Mathematics Middle School

20 POINTS!!!!!!!!!!!!!!!!!!!! PLS HELP!!!!!!!!!!!!!!!
Rochelle is taking soil samples. For each of the samples she takes, she will use 0.2 of the sample for testing. Match the sample sizes to the amounts that will be used for testing.

20 POINTS!!!!!!!!!!!!!!!!!!!! PLS HELP!!!!!!!!!!!!!!!Rochelle Is Taking Soil Samples. For Each Of The

Answers

Answer 1

Answer:

1. 1.6 kg

2. 0.68 kg

3. 0.6 kg

4. 1.28 kg

Step-by-step explanation:

For all of the questions, you divide it by what she takes off the sample for testing.

Hope this helps :)

Related Questions

HELP!!! BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

its 1.20 for each pound for sure!

Step-by-step explanation:

all u gotta do is divide 4.80/4 and is 1.20 so yea that means 1.20 for each pound so it would be B the sec option! :) hope this helps

Estimate the percentage: 41 of 122
a. 0.3% c. 43.6%
b. 33.3% d. 3% Explain

Answers

Answer:

33.3%

Step-by-step explanation:

41/122 = approximately 0.333

Multiply this by 100 and you get your percent.

Answer:

b

Step-by-step explanation:

the answer is 33.61 but thats the closest

The sequence below shows the number bacteria Arjun observed each hour for a science experiment:
5, 20, 80, 320,1,280,..
Which recursive function describes the number of bacteria observed at the nth hour?

Answers

Answer:

Hope this helps!

Step-by-step explanation:

Hope this helps


See screen shot :)

The figure below shows the quotient of Fraction 2 over 5 divided by Fraction 1 over 10.

Answers

Answer:

3

Step-by-step explanation:3

2/5 / 1/10

2/5*10/1= 20/5

Are you able to determine the volume of the cube with the information given? (Explain in complete sentences)

Answers

if it is a perfect cube, the volume would be 5•5•5 or otherwise known as 5 to the third power. your answer would be 125
yes because you would be able to do 5•5•5 and you’d be able to find the volume of the cube

PLEASE IM BEGGING YOU

Answers

Answer:b

Step-by-step explanation:

Rectangle WXYZ with vertices W(-1,4), X(-1,1), Y(5,1), and Z(5,4). What is the perimeter?
HELP PLEASE I WILL GIVE BRAINLIEST TO BEST ANSWER AND 20 POINTS!!!!

Answers

Answer:

umm 14? hold on imma come back:)

what are two solutions to x < 8

Answers

Answer:

7, 3

Step-by-step explanation:

Any number less than 8 will work.

Answer:

6, 4

Step-by-step explanation:

Any number less than 8 will work

the quotient of a number x and 3 is at most 4
an inequality is ?
the solution is ?

Answers

Answer:  The inequality is   x/3 [tex]\leq[/tex] 4   and   x [tex]\leq[/tex] 12

Step-by-step explanation:

The quotient of x and 3 is the same as x/3  and the at most sign is less than or  equal to. x/3 has to be  less than or equal to  4 which can be represented by the inequality,

x /3 ≤ 4            Solve for x by multiplying both sides by 3.

x ≤ 12

Find the angle for a ​

Answers

Answer:

69

Step-by-step explanation:

The answer is 69.

69+52=121

SOMEONE PLEASE HELP !!

Answers

Answer: ITS C

Step-by-step explanation:

the length of a rectangle is 5 feet and the width is x the perimeter is less than 15 feet write and solve an inequality to find the value of x

please help me with this and ill give you a brainlist

Answers

Answer:

5 ft * x ft

x ≤ 3 ft

Step-by-step explanation:

The answer is X equals 3

write the range of the function f(x)=-(x+4)^2-3 using set notation

Answers

Answer:

(−∞,−3], {y|y≤−3}

Step-by-step explanation:

Is that a answer choice?

Please help! ASAP! I will give brainliest!!
Tara works at a call center for a home shopping network. The table below shows the number of orders placed with the network per day based on the number of calls received per day by the network.

Number of Calls, x 200 250 300 350 400
Number of Orders, N 170 225 272 326 374

Which equation best models this set of data?
A. N = x2 - 27
B. N = -x2 + 27
C. N = -x + 27
D. N = x - 27

Answers

Answer:

c

Step-by-step explanation:

Answer:

its actually D

Step-by-step explanation:

hope this helps

whats 5 + 4/23 x -34 Divide by ten is.....
P.s. i have to show my work sooooooo.....

Answers

i would guess bruhh tuff

First, you have to do the multiplication first because pemdas
so 4/23 x (-34) = -136/23
so then do the equation 5 + (-136/23)
after you do that equation the final answer is -21/23

what is 2+2x 4, Delany answer it please.

Answers

Answer:

10

Step-by-step explanation:

pemdas

please excuse my dear aunt sally

first you 2x4 which is 8 then add 2

Answer:

10

Step-by-step explanation:

Original equation:

2 + 2 · 4 = ?

Multiply 2 by 4

8

Plug this value back into the equation

2 + 8

Add

10

Hope this helps :)

Katya cut part of the jump rope off to make it shorter. The new length is 8 and StartFraction 1 over 6 EndFraction feet. The difference between the original length and the new length is StartFraction 5 over 6 EndFraction foot. The equation x minus 8 and StartFraction 1 over 6 EndFraction = StartFraction 5 over 6 EndFraction can be used to represent this problem, where x is the original length of the rope. What was the original length of the rope?

7 and one-thirdfeet
8 and two-thirdsfeet
9 feet
10 feet

Answers

Answer:

9 feet it is right

Step-by-step explanation:

PLZ HELP THIS IS AN EXAM QUESTION
In a petri dish, a certain type of bacterium doubles in number every 25 minutes. There were originally 16, 2^4 bacteria in the dish. After 150 minutes, the number of bacteria has doubled 6 times, multiplying by 2^6. Expressed as a power, how many bacteria are in the petri dish after 150 minutes?

Answers

2x2x2x2x2x2x2= 64
There’s are 64 bacteria after 150 minutes

PLS HELP DUE SOON: (basically it's a retest) will give brainliest <3

Answers

The answer is the fourth one
If I’m correct I believe it’s 4.

The table shows the linear relationship between the number of hours Francis worked, x , and the amount of money Francis earned, y.







Based on the table, how much did Francis earn per hour?

Answers

he earned 14$ and hour, because when you divide 17.5 divided by 1.25 you get 14

Answer:

your awnser would be 14.00$ aan hour

i hope i helped u

Step-by-step explanation:

A particular type of cell doubles in number every hour. Which function can be used to find the
number of cells present at the end of h hours if there are initially 4 of these cells?

Answers

Answer:

The function would be

.This is in the general form

, where a is the initial value, b is the rate it increases by, and x is the amount of time.  For our function, the initial value is 4 and the rate it increases by is 2.

Step-by-step explanation:

Please help me ASAP!

Answers

Answer:y= 4x-2 and y-2=4(x-1)

Step-by-step explanation:

Answer:The answer in y=4x-2

Step-by-step explanation:

So, 4 is how man units it goes up at a time, -2 is the y intercept where it intercepts the Y axis and x is x Here is how to solve the first ordered pair the equation is 4(-1) -2 so 4 times -1 is -4 -2 so basically it is -4 +-2 so you get -6 so to solve the rest do what i just demonstrated just change x to 0,1,2 ect.

Here is an equation: 4x - 4 = 4x + _____. What could you write in the blank so the equation would be True for one value of x.

o -7

o 19

o -4

o 4x

o 2x

Answers

Answer:

-4

Step-by-step explanation:

:)

Help with these 2 question and I with give 36 points away and brainliest (pics included)... Only 1 & 2 pls

Answers

Answer:

for 1 is B and for 2 is A

Question one is B, and question two is A

i need these asap ill give brainliest

Answers

5 1 4 2 I’m sure and I need at least 20 characters
Why u don’t use seamos?

A line passes through the origin and the point (12,9). Identify the slope of the line.

Answers

Answer:

the slope (m) = 3/4

Step-by-step explanation:

Answer:

M=3/4

Step-by-step explanation:

Rise/run

9/12=3/4

Mandy makes beaded bracelets and sells them for $5 each. If she sells the bracelets for 250% of the cost of her materials, how much does each bracelet cost to make?

Answers

Answer:

$2.00

Step-by-step explanation:

Just change 250% to a decimal. It becomes 2.5. Then divide 5 by 2.5.

5 / 2.5 = 2!

Hope this helps!

What is x+67 when 67=r+8.483 and x=9?
Btw that kid is not me, its my friend, at least i think he is

Answers

Answer:

76

Step-by-step explanation:

x=9, therefore x+67 would be 9+67 which equals: 76

76 hope it helps !!

Please help thanks!

If a cone has a volume of 75.36 cubic feet and a radius of 6 feet, what is the height of the cone? (Use 3.14 for .)

2 feet
3.46 feet
6 feet
4 feet

Answers

2 feet is the height of the cone.

Write the missing exponent.

Answers

Answer:

blue is 3 red is 2 red is one and yellow is 4

Step-by-step explanation:

its pretty obvious

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