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Scrat [10]
2 years ago
10

Helppppp !!!!!! 5 ( 3a - 9 ) = ? ​

Mathematics
2 answers:
kherson [118]2 years ago
4 0
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◇◆□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□◆◇

5 ( 3a - 9 )

( 5 × 3a ) - ( 5 × 9 )

15a - 45

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\:

scZoUnD [109]2 years ago
3 0

Answer:

5(3a - 9) \\  = 5 \times 3a - 5 \times 9 \\  = 15a - 45 \\ thank \: you

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A kitchen counter will be designed according to the measurements of the diagram in the image. What is the area of the surface of
Semmy [17]

Answer:

B:31.5

Step-by-step explanation:

Find areas of both rectangles by multiplying the 2 given values (12 & 15)

Take the sides parallel to the triangles non-hypotenuse sides (3 & 3)

Take both values and add them over 2

Receive the answer 4.5

Add that to the rectangle values for an answer of 31.5

Hope this helps

Have a good day

7 0
3 years ago
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Kedar earns a monthly salary of $2,200 plus a 3.75% commission on the amount of his sales at a men's clothing store. What would
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3 years ago
Is the square root of two rational numbers
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7 0
3 years ago
What is the length of the hypotenuse of a right triangle with legs of 50 ft. and 120 ft. ?
MrMuchimi

Answer: 130 ft

Step-by-step explanation:

a^2 + b^2 = c^2

Where a and b are the legs that form the right angle and c is the hypotenuse (the side directly opposite of the right angle)

50^2 + 120^2 = c ^2

2,500 + 14,400 = c^2

16,900 = c^2

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6 0
3 years ago
Plz help
kvv77 [185]

Option C: 5 x(4 x+7)(3 x+2) is the possible expressions for length, width and height of the prism.

Explanation:

The volume of the rectangular prism is 60 x^{3}+145 x^{2}+70 x

To determine the length, width and height of the rectangular prism, let us factor the expression.

Thus, factoring 5x from the expression, we have,

5 x\left(12 x^{2}+29 x+14\right)

Let us break the expression 12 x^{2}+29 x+14 into two groups, we get,

5x[\left(12 x^{2}+8 x\right)+(21 x+14)]

Factoring 4x from the term 12 x^{2}+8 x , we get,

5x[4 x(3 x+2)+(21x+14)]

Similarly, factoring 7x from the term 21 x+14 , we get,

5x[4 x(3 x+2)+7(3x+2)]

Now, let us factor out 3x+2, we get,

5 x(4 x+7)(3 x+2)

Hence, the possible expressions for length, width and height of the prism is 5 x(4 x+7)(3 x+2)

Therefore, Option C is the correct answer.

8 0
3 years ago
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