MATHEMATICS HIGH SCHOOL

The value of p in 18+6p=90 is???

Answers

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer:

Answer:

$p=12$

Step-by-step explanation:

$18+6p=90\:$

$18+6p-18=90-18$

$6p=72$

$\cfrac{6p}{6}=\cfrac{72}{6}$

$p=12$

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Pls help with this for 30points
Write the standard form of the equation of the hyperbola 4x2 − 9y2 − 16x − 36y − 56 = 0.
Find the value of f(x) = -3x^3 + 2x^2 for f(-1)
WHAT IS THE VALUE OF ANGLE N?

A population of endangered birds decreases by 3% each year.a. If the current population is 30,000 birds, write an equation that represents the number of birds, N, in terms of the number of years, T, from the present.

b. Approximately what will the bird population be after twenty years? Round your answer to the nearest thousand.

Answers

Since the number of bird decreases 3% per year then for year 1 there will be 29 100 birds left. This value is 97% of 30000. From this the number of birds for year 1 is N = 30000(1-0.03)

A. N = 30,000 $(1-0.03)^(2)$

B. To solve this we use the equation we established in letter A. We get the answer by substituting T with 20. N = 16,000.

Answer: a) The required equation is,

$N=30000(0.97)^T$

b) The approximately population of the birds after 20 years is 16314.

Step-by-step explanation:

a) Since, the initial population, P = 30,000

The rate of increasing, r = 3% per year,

Hence, the population of birds after T years,

$N=P(1-(r)/(100))^T$

$\implies N = 30000(1-(3)/(100))^T$

$\implies N = 30000(1-0.03)^T$

$\implies N=30000(0.97)^T$

Which is the required equation.

b) Now, for T = 20 years,

The population of birds,

$N(20)=30000(0.97)^(20)=30000* 0.543794342927=16313.8302878\approx 16314$

⇒ The approximately population of the birds after 20 years is 54183.

Find the distance between the two points in simplest radical form.
(4,3) and (−2,0)

Answers

Answer:

Step-by-step explanation:

The simplest radical form would be the 3 square root 5. Since the answer would be the square root of 45, the simplest radical would be 3 square root 5

Round 97.081 to the nearest tenth.

A : 97
B : 97.1
C : 97.8
D : 97.08

Answers

B 97.1
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Answer:

Step-by-step explanation:

What is the sum of (x^2+6x-5) + (2x^2+15)

Answers

Answer:

3x^2 + 6x + 10

Step-by-step explanation:

Because we're adding it, it doesn't matter if we just take out the parenthesis.

X^2 + 2x^2 gives us 3x^2.

6x stays the same.

-5 + 15 gives us 10.

3x^2 + 6x + 10

Circle the division problem that does not belong with the other three. Explain.Write one that does belong 621/6 384/3 719/7 514/5

Answers

Answer:

384/3

Step-by-step explanation:

^^Is the only one that equals a whole number the rest have decimals

Can someone explain and answer this for me??

Answers

The mistake is in line 2, the parenthesis means multiplication therefore it has to be 3x

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