explain why estimating before you divide 624 divided by 6 help you place the first digit in the quotient

Answers

Answer 1

Answer:
Estimating helps you so you get an idea of what the answer might be.

Answer 2

Answer: Like JumpingUnicornz said
It helps you get an idea of what the answer may be similar to.

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A park charges $7.50 per hour to rent a bike. The table shows the relationship between the number of hours, h, and the total cost, c. With the information in the table, which expression can be used to find c?

Answers

C=7.50h. C represents cost and h represents the amount of hours. The cost per hour is 7.50.

Answer:

let n be no of hours

7.5x n = c

Step-by-step explanation:

How do you simplify 420/1980?

Answers

the answer is
84/396
divide them both by five
hope it helps.

105/495

I think that is the answer

How to work out:
5x+1=2x-8

Answers

$5x+1=2x-8 \n 5x-2x=-8+1 \n 3x=-7 \n x=-7/3$

S= {-7/3}

5x+1=2x-8
3x=-7
x=-7/3

Please help me!!! :(

Answers

Question 3

x(x + 12) = 0
x(x) = 0

Question 4

x = 0 or -1

Question 5
3rd box

x² - 49 = 0
x² = 49
√x² = √49
x = 7

Question 3.
x(x)

Question 4.
x=0 only

I am not sure about question 5 sorry.

when the length of a rectangle is X inches and the width is y inches, the perimeter is 30 inches. if the length is tripled and the width is quadrupled the perimeter becomes 102 inches. find the length and width of the original rectangle

Answers

P1=2x+2y=30

after modify them

P2=2*3x+2*4y=102

6x+8y=102

2x+2y=30 / * (-3)

-6x-6y= -90

6x+8y=102

we must add the 2 expressions

/ 8y-6y=102-90

2y=12

y=12:2

y=6

2*x+2*y=30

2x+2*6=30

2x+12=30

2x=30-12

2x=18

x=18:2

x=9

The number of frogs that the princess has kissed at most 4

Answers

Answer:

$x \le 4$

Step-by-step explanation:

"At most 4" means it can be 4 or less.

That is the same as "less than or equal to 4"

Let x = number of frogs the princess kissed.

$x \le 4$

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2.375 divided by 0.05

50 POINTS ANSWER QUICKThe following pictograph shows the attendance at each seminar at a financial conference. The graph shows that 25 more people attended the "Good Spending Habits" seminar than the "Making a Budget" seminar.