Analyze the diagram, then solve for x.

Answers

Answer 1

Answer: i think it would be 60

Answer 2

Answer: ^the answer above is wrong. The answer is 9.

10x = 90
Divide both sides by 10, and you get, x = 9.

To check:
Plug in 9 for x in the diagram above.
6(9) + 4(9)
54 + 36
=90, which is given as a clue on the left side.

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Complete the equation below to make it true. Hint: Think about place value.8,439 = 9 + ___ + 30 +___

Answers

1 blank needs to be 8,000 and the other 400!

A ball falls, rebounds to 72% of its previous height and falls again. After two bounces, the ball reached a height of 25cm. From what height was the ball dropped originally?

Answers

Max Height after first bounce = 25/0.72 = 34.72cm
Original Height from which the ball was dropped = 34.72/0.72 = 48.22 cm (2 decimal places)

48.2
25/72=.3472×100=34.72/72=.4822×100=48.2

One week, Jake and Sally collected canned goods for a food drive. On Monday, Jake collected 4 boxes and Sally collected 2 boxes. At the end of the week, Jake had 3 times as many boxes as he had on Monday. Sally had 4 times as many boxes as she had on Monday. Together, how many boxes of canned goods did they have at the end of the week?

Answers

Jake:
Mon- 4 boxes
End of the week- 3x the boxes on Mon
3 x 4 = 12

Sally:
Mon- 2 boxes
End of the week- 4x the boxes on Mon
4 x 2 = 8

12 + 8 = 20 boxes total

How do you solve this inequality? 200-15d<80

Answers

1) add 15d to both sides
200<80+15d

2) takeaway 80 from both sides
120<15d

3)divide by 15 to solve the inequality
8<d

Which is 8.43 written in expanded form

Answers

That would be 8 + 0.4 + 0.03

8+0.4+0.03 i believe i may have gotten that wrong

What is the unknown number ( +4)+59=70

Answers

The value of unknown number is 7.

Here,

The expression is given as;

⇒ ( +4)+59=70

We have to find the unknown number.

What is Mathematical expression?

The combination of numbers and variables by using operations addition, subtraction, multiplication and division is called Mathematical expression.

Now,

Let the unknown number is x.

Then, The expression become;

( x + 4 ) + 59 = 70

Subtract 59 both side,

( x + 4 ) + 59 - 59 = 70 - 59

x + 4 = 11

Subtract 4 both side,

x + 4 - 4 = 11 - 4

x = 7

Hence, The value of unknown number is 7.

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