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luda_lava [24]
3 years ago
5

Unit 3 parallel and perpendicular lines test final. help

Mathematics
1 answer:
laila [671]3 years ago
5 0
I’ll help, but what are the questions
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Find the inverse. Restrict the domain as necessary.
trasher [3.6K]
The restrictions would be possible x values that could make the function equal 0.
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Zak has some water in a jug.
Alisiya [41]

Answer:

what?

Step-by-step explanation:

4 0
3 years ago
Factor 8x3 − 343.
Sunny_sXe [5.5K]

Answer:

A) (2x − 7) (4x² + 14x + 49)

C) (3x + 5) (9x² − 15x + 25)

Step-by-step explanation:

Sums and differences of cubes factor as:

a³ + b³ = (a + b) (a² − ab + b²)

a³ − b³ = (a − b) (a² + ab + b²)

8x³ − 343 is a difference of cubes.

(2x)³ − 7³

(2x − 7) (4x² + 14x + 49)

27x³ + 125 is a sum of cubes.

(3x)³ + 5³

(3x + 5) (9x² − 15x + 25)

6 0
3 years ago
African Americans in a St. Louis suburb sued the city claiming they were discriminated against in schoolteacher hiring. Of the c
Serjik [45]

Answer:

Yes, they are being underrepresented.

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Algebraic Equations.

The Population of African Americans in St. Louis suburbs 5.7% . Therefore we can assume that the school system should have about 5.7% of their teachers being African Americans. Since we are given the amount of total teachers and the amount of African American teachers in the school, we can calculate the percent of African American teachers by using a simple Rule of Three property (demonstrated in the picture below).

405 Total teachers   ⇒   100%

15 African American   ⇒   x

\frac{15*100}{405} = x

3.7% = x

We can see that approximately 3.7% of the School Teachers are African Americans, So we can say they are being underrepresented.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

8 0
3 years ago
$8.25 for 1 1/2 pounds of coffee beans = $ per
AnnZ [28]

Answer:

$5.50 per pound

Step-by-step explanation:

8.25 / 1 1/2

5.50 per pound

Hope this Helps!!!

3 0
3 years ago
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