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3 years ago

Help??? I Don’t Understand

Mathematics

1 answer:

Andrews [41]3 years ago

5 0

The correct answer is line TX and line QX are perpendicular.

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An animal reserve has 40000 elk if the population is increasing at a rate of 19% per year how long will it take for the populati

vekshin1

Answer:

Step-by-step explanation:

This is of the form

$P(t)=a(b)^t$

Where P(t) is the ending population, a is the original population, b is the growth rate, and t is time in years. We have everything we need to solve for t.

$80000=40000(1.19)^t$

Let me explain the growth rate quickly. If the exponential function is a growth function, that means (in this particular situation) that we have 100% of the population and we are increasing it by 19%. That makes the growth rate 119%, which in decimal form is 1.19.

Begin by dividing both sides by 40000 to get

$2=(1.19)^t$

To get that t out of its current exponential position, take the natural log of both sides:

$ln(2)=ln(1.19)^t$

and the rules of logs say we can bring the exponent down out front:

ln(2) = t*ln(1.19)

Divide both sides by ln(1.19) to get t alone:

$\frac{ln(2)}{ln(1.19)}=t$

Doing that calculation on your calculator gives you that

t = 3.9846...

but rounding to the nearest tenth gives you that

t = 4.0 years

3 0

3 years ago

1 Point

Ivahew [28]

Answer:

The answer is D

Step-by-step explanation:

You can find it by expanding the equation in the form of y = mx + b :

y - 4 = 3(x + 1)

y - 4 = 3x + 3

y = 3x + 3 + 4

y = 3x + 7

Then, looking at the equation "b" is a y-intercept. The line that touch/passes through y-axis is called y-intercept. From the equation, we know that 7 is the y-intercept.

By looking at the diagram, only Graph D is suitable for this equation because the line has touches 7 at y-axis.

5 0

2 years ago

a ladder is leaning against a wall. The ladder reaches 6 ft high on the wall and the base from the ladder is 2 ft from the wall

Katyanochek1 [597]

Ok the ladder and the ground will make a right triangle/right angle. This is because the ground is flat, the wall is straight and only the ladder is leaning/slanted. I hope this helps.

8 0

3 years ago

Read 2 more answers

How many 3/4 cup servings are in 12 cups of cherries?

AveGali [126]

Answer:

16 serving.

Step-by-step explanation:

Given: 3/4 cup servings.

Now, computing the number of serving in 12 cups of cherries.

Using unitary method to solve.

∴ Number of serving= $total\ cups \times number\ of\ serving\ per\ cup$