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2 years ago

Given that x=6 and y= -4 3x + x over y - y^2

Mathematics

1 answer:

soldi70 [24.7K]2 years ago

3 0

Step-by-step explanation:

x=6

y=-4

3x+x / y-y^2

3(6)+6/-4-(-4)^2

24/-20

= -1.2

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A town with a population of 600 is expected to grow at an annual rate of 5%. Write an equation and find the number of years it i

Ray Of Light [21]

Answer:

t = 8.31 years

Step-by-step explanation:

This is compound growth with a growth rate of 5%, initial count of 600 and final count of 900.

The appropriate equation is P = Po (1 + 0.05)^t, where t represents the number of years required for the population to reach P:

900 = 600 (1.05)^t. Let's solve this for t:

Dividing both sides by 600, we get 900/600 = 1.05^5, or

1.5 = 1.05^t.

To solve for t, take the log of both sides:

ln 1.5 = t*ln 1.05, or

t = (ln 1.5) / (ln 1.05)

This evaluates to t = 8.31 years.

7 0

3 years ago

(2ab+9a-4) - (ab+2)

skad [1K]

Answer:

$\boxed{\bold{ab+9a-6}}$

Step-by-step explanation:

Remove parenthesis: (a) = a

$\bold{2ab+9a-4-\left(ab+2\right)}$

$\bold{-\left(ab+2\right): \ -ab-2}$

$\bold{2ab+9a-4-ab-2}$

Simplify $\bold{2ab+9a-4-ab-2}$

$\bold{ab+9a-6}$

Regards,

Mordancy

7 0

3 years ago

Do not understand, need help

wlad13 [49]

Answer:

3√2

Step-by-step explanation:

this is called 45° ~ 45°~ 90° special triangle

the right angles has a length of x while hypotenuse has x√2

since in this triangle the given right sides' length = 3, hypotenuse must be = 3√2

7 0

3 years ago

How do you solve the equation 2x - 125 = 400

dedylja [7]

You add -125 by its opposite which is 125 so 2x(-125+125)=400+125
2x=525
You then divide both sides by 2 and you get
X=262.5

6 0

3 years ago

Read 2 more answers

Simplify 3(5y + 6) - 4.<br> A. 11y + 14<br> B. 11y + 18<br> C. 15y + 14<br> D. 15y + 2

TiliK225 [7]

3(5y + 6) - 4

First, distribute so that it will make the solving easier.
$(3)(5y) + (3)(6) - 4$
Second, since parentheses indicate multiplication, '3 × 5y = 15y'.
$15y + (3)(6) - 4$
Third, multiply '3 × 6' to get '18'.
$15y + 18 - 4$
Fourth, subtract '18 - 4' to get '14'.
$15y + 14$

Answer: C) 15y + 14

5 0

3 years ago

Read 2 more answers