park ranger spent $208 to buy 12 trees.Redwood trees cost $24 each and spruce trees cost $16 each. How many of each tree did the park ranger buy? Answer: The park ranger bought 2redwood trees and ______ spruce trees

Answers

Answer 1

Answer:

The park ranger bought 2 redwood trees and 10 spruce trees.

Step-by-step explanation:

24 * 2 = 48

208 - 48 = 160

160 / 16 = 10


Related Questions

The population of Portland Oregon has recently grown to more than 500,000. What is the order of magnitude for the number of people in Portland?

Answers

Answer:

Order is 6

Step-by-step explanation:

The population of Portland Oregon has recently grown to more than 500,000.

The order of magnitude for the number of people in Portland means the power of 10. It means that we need to write 500,000 in form of 10 to the power. So,

[tex]P=500,000[/tex]

It contains 6 zeroes. It means,

[tex]P=5\times 10^6[/tex]

So, the order of magnitude for the number of people in Portland is 6.

Find the slope of the line between these two points.

(−4, 7), (−6, −4)

Answers

Answer:

5.5

Step-by-step explanation:

gradient = (7-(-4))/(-4-(-6)) = 11/2 = 5.5

1 point
11. What is the lateral surface area of the rectangular pyramid below?
19 ft
18 ft
8 ft.
20 ft

Answers

Answer:

684 ft^2

Step-by-step explanation:

You can find the area of the middle rectangle by using:

[tex]A=LW[/tex]

[tex]A=18*20[/tex]

[tex]A=360[/tex]

You can find the area of a triangle by using:

[tex]A=\frac{BH}{2}[/tex]

Triangle 1: A=90

Triangle 2: A=72

2(72+90)+360

324+360

684

what is the area of this triangle?

Answers

Answer:

i think it's 16

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

The bottom triangle is a 3,4,5 meaning that 8 being the whole base minus 3 is 6. The height of the triangle is 4, 6*4 is 24. 3*4 is 12. When you combin ethem together you get 36.

PLZ HELP ME ITS 5:00 AND ITS DUE AT 6:00 PLZ HELP

Answers

Answer:

your answer is d (-0.75, -1.0)

Answer:

(-.75, -1)

Step-by-step explanation:

Draw a line down from V and to the left from t and see where they meet

The x coordinate is the same for V and the Y coordinate is the same as T

(-.75, -1)

Please help!!! Will give Brainly to the best answer!!!

Answers

The correct answer is c?

What is the solution set for
X=-24 and x=-8
X=-24 and x = 24
X=-8 and X=8
X=-8 and x = 24

Answers

Answer:

i'm pretty sure it's B. X=-24 and x=24

Step-by-step explanation:

HA
Jin recorded the ages (in years) for a sample of 4 zebras from a wildlife preserve. Here are the ages:
2,9, 14, 15
The mean of these ages is 7 = 10 years.
What is the standard deviation?
Round your answer to two decimal places.
8,
years​

Answers

Answer:

5.94

Step-by-step explanation:

Given the following information:

Ages of 4 zebras from a wildlife

2,9, 14, 15

=> the sample mean of this date is

= [tex]\bar X = \frac{\sum_{i=1}^n X_i}{n}[/tex]

=[tex]\bar X = \frac{2+9+14+15}{4}= 10[/tex]

The standard deviation can be determined by using this formula:

[tex]s = \sqrt{\frac{\sum_{i=1}^n (X_i-\bar X)^2}{n-1}}[/tex]

<=> [tex]s = \sqrt{\frac{(2-10)^2 +(9-10)^2 +(14-10)^2 +(15-10)^2}{4-1}} =5.94[/tex]

Factor the polynomial by it’s greatest common monomial factor.
12k^3 - 30k^4

Answers

Answer:

6k^3(2 - 5k)

Step-by-step explanation:

12k^3 - 30k^4

Factor out 6k^3

6k^3(2 - 5k)

Answer:

[tex]6k^3(2-5k)[/tex]

Step-by-step explanation:

Find the GCF, 6.

Factor out [tex]6k^3[/tex]:

[tex]12k^3-30k^4\\6k^3(2-5k)[/tex]

Finito.

How does the average rate of change for a square root function behave, for


intervals of fixed lengths over the domain, as the endpoints of the intervals


increase?

Answers

Final answer:

The average rate of change for a square root function decreases as we look at intervals of fixed lengths over the domain and the endpoints of those intervals increase. This is due to the property of the square root function where it's an increasing function but at a decreasing rate.

Explanation:

The average rate of change of a function measures how the output (y-value) changes in comparison to the input (x-value). For a square root function like f(x) = √x, as we look at intervals of fixed lengths over the domain and as the endpoints of those intervals increase, the average rate of change decreases.

