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xenn [34]
3 years ago
8

Adi used algebra tiles to represent the product (negative 2 x minus 1)(2 x minus 1).

Mathematics
2 answers:
aleksley [76]3 years ago
6 0

Answer:

its B

Step-by-step explanation:

Paha777 [63]3 years ago
5 0

Answer:

She did not represent the two original factors correctly on the headers.

Step-by-step explanation:

Adi algebra tiles representation is shown in the figure attached.

She made a mistake when she represented -2x-1 with two negative tiles in the top header , so, the representation in the header is not correct.

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kompoz [17]

Answer:

a.The quotient is a factor

Step-by-step explanation:

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2 years ago
A garden is 4 yards 24 inches wide and 4 yards long. Write the ratio of the width to the length as a fraction in simplistic form
Lana71 [14]

Answer:

7/6

Step-by-step explanation:

The width to length ratio is ...

... width / length = (4 2/3 yards)/(4 yards) = (14/3)/4 = 14/12

... width/length = 7/6

8 0
3 years ago
I need answers to all of these. Please help!! I suck at math..
RSB [31]
1)  (-4) + (-9) = -13 

2) 5 + (-12) = -7 

3) -6 + 5 = -1 

4) -7 + 7 = 0 

<span>5)  -7 + 2 ___ 3 + (-9)

       - 5  ____    - 6 

</span>-7 + 2  >  3 + (-9)

6)  <span>4 + (-8) ___ 6 + (-8) + (-6)  

     - 4 ____    - 8 

</span><span>4 + (-8) >  6 + (-8) + (-6)

7)  </span><span>$66

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3 years ago
D Answer each question.
nika2105 [10]

Answer:

Step-by-step explanation:

1. Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz.

2. speed of sound is 343 m/sec.

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6 0
2 years ago
The rate of planting the grass is ` x per square meter. Find the cost of planting the grass on a
kotegsom [21]

Step1: Find the area of the triangular lawn

             Given, base of the triangle is y metres and the height is z metres

             Area of the triangle =

2

1

​

× base × height

             Therefore, area of the triangular lawn =

2

1

​

yz metre  

2

.

Step 2:Find the cost of planting the grass

             Rate of planting the grass is Rs. x per square metre.

             Therefore, the cost of planting the grass on a triangular lawn =cost per square meter × area of the triangular lawn

              =x×

2

1

​

yz=

2

1

​

xyz

Hence, the cost of planting the grass on a triangular lawn whose base is y metres and  height is z metres is Rs.  

2

1

​

x y z.

Step-by-step explanation:

3 0
2 years ago
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