A survey of 1250 trees in a small wood showed that 32 percent were oak trees 26 percent were birch trees and the remainder were pine trees how many pine trees were there

Answer:

(x−5y)(9x+8)

Step-by-step explanation:

9x^2−45yx+8x−40y

Do the grouping 9x^2−45yx+8x−40y=(9x^2−45yx)+(8x−40y), and factor out 9x in the first and 8 in the second group.

9x(x−5y)+8(x−5y)

Factor out common term x−5y by using distributive property.

(x−5y)(9x+8)

Answer:

C D and F

Step-by-step explanation:

I checked my answers

Answer:

I am sure it is 25%

Step-by-step explanation:

1750:7000*100 =

(1750*100):7000 =

175000:7000 = 25

Now we have: 1750 is what percent of 7000 = 25

tell me if i am correct or wrong!

Answer:

w = 31

Step-by-step explanation:

Since this is a rhombus

==> GFE + FED = 180

2w + w + 87 = 180

==> w = 31

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Explanation:

The quickest way to get this answer is to add the angles given to get 87+46 = 133

This is through the use of the remote interior angle theorem.

Note how the angles 87 and 46 are interior, or inside the triangle. And also, they are not adjacent to the exterior angle we want to find. So that's where the "remote" portion comes in.

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The slightly longer method involves letting x be the measure of the missing interior angle of the triangle.

The three interior angles add to 180

87+46+x = 180

133+x = 180

x = 180 - 133

x = 47

The missing interior angle of the triangle is 47 degrees.

Angle 1 is adjacent and supplementary to this 47 degree angle, so,

(angle1)+(47) = 180

angle1 = 180-47

angle1 = 133 degrees

This example helps confirm that the remote interior angle theorem is correct.

Answer:

x=4 I'm sorry that I used

Answer:

it depends on where the light source is

Answer:

n=10

Step-by-step explanation:

Because all exterior angles =360

so 360/36=10

hope this helps

Answer:

n=10

Step-by-step explanation:

(10-2)x180 = 1440

1440/10 (the angle of each interior) = 144

180-144 = 36

Step-by-step explanation:

5 360

8 x

5x=360•8

x=576miles

Answer:

17/6

Step-by-step explanation:

if u need a mixed number do it urself

Answer:

Your answer should be $29.40

Step-by-step explanation:

If you divide 21 by 5 you get 4.2, so each book costs $4.20.

4.2 x 7 = 29.4

Therefore, your total cost for 7 books will be $29.40

I hope this helps!

Answer:

wouldn't it be 81 cause the inner triangle is just a mini version of the bigger triangle?

360-81= 279

279÷3= 93 (shorter side)

93+93= 186 (longer side)

360-279= 81

Answer:

According to me the answer should be 'a'

Answer:

you mesuare the apple to see if it greater or less than 3 centimeter  

Step-by-step explanation:

Answer:no because 2 sides of a triangle have to be equal to the other angle or greater than the other angle

Step-by-step explanation:

Answer:

1145

Step-by-step explanation:

830(2) 28/13

​   ^ do that ok??????? plug it in!!!!!!!!

then do u know what u will get? u will get this !!!!!! y = 1145.09631989

round 2 da whole numba and den boom shakalaka B ) i got my question wrong so that i could put the right answer here. bye yall

The number of bacteria doubling every 28 hours will be 1145 after 13 hours.

The formula for exponential growth is y = y₀.e^(kt).

The formula for exponential decay is y = y₀.e^(-kt).

In the case of doubling the growth of bacteria, we can use the formula,

[tex]y_f = y_0\times2^{\frac{t_r}{t}[/tex], where [tex]y_f[/tex] represents the final population, [tex]y_0[/tex] is the initial population, [tex]t_r[/tex] is the time we are required to determine, and [tex]t[/tex] represents the time rate growth.

Therefore from the given information, the number of bacteria after 13 hours will be,

[tex]y_f = 830\times2^{\frac{13}{28}[/tex].

[tex]y_f = 830\times1.38[/tex].

[tex]y_f = 1144.86[/tex] or 1145 bacterias.

Q. In a lab experiment, 830 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 28 hours. How many bacteria would there be after 13 hours, to the nearest whole number?​

learn more about bacteria growth problems here :

https://brainly.com/question/14106525

#SPJ2

Answer:

C. 40 square inches but i could be wrong

Answer:

Katie’s brother is now 31 years old

Step-by-step explanation:

You would add 4 to 27

Answer: 1/4 of a mile

Step-by-step explanation: 1/3 × 3/4

Hey there!

The answer is 6:54

The time on the clock shows 6:20, because the hour hand is after the 6, and the minute hand is on the 4 (which we multiply by 5 to get the minutes).

If it takes her 8 minutes to walk to the bus, 10 to pack lunch, and 16 to get dressed, that's a total of 8 + 10 + 16 minutes, or 34 minutes.

So, we add that to the minutes, so 20 + 34 = 54, therefore the time is 6:54 when she arrives.

Have a terrificly amazing day! :)

Answer:

Yanice should get up at 5:43 to be on time for the bus.

The football players get ready to go to class at 8:17 A.M.

Gymnastics is 50 minutes longer than the piano lessons.

Hope this helps ;)

Answer:

I can automatically eliminate B and D because those values are two high. My guess is C 6.2.

Step-by-step explanation:

Answer:£500

Step-by-step explanation: 600 ÷ 1.05

Answer:

£500

Step-by-step explanation:

Answer: 1 1/3

Step-by-step explanation: slope is the difference in y values over the difference in the c values

Answer:

[tex] m = \frac{14 - 2}{19 - 10} \\ \frac{12}{9} \\ m = \frac{4}{3} [/tex]

the slop is equal to 4/3

Answer:

464 ft

Step-by-step explanation:

How to find out volume:

Length x Width x Height

= Volume

--

8 x 4 x 14.5 = 464 ft