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4 years ago

2. Why is zero unemployment and zero inflation not ideal for the economy?

1 answer:

4 0

The more jobs there are, the more people are paid. If prices don't go up on imports, exports, and everyday items, salaries will go down. Which could eventually cause unemployment.

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Triangle X Y Z is shown. The length of side X Y is (9 n + 12) feet and the length of side X Z is (15 n minus 6) feet. Angles X Y

zmey [24]

Answer:

$n = 3$

$XY = 39$

$XZ = 39$

Step-by-step explanation:

Given

$XY = 9n + 12$

$XZ = 15n - 6$

Solving (a): n

To solve for n;

We make use of

$XY = XZ$

Substitute values for XY and XZ

$9n + 12 = 15n - 6$

$9n - 15n = -12 - 6$

$-6n = -18$

Divide through by -6

$n = 3$

Solving (b) XY

$XY = 9n + 12$

Substitute 3 for n

$XY = 9 * 3 + 12$

$XY = 27 + 12$

$XY = 39$

Solving (c): XZ

$XZ = XY$

$XZ = 39$

7 0

3 years ago

The linear combination method gives a solution of (–4, 2) for which of these systems of linear equations?

Andrew [12]

Answer:

$3x + 13y = 14$

$6x + 11y = -2$

Step-by-step explanation:

See Attachment for complete question

To determine which of the options has (-4,2) as its solution; we have to test each linear combination until we arrive at an answer;

Given that

$(x,y) = (-4,2)$

Testing Option A

$3x + 13y = 14$

$6x + 11y = -2$

Substitute $x = -4$ and $y = 2$ in $3x + 13y = 14$

$3(-4) + 13(2) = 14$

Open Brackets

$-12 + 26 = 14$

$14 = 14$

Substitute $x = -4$ and $y = 2$ in $6x + 11y = -2$

$6(-4) + 11(2) = -2$

Open Brackets

$-24 + 22 = 2$

$2 = 2$

In both cases, the expression on the right hand side equates to that on the left hand side;

Hence, there's no need to check for other options.

8 0

4 years ago

Help with this question, please!

brilliants [131]

Answer: The third choice

Step-by-step explanation:

For the equation of a circle, you would do the opposite signs of the center coordinates and square the radius.

5 0

4 years ago

Find the lines slope and a point on the line.

sesenic [268]

Answer:

The slope is 3/4 and a point on the line is (-5,2)

Step-by-step explanation:

This is given in point slope form

y - y1 = m(x-x1)

where m is the slope and (x1,y1) is a point on the line

y-2 = 3/4(x +5)

y-2 = 3/4(x - -5)

The slope is 3/4 and a point on the line is (-5,2)

7 0

3 years ago

Read 2 more answers

What is the answer to x + 3 = -x - 5

LenaWriter [7]

Answer:

x=-4

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers