MATHEMATICS MIDDLE SCHOOL

a particular plant root grows 2.5 inches per month how many centimeters is the plant root growing per month

Answers

Answer 1

Answer:

The numbers of centimeters the plant root is growing per month is:

6.35 centimeters.

Step-by-step explanation:

It is given that:

A particular plant root grows 2.5 inches per month.

We are asked to find how many centimeters does the plant grow per month.

We know that:

The conversion is given by:

1 inches= 2.54 centimeters

Hence,

2.5 inches= 2.5×2.54 centimeters

i.e.

2.5 inches= 6.35 centimeters

Hence, the growth of the plant in a month is: 6.35 centimeters.

Answer 2

Answer: 2.5 inches is 6.35 centimeters because 1 inch is 2.54 cm

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Plz, Help ASAP!Inequalities

Find an explicit formula for the arithmetic sequence -45,-30,-15,0...

Answers

Answer:

15(n-1)-45

Step-by-step explanation:

Increases by 15, so sequence is arithmetic, and goes to positive.

1st term is -45

so 15(n-1) gives us first term.

Reply for any questions I got you

$\bf -45~~,~~\stackrel{-45+15}{-30}~~,~~\stackrel{-30+15}{-15}~~,~~\stackrel{-15+15}{0}~\hspace{7em}\stackrel{\textit{common difference}}{d=15} \n\n[-0.35em] ~\dotfill\n\n n^(th)\textit{ term of an arithmetic sequence} \n\n a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^(th)\ term\n n=\textit{term position}\n a_1=\textit{first term}\n d=\textit{common difference}\n \cline{1-1} a_1=-45\n d=15 \end{cases} \n\n\n a_n=-45+(n-1)15\implies a_n=-45+15n-15\implies a_n=15n-60$

A square has a perimter of 36 milimeter what is the area of the square?

Answers

Answer:

Area is 81 mm^2

Step-by-step explanation:

A square has 4 equal sides.

let x be a side. so 4x=36

x =9

to find the area, multiply 9*9

=81

Answer:

81 mm^2.

Step-by-step explanation:

A square has 4 equal sides so each side = 36/4 = 9 millmeters long.

The area = 9^2

= 81 mm^2.

is there a 9's trick in multiplication? if so please tell me! i would love to know since i am so terrible with my 9.

Answers

There is a nine trick
First, you hold up all of your fingers
So if you're doing 6x9, you would hold up your 10 fingers, and count to six, while each number, hold a finger down. When you're done, you should have the thumb of your right hand down. So since your left hand has 5 fingers down, that's 50. Next, you skip your thumb and count 4. That's 54
6x9 is 54

There is a nines trick Ex. 9 x 8 You put your hands in front of you and would put the eighth finger down. The eight finger is like an imaginary line. The fingers that are up on the left side are the tens. And the fingers up on the right are the ones. Then when you add them together they make the anwser of 72. And it works for any number. I hope i helped

V^2 = u^2 + 2as

make S the subject

Answers

$V^2=u^2+2as\n\n 2as=V^2-u^2\n\n s=(V^2-u^2)/(2a)$

Hey!
So if you are solving for S, then follow these steps!
First you wanna subtract u^2 from both sides because that's the easiest way to go first.
V^2 - u^2 = 2as
Now you want to get s alone, but 2a is multiplied to it so you want to do the opposite which is dividing.
(V^2 - u^2)/2a = s
There's your answer!
Hope this helps!

The area of an equilateral triangle is 4/3 cm ^2 . Find the perimeter of the equilateral triangle.

Answers

Equilateral Triangle Area = side^2 x .4330127

side^2 = Equilateral Triangle Area / .4330127

side^2 = 4 / 3 cm^2 / .4330127

side^2 = 3.0792014491

side = 1.7547653544

perimeter = 1.7547653544 x 3 =

perimeter = 5.2642960633 cm

Archie rolls two number cubes, each with sides numbered 1 through 6. He finds the sum of the numbers on the tops of the cubes. Whaf two sums have the probability?A. 3 and 4
B. 5 and 9
C. 5 and 8
D. 10 and 12

Answers

$\Omega=\{(x;y):x;y\in\{1;\ 2;\ 3;\ 4;\ 5;\ 6\}\}\n\n\overline{\overline{\Omega}}=6^2=36\n\nA=\{(1;2);\ (2;1);\ (1;3);\ (3;1);\ (2;\ 2)\};\ \overline{\overline{A}}=5;\ P(A)=(5)/(36)\n\nB=\{(1;4);\ (4;1);\ (2;3);\ (3;2);\ (3;6);\ (6;3);\ (4;5);\ (5;4)\};\n\overline{\overline{B}}=8;\ P(B)=(8)/(36)\n\nC=\{(1;4);\ (4;1);\ (2;3);\ (3;2);\ (2;6);\ (6;2);\ (3;5);\ (5;3);\ (4;4)\}\n\overline{\overline{C}}=9;\ P(C)=(9)/(36)$

$D=\{(4;6);\ (4;6);\ (5;5);\ (6;6)\};\ \overline{\overline{D}}=4;\ P(D)=(4)/(36)$

$A.\n3\to(1;2);\ (2;1)\to(2)/(36)\n4\to(1;3);\ (3;1);\ (2;2)\to(3)/(36)\n\nB.\n5\to(1;4);\ (4;1);\ (2;3);\ (3;2)\to(4)/(36)\n9\to(3;6);\ (6;3);\ (4;5);\ (5;4)\to(4)/(36)$

$C.\n5\to(1;4);\ (4;1);\ (2;3);\ (3;2)\to(4)/(36)\n8\to(2;6);\ (6;2);\ (3;5);\ (5;3);\ (4;4)\to(5)/(36)\n\nD.\n10\to(4;6);\ (6;4);\ (5;5)\to(3)/(36)\n12\to(6;6)\to(1)/(36)$

The same probability*

Write firstly what results it's able to get and their sum:
.....1....2.....3.....4....5.....6
1   2 3 4 5 6    7
2   3 4 5 6 7    8
3   4 5 6 7 8 9
4   5 6 7 8 9 10
5   6 7 8 9 10 11
6 7 8 9 10    11 12

As you can see there are four options to get "5" and also four options to get "9".
So the B is proper answer.
Sum 5 and sum 9 have the same probability.

Other Questions

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A bag contains 3 red marbles,5 yellow marbles,and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue? A.1/12 B.1/4 C.1/3 D.3/4

1. Sally said that when you add or subtract positive or negative decimals, you can change the order of the decimals and still get the same answer.Use these decimals to answer the questions:–6.2, 5.71, –3.96, 2.84(a) Is Sally’s statement always true, sometimes true, or always false? Write two pairs of equations using addition and two pairs of equations using subtraction to support your answer. (b) Write a rule about changing the order of the numbers in adding and in subtracting positive and negative decimals.

Find the 57th term of the following arithmetic Sequences 2,9,16,23