppppppp!

julia-pushkina [17]

Remember that the radicand (the area under the root sign) must be positive or zero for a radical with an even index (like the square root or fourth root, for example). This is because two numbers squared or to the fourth power, etc. cannot be negative, so there are no real solutions when the radicand is negative. We must restrict the domain of the square-root function.

If the domain has already been restricted to $x \geq -11$ , we can work backwards to add 11 to both sides. We see that $x+11$ must be under the radicand, so the answer is A.

7 0

3 years ago

Ishaan and his friends have 40$ to spend at a restaurant.

Paul [167]

The number of salads Ishaan and his friends can afford is 6 salads.

<h3>What are Word Problems?</h3>

Word Problems in mathematics involve crucial understanding and the use of variables and arithmetic operations to solve real-life cases.

From the given information;