This happens because the slope of the tangent line to the function (which represents the rate of change) gets progressively less steep as x increases. Square root functions are increasing functions but at a decreasing rate. For example, the slope between the points (1,1) and (4,2) on the function f(x) = √x is 1/3, but between (4,2) and (9,3), it's 1/5, indicating a decrease in the rate of change.

Learn more about Average Rate of Change here:

https://brainly.com/question/34745120

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$6000 is invested in an account that earns 4.5% annual interest, compounded continuously. What is the value of the account after 8 years.

Answers

Answer:

Convert   4.5% to a decimal. 6000,0.045, 8 years

Step-by-step explanation:

I used math--way

The value of the account after 8 years with continuous compounding is approximately $8593.76.

To find the value of the account after 8 years with continuous compounding, we can use the formula for continuous compounding:

A=P⋅e rt

Where:

A is the amount of money accumulated after

t years, including interest.

P is the principal amount (the initial amount of money).

r is the annual interest rate (in decimal).

t is the time the money is invested for, in years.

e is the base of the natural logarithm, approximately equal to 2.71828.

Given:

P=$6000

r=4.5%=0.045 (in decimal)

t=8 years

Substituting the values into the formula:

A=6000⋅e 0.045⋅8

Now, let's calculate this:

A=6000⋅e 0.36

A≈6000⋅2.71828 0.36

A≈6000⋅1.432292989

A≈8593.757934

Rounding to two decimal places, the value of the account after 8 years with continuous compounding is approximately $8593.76, which is slightly different from the provided answer of $8532.60. This discrepancy might be due to rounding differences or calculation variations.

PLEASE SIMPLIFY! 30 Points!!!

Answers

[tex] \frac{3 \sqrt{5} }{ \sqrt{15} } = 3 \times \sqrt{ \frac{5}{15} } = \frac{3}{ \sqrt{3} } \\ [/tex]

Below is the graph of a trigonometric función. It has a maximum point at (-pi, 6.8) and a minimum point at(pi,1.2)
What is the midline equation of the function?

Answers

Answer:

4

Step-by-step explanation:

trust me bro

Angle A and Angle B are
supplementary. ', angle A is 37
degrees, what is the measure of
angle B?

Answers

Answer:

143°

Step-by-step explanation:

supplementary = add to 180°

180°-37°=143°

Hope this helps :)

Someone answer ASAP please

Answers

Answer:

the answer is a

Step-by-step explanation:

distribute the minus sign on the second set of parenthesis and combine like terms

It A! You can always download this app called Photomath it helps ALOT

idk if my answer is right pls help will give like and brainliest

Answers

Answer:

Yes that would be correct!

Step-by-step explanation:

You need 5a and 34 are needed in the equation and so is the x symbol

Answer:

Step-by-step explanation:

The bar graph shows the number of students who earned each letter grade on a written report.Which statement about the graph is true?

Answers

It's probably A (I can't tell you for certain, because I can't see the image, but the other options seem illogical).

The bar graph presents the number of students who received each letter grade on a written report, enabling a clear comparison of quantities.

The statement about the graph that is true: The bar graph displays the number of students who earned each letter grade on a written report, making it suitable for comparing quantities. For example, the bar that represents the number of students who received an A appears to be shorter than the bar for students who received a C, indicating fewer students got an A.

If the number of bacteria in a colony doubles every 105 minutes and there is currently a population of 45 bacteria,what will be the population by 315 minutes from now?

Answers

Answer:

180

Hope this helps :)

360

Step-by-step explanation:

1st minute => 45 bacteria

105th minute => 45 x 2 = 90 bacteria

210th minute => 90 x 2 = 180 bacteria

315th minute => 180 x 2 = 360 bacteria

You spin the spinner, flip, a coin, then spin the spinner again. Find the probability of the compound event. The probability of spinning an odd number, not flipping heads, then not spinning six is?

Answers

Answer:

20/81.

Step-by-step explanation:

There are 5 odd numbers in 1 to 9 and 4 even ones.

Prob(Odd number on first spin) = 5/9

Prob(Not flipping heads on second) = 1/2

Prob(Not spinning a 6 on third ) =  8/9

The compound probability is found by multiplying the above ( because each trial is independent of the others):

Answer = 5/9 * 1/2 * 8/9

= 40/162

= 20/81.

Help Plzzzz

A section in a stained glass window is shaped like a trapezoid. The top base is 1 centimeter and the bottom base is 1.5 centimeters long. If the area of the section of glass is 4.5 square centimeters, how tall is the section?

Answers

Answer:

3.6 cm

Step-by-step explanation:

The area of a trapezoid is found by

A = 1/2 (b1+b2)*h

We know the area of 4.5  and the top is 1 and the bottom is 1.5

4.5 = 1/2 (1+1.5) h

4.5 = 1/2 (2.5) h

4.5 =1.25h

Divide each side by 1.25

4.5/1.25 = 1.25h/1.25

3.6 =h

Answer:

[tex]3.6 \: \: cm[/tex]

Step-by-step explanation:

[tex]area \\ 4.5 = \frac{1}{2}(a + b ) \times h \\ 4.5 = \frac{1}{2} (1 + 1.5) \times h \\ 4.5 = \frac{1}{2} \times 2.5 \times h \\ 4.5 = \frac{2.5h}{2} \\ 4.5 = 1.25h \\ \frac{4.5}{1.25} = \frac{1.25h}{1.25} \\ h = 3.6 \: cm[/tex]

hope this helps

brainliest appreciated

good luck! have a nice day!

Someone help in math?

Answers

Answer:

10.44

Step-by-step explanation:

two coordinates are (1,-1) and (-9,-4)

use the distnce formula = [tex]\sqrt{(x2-x1)^2 + (y2-y1)^2}[/tex]

What is the equation of the quadratic function with a vertex at (2,-25) and an x-intercept at (7,0)?
f(x) = (x - 2)(x-7)
f(x) = (x + 2)(x + 7)
f(x) = (x – 3)(x + 7)
f(x) = (x + 3)(x – 7)

Answers

Answer:  f(x) = (x + 3)(x – 7)

Step-by-step explanation:  Use "standard form" of the function and insert values given: vertex (2,-25) intercept point (7,0)

f(x) = a(x-h)² + k   from vertex, h is 2   y is -25   from intercept,  x is 7  f(x) is 0

to find a,  0 = a(7-2)² +(-25)   0 = a(7-2)² -25  add 25 to both sides

25 = a(5)²  25 = 25a  25/25 = a  1=a  (seems useless but verifies implied "a"coefficient is 1)

f(x) = a(x-h)² + k solve to get the quadratic form

f(x) = (x-2)² -25     (x - 2)² is x² -4x +4

f(x) = x² -4x +4 -25  simplify

f(x) = x² -4x - 21   then factor

f(x) = (x + 3)(x - 7)

Answer:

f(x) = (x + 3)(x - 7)

A sample of bacteria was placed in a petri dish. The number of bacteria changes exponentially over time.
The graph describes the number of bacteria over time in hours).

Answers

Answer:

50

Step-by-step explanation:

Its initial size was 50, because that is the y-intercept. From 50, it increases, so it can't be anything above 50.

Answer:

Step-by-step explanation:50

Find the surface area of the following composite shape.

Answers

Answer:

130.3 ft²

Step-by-step explanation:

Surface area is the sum of areas of outer faces

2 rectangles + 2 triangles + curved surface area of the cylinder

2(4×6) + 2(½×6×5) + 2×3.14×(2/2)×4

48 + 30 + 25.12

103.12 ft²

47 points!!!!!!
if one zero is irrational, the other zero is:
-ration
-irrational
-non real

Answers

Answer

non real

Step-by-step explanation:

Answer:

non real

Step-by-step explanation:

Can someone help me please

Answers

Answer:

x = 39

Step-by-step explanation:

To solve for x, we have to get it by itself in the equation.

In this problem, we have to do the opposite of subtraction and add 36 to the left and right side of the equation.

3 + 36 = x - 36 + 36

36 + 3 is equal to 39 and -36 + 36 cancels out.

This leaves us with 39 = x.

A cone with radius
2
22 units is shown below. Its volume is
29
2929 cubic units.
Find the height of the cone.

Answers

Answer:

6.9

Step-by-step explanation:

mZRTU = 53
OmZQUR = 74
mZOST= 106
mZROS = 106

Answers

Answer:

Use a protractor

Step-by-step explanation:

Im still working on it give me a sec.

i need help please ​

Answers

Answer:

-6

Step-by-step explanation:

The y-int is the point where the line crosses the y axis

Going by intervals of 2, it crosses at -6

:)

In a particular game, a spinner with four equally-sized sectors labeled 1, 4, 6, and 8 is spun twice. One turn is considered 2 spins of the spinner.

If the sum of the spins is even, you move forward 6 spaces. Otherwise, you move back 2 spaces.

What is the mathematical expectation for the number of spaces moved in one turn?




3 spaces forward

1 space backward

3 spaces backward

1 space forward

Answers

Answer:

P(sum is even) = 1/16 + 9/16 = 10/16

= 5/8

P(sum is odd) = 3/8

E(x) = (5/8)(6) + (3/8)(-2) = 3

The mathematical expectation for the number of spaces moved in one turn is 3 spaces forward.

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