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3 years ago

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Evaluate each expression for g = -7 and h = 3 and match it to its value. 1. g + h 2 2. g - h 46 3. h - g -21 4. gh -4 5. g + h2

10 6. g2 - h -10

2 answers:

Anuta_ua [19.1K]3 years ago

6 0

Answer:

1. -4

2. -10

3. 10

4. -21

5. 2

6. 46

Step-by-step explanation:

Ivanshal [37]3 years ago

3 0

Answer:

1. -4

2. -10

3. 13

4. -21

5. 2

6. 46

Step-by-step explanation:

To evaluate the expression, substitute g= -7 and h = 3. Then simplify using order of operations.

1. $g-h = -7 + 3 = -4$

2. $g-h = -7 - 3 = -10$

3. $h-g = 3 - -7 = 3+10 = 13$

4. $gh = -7(3) = -21$

5. $g+h^2 = -7 + 3^2 = -7+9 = 2$

6. $g^2-h = (-7)^2 -3 = 49 -3 = 46$

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4 0

3 years ago

7 line tshirt company manufactures t-shirts and sells them online.The company has a model where the cost C, in dollars to make x

bonufazy [111]

Answer:

The company must sell at least 2 shirts to break even.

Step-by-step explanation:

Cost:

The cost is given by the following equation:

$C = \frac{40}{30x+20} + 20 = \frac{4x}{3} + 20$

Revenue:

The revenue is given by the following equation:

$R = 15x$

How many t shirts must the company sell to break even?

Breakeven point is when the revenue is the same as the costs. So

$\frac{4x}{3} + 20 = 15x$

$15x - \frac{4x}{3} = 20$

$\frac{45x}{3} - \frac{4x}{3} = 20$

Multiplying everything by 3

$45x - 4x = 60$

$41x = 60$

$x = \frac{60}{41} = 1,...$

Since you cant make a decimal value of shirts

The company must sell at least 2 shirts to break even.

[

7 0

3 years ago

Answer tis please thanks

harkovskaia [24]

Answer:

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Step-by-step explanation:

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1 year ago

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The daily cost of producing x high performance wheels for racing is given by the following function, where no more than 100 whe

algol [13]

Answer:

The production would be 25 wheels,

Lowest average cost is $ 123.75

Step-by-step explanation:

Given cost function,

$C(x) = 0.09x^3 - 4.5x^2 + 180x$

Where,

x = number of wheel,

So, the average cost per wheel,

$A(x) = \frac{C(x)}{x}=\frac{0.09x^3-4.5x^2 + 180x}{x}=0.09x^2 - 4.5x + 180$

Differentiating with respect to x,

$A'(x) = 0.18x - 4.5$

Again differentiating with respect to x,

$A''(x) = 0.18$

For maxima or minima,

$A'(x) = 0$

$0.18x - 4.5 = 0$

$0.18x = 4.5$

$\implies x = \frac{4.5}{0.18}=25$

For x = 25, A''(x) = positive,

i.e. A(x) is maximum at x = 25.

Hence, the production would be 25 wheels for the lowest average cost per wheel.

And, lowest average cost,

A(x) = 0.09(25)² - 4.5(25) + 180 = $ 123.75

5 0

3 years ago

The first table shows the teams with the four best records halfway through the season. The second table shows the full season re

Allisa [31]

Answer:

Step-by-step eThe first table shows the teams with the four best records halfway through the season. The second table shows the full season records for the same four teams. Which team had the best record during the second half of the season?

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Teams Wins Loss Teams Wins Loss

1 26 14 1 59 21

2 27 13 2 27 13

3 25 15 3 25 15

4 24 16 4 24 16

Expert Answer

xplanation:

8 0

3 years ago

Read 2 more answers