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Reptile [31]
3 years ago
12

Once again assistance is needed. Help!!!!

Mathematics
2 answers:
tatiyna3 years ago
8 0

Answer:

D

Step-by-step explanation:

hope this helps

snow_lady [41]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Given

f(x) = \frac{(x+2)(x-1)}{(x-3)(x+2)} ← cancel (x + 2) on the numerator/ denominator

This creates a discontinuity ( a hole ) at x = - 2

f(x) = \frac{x-1}{x-3}

The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.

x - 3 = 0 ⇒ x = 3 ← excluded value

Thus domain is { x | x ≠ - 2, 3 } → D

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Mrs.simpson's class has 10 girls and 15 boys.What is the ratio of girls to boys​
sladkih [1.3K]

Answer:

10:15

Step-by-step explanation:

it wants to know the ratio of girls to boys so it would be 10:15

There's your answer and brainliest please!

8 0
3 years ago
Leon has 4 times as much money as Andrew, and Bryanna has $250 more than Leon. If Bryanna has $300, how much does Andrew have? L
erik [133]

Answer:

$12.5

Step-by-step explanation:

Bryanna has : $300

Since she has $250 more than Leon.

To get the amount that Leon has, Subtract $250 from $300. $300-$250=$50

So Leon has : $50

Leon has 4 times as much money as Andrew

To get the amount that Andrew has, Divide $50 by 4. $50÷4=$12.5

8 0
3 years ago
What are the answers for these 2?
navik [9.2K]

Answer:

12/5=x and -3=n

Step-by-step explanation:

11) x-10-3x-4=7x-5

2x-14=7x-2

-12=5x

12/5=x

12)-6n-20=-2n+4-12n

-6n-20= -14n +4

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5 0
3 years ago
Use SOHCAHTOA to find the side measure. Show work. Round to one decimal place.
pashok25 [27]

Using trigonometric ratios, the measure of side n to one decimal is 6.6 units.

<h3>How to solve for a side using trigonometric ratios?</h3>

Using the trigonometric principle

SOHCAHTOA,

cos 20 = adjacent / hypotenuse

adjacent side = n

hypotenuse side = 7

Therefore,

cos 20° = n / 7

cross multiply

n = 7 cos 20°

n = 7 × 0.93969262078

n = 6.5778483455

n = 6.6 units

learn more on trigonometric ratios here:brainly.com/question/23506098

#SPJ1

3 0
2 years ago
Factories x³ + 4x<br>(with the steps)​
Mama L [17]

Answer:

x(x^2+4)

Step-by-step explanation:

See image below:)

5 0
3 years ago
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