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never [62]
4 years ago
12

tina practiced piano for 15 hours last month and 45 hours this month. using addition to write a statement comparing the hours ti

na practiced during the two months
Mathematics
1 answer:
Kipish [7]4 years ago
3 0
She practiced piano for 60 hours
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Could someone answer this pls thank u
loris [4]

Given:

The area model.

The area of the shape is 82 square units.

To find:

The correct equation for the given situation.

Solution:

We know that, area of a rectangle is

Area=Length \times Width

The figure is divided into 3 rectangles. Using this formula, the area of each rectangle is

A_1=(x)\times (3x)=3x^2

A_2=(x)\times (4)=4x

A_3=(3)\times (3x)=9x

Now, the total area is equation to 82 square units.

A_1+A_2+A_3=82

3x^2+4x+9x=82

3x^2+13x=82

Since the required equation is 3x^2+13x=82, therefore, the correct option is C.

7 0
3 years ago
The campsite shop sells boxes of Funshine Cereal.
irga5000 [103]
The boxes are kept is 2275 cm and the boxes 10800 mm
3 0
3 years ago
I keep getting the answer wrong for the value please help.​
neonofarm [45]

Answer: d) +/- 2/3

Step-by-step explanation: Since x^2 is a exponent, to cancel it out you would have to square root both sides. Therefore, x is equal to +/- 2/3.

3 0
3 years ago
Read 2 more answers
What is the radius and the diameter of 4.2
alekssr [168]
4.2 because it has a box around the corner that makes it whole
4 0
3 years ago
I'll give brainliest
Soloha48 [4]

Answer

Haven't done this for a bit but I think it's 19

Step-by-step explanation:

2 * 2 * 2 = 8

27 - 8 = 19

6 0
3 years ago
Read 2 more answers
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