mr schiffer planted 9 fruit trees in his orchard. of the , 1/3 are grapefruit trees. how many trees are garapefruit trees

Answers

Answer 1

Answer: if 1/3th of the trees are grapefruit trees and he planted 9 trees there is 3 grapefruit trees hoped this help

Answer 2

Answer: the answer is 1/3×9=3
so 3 are grapefruit trees

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Solve the equation: x^2 - 6x = 7 A. x = 7 , 1 B. x = -7 , 1 C. x = 7 , -1
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chef dianapurchased 10 /1half pounds of beefand 5 1half pounds of pork to make meatloaf for her restaunant . on the weekend she used 13 and 2thirds pounds of meat how much does she have left.

Answers

Chef Diana bought (10-1/2 + 5-1/2) = 16 pounds of meat, and used 13-2/3 pounds in the loaf. She has (16 - 13-2/3) = 2-1/3 pounds of meat left ... just right to take home and make a nice meatloaf for her family.

PLSSSSSSSSSSS HEEEEEELP????The mean of a set of normally distributed data is 600 with a standard deviation of 20. What percent of the data is between 580 and 620?

Answers

Answer:

The percentage of the data between 580 and 620 is 68.26 %

Step-by-step explanation:

Given,

Mean, $\mu$ = 600,

Standard deviation, $\sigma$ = 20,

Using the equation,

$z-score=(x-\mu)/(\sigma)$

Z-score for the data 580 = $(580-600)/(20)$

$=(-20)/(20)$

$=-1$

While, the z-score for the data 620 = $(620-600)/(20)$

$=(20)/(20)$

$=1$

Using normal distribution table,

P(580 < z) = 0.1587

Also, P(620 > z) = 0.8413

Hence, the percent of the data is between 580 and 620 = P(620 > z) - P(580 < z)

= 0.8413 - 0.1587

= 0.6826

= 68.26 %

z = (X-Mean)/SD
z1 = (580-600)/20 = - 1
z2 = (620-600)/20 = + 1
According to the Empirical Rule 68-95-99.7
Mean +/- 1*SD covers 68% of the values
Therefore, required percent is 68%
hopes this help :) :D :)

a rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half hour. Which animal is faster, and by how much?

Answers

The fox will run at a faster speed than a rabbit.

What is a unit conversion?

Unit conversion is the process of changing a quantity's measurement between different units, usually using multiplicative conversion factors.

Given that a rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half hour.

Compare the speed of the rabbit and the fox as below,

Rabbit speed,

21 miles ⇒ 1/2 hour

21 x 2 miles ⇒ 1 hour

42 miles ⇒ 1 hour

Fox speed,

35 miles ⇒ 1 hour

The Fox will travel 42 miles in an hour than the rabbit.

Therefore, the fox will run at a faster speed than a rabbit.

To know more about unit conversion follow

brainly.com/question/97386

#SPJ2

35 mph= .58 of a mile per minute
21 miles in 30 minutes= .7 of a mile per minute

if you multiply by 60 to see the distance in the same amount of time:

rabbit: 35 mph
fox: 42

So the fox would run a greater distance in the time given. Hope this helps!

Tara's player for cds the length of the cds are 45 minutes 52 minutes 38 minutes and 47 minutes if it takes her 2 minutes to change each cd how long will it take to play all four cds

Answers

To determine the amount of time she will need to play all the cd's, we add up the time in minutes.
45 minutes + 52 minutes + 38 minutes + 47 minutes
which is equal to 182 minutes. Then, Tara needs to shift from one cd to another for 3 times and this will take her a total of 6 minutes. Thus, the total number of minutes she will need in order to play all four cds is 188 minutes.

What is the sum of the polynomials?(8x²-9x²-4x)+(x²-3y²-7x)A. 7x²-6y²+3x
B. 9x²-6y²+3x
C. 9x²-12y²+3x
D. 9x²-12y²-11x

Answers

Answer:

$\sf D. 9x^2-12y^2-11x$

Step-by-step explanation:

$\sf (8x^2-9y^2-4x)+(x^2-3y^2-7x)$

Distribute the negative sign in the first set of parentheses:

$\sf 8x^2 - 9y^2 - 4x + x^2- 3y^2 - 7x$

Combine the terms that are alike:

$\sf 8x^2 +x^2-9y^2-3y^2-4x -7x$

$\sf 9x^2-12y^2-11x$

Therefore, the sum of the polynomials is:

$\sf D. 9x^2-12y^2-11x$

U can begin by simplifying the terms within each set of parentheses first and then combining like terms.

(8x² - 9x² - 4x) + (x² - 3y² - 7x)

= (-x² - 4x) + (x² - 3y² - 7x)

= -x² + x² - 4x - 7x - 3y²

= -11x - 3y²

Therefore, the sum of the polynomials is -11x - 3y², which is option D.

Consider the equation of the line y=-2x+4 what is the value of y when x=2

Answers

Answer: The value of y is 8

Step-by-step explanation:

Since we know x=2 we can sub in 2 for x in the equation

y=2(2)+4

y=4+4

y=8

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