MATHEMATICS MIDDLE SCHOOL

What is -(2×7)+(4g×9a)

Answers

Answer 1
Answer: I think its 162 but i dont know so hope this helps sorry if it dont

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MIDDLE SCHOOL

Name the property shown. (8 • 5) • 11 = 8 • (5 • 11)

A. Commutative Property of Addition

B. Identity Property of Multiplication

C. Commutative Property of Multiplication

D. Associative Property of Multiplication

Answers

I believe it is d but I’m not sure

Answer:

d

Step-by-step explanation:

MIDDLE SCHOOL

What is 4067 divided by 56

Answers

The answer to 4067 / 56 is72.625


4067 divided by 56 is 72.625
hope that helped!
MIDDLE SCHOOL

Simplify (9s/2t)* (2s/3)

Answers

Answer:

3s^2/t

Step-by-step explanation:

(9s/2t)* (2s/3)

Multiply the numerators

9s*2s = 18s^2

Multiply the denominators

2t*3 = 6t

Put the numerator over the denominator

18s^2/6t

Divide the top and bottom by 6

3s^2/t

Answer:

You'd get 18s^2/6t by simply multiplying. To simplify just decide each sides by 6 and you'd get 3s^2/t

Step-by-step explanation:

HIGH SCHOOL

What is the unit rate of 600 calories / 1.5 h

Answers

Well, a unit rate usually has a denominator of 1 so...

Divide 600 calories by 1.5 h (600 ÷ 1.5) to get 400 calories/ 1 h

So the unit rate is 400 calories per h (not sure what 'h' stands for..)
HIGH SCHOOL

Six times a number minus five is less than twice the number plus ten

Answers

6a-5
MIDDLE SCHOOL

Find the reciprocal. Show that the product of the mixed number and the reciprocal is 1. 1) 10 1/2
2) 6 3/7
3) 2 8/9

Answers

The product of the mixed number is #1

MIDDLE SCHOOL

Fran solved the equation 42 = x + 23 . Although her final answer was correct, she could have found it in a simpler way. Which sentence best explains why?

Answers

The simpler way of solving the equation given is two just subtract 23 from both sides.

What are equations?

An equation is a mathematical statement that shows that two mathematical expressions are equal.

For examples, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Given that, a solution of Fran of solving an equation 42 = x + 23, she opted for a long process, we need to tell which could be a simpler way to solve this,

So, the equation is 42 = x + 23

If we subtract 23 from both sides, we can simply get the answer,

So,

42-23 = x + 23 -23

x = 19

Hence, the simpler way of solving the equation given is two just subtract 23 from both sides.

Learn more about equations, click;

brainly.com/question/29657983

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He just have to do a substraction.

42 = x +23
42 - 23 = x
19 = x
x= 19

That's simple !

Hope this helps !

Photon
HIGH SCHOOL

How do you find the average rate of change in calculus?

Answers

The average rate of change doesn't require calculus.
It's just
           
         (amount of change during some time) / (amount of time for the change) .

You need calculus when you want the instantaneous rate of change . . .
that's the rate of change at a single point in time.
MIDDLE SCHOOL

Grandma bakes the world's best and favorite cookies. If grandma's cookies have a half life of 2 hours and she bakes 3 dozen cookies, how many hours will pass until only two cookies remain? a. 56 minutes
b. 1 hour and 17 minutes
c. 1 hour and 10 minutes
d. 8 hours and 20 minutes

Answers

Answer:

The time that pass until only two cookies left is 1.89 hour

Step-by-step explanation:

Given as :

The number of cookies bakes in 2 hours = 3 dozen

∵ 1 dozen = 12 piece

So, In 3 dozen = 12 × 3 = 36 cookies

The Time required to bake 36 cookies = 2 hours

Now, Let The time required to bake 2 cookies = x hour

So, According to question

∵ The time required to bake 36 cookies = 2 hours

So, the time required to bake 1 cookies = = hour

∴The time required to bake 34 cookies =   × 34

I.e The time required to bake 34 cookies = hour = 1.89 hour

Or, the time taken is 1.89 hours

Hence The time that pass until only two cookies left is 1.89 hour Answer

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