MATHEMATICS MIDDLE SCHOOL

What’s 85 divided by 9

Answers

Answer 1

Answer:

Answer:

9 4/9

Step-by-step explanation:

9 x 9 = 81

you have 4 left over

place the 4 over 9 and that is your answer.

Answer 2

Answer:

9.4444444444444

Step-by-step explanation

85÷9= 9= 81 remainder 4

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How many halves are there in 23

Answers

$23\cdot 2=46\n\nAns.\ 46$

There are 46 halves in 23 because there are 2 halves in a whole so you x it by 2

Order from greatest to least 4; 4.022; 4.002; 4.221

Answers

Answer:

4.002 4.022 4.221

Step-by-step explanation:

dont be mad if i did it wrong cuz that's how i was taught and anyways the smaller one is always bigger according to my teachers

What is the difference?Express your answer in lowest terms.

-1/10 - ( -2/10 )

Answers

$- (1)/(10) - (- (2)/(10) ) = (1)/(10) + (-(2)/(10)) = - (1)/(10)$

in a laboratory, solution A will be mixed with solution B in a ratio of 3 to 2. what amount of solution A is needed to mix with 750 ML of solution B

Answers

1,125 ML of solution A will be mixed

1: What is 15:25 as fraction in simplest form.

A: 15/25
B: 3/5
C: 1/3
D: 30/50
2: Which number is equivalent to 3/7
A: 6 TO 10
B: 76:107
C: 12/35
D: 7 TO 3

PLEASE HELP

Answers

15:25 is a ratio

we can write this as a fraction

15:25 written as a fraction is $(15)/(25)$

to simplify this we have to divide both numerator and denominator by the highest common factor for both numerator and denominator

the factors for 15 and 25 are as follows

15 - 1,3,5,15

25 - 1,5,25

the highest common factor is 5

so we have to divide both by 5

$(15/5)/(25/5) = (3)/(5)$

the answer is

B. 3/5

2. the number equivalent to 3/7 is

9/21

equivalent fractions are fractions , where all the equivalent fractions have the same simplified form

3/7 fraction multiplied by 3

numerator and denominator are both mutliplied by 3

$(3)/(7) * 3 = (3*3)/(7*3) = (9)/(21)$

answer is 9/21

1. 15:25 = 15/25 = 3/5 (Divide the numerator and denominator by 5)
Answer: 3/5 or B

2. 3/7 = 12/28 (This question doesn't have a correct answer out of your choices.)

Calculate the perimeter and area of the following square if a= 19

Answers

we are given

Area:

side=a=19

we know that

area of square = side*side

$Area=a*a$

now, we can plug value

and we get

$Area=19*19$

$Area=361$

Perimeter:

perimeter=4a

$perimeter=4*19$

$perimeter=76$

Formula for perimeter of a square: P = 4a

Formula for area of a square: A = a²

a is given as:

Plug this value for a into the above formulas to solve for perimeter and area.

P = 4a

P = 4(19)

P = 76

-----------------------------------------------------------------------------------------------------------------

A = a²

A = 19²

A = 361

Answer:

P = 76 units; A = 361 units².

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