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xz_007 [3.2K]
3 years ago
8

Simplify the following expression: 3[(x^3– 7 x + 1) – (x+ 4)]

Mathematics
1 answer:
Alona [7]3 years ago
5 0

Answer:

15 - 9

Step-by-step explanation:

3[( 3x - 7x plus 1) - (x plus 4)]

3[(-4x plus 1) - x-4

3[-4x plus 1 -x-4

3[-4x-x plus 1-4]

3[fivex -3]

fifteen x - 9

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Less than $3 because 25/7/2
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Jonny has 2 1/2 cupcakes and 1/4 of friends How much will each friend get
CaHeK987 [17]

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hope this helps!

4 0
3 years ago
huma has 4 bags of square inch tiles with 6 in each bag she uses them to meaure the area of a rectangle on her homework. ahter c
poizon [28]

Answer:

20 square inches

Step-by-step explanation:

No. of bags Huma has : 4

No. of tiles in one bag: 6

Total no . of tiles in 4 bag = 4 * No. of tiles in one bag

                                             = 4*6 = 24

No of tiles left with huma = 4

Let x be the no of tiles used to cover rectangle

Hence,

sum of no. of tiles left with huma and no of tiles used to cover rectangle should be equal to Total no . of tiles in 4 bag

mathematically

no. of tiles left with huma(4) + no of tiles used to cover rectangle (x) =  Total no . of tiles in 4 bag (24)

4 + x = 24

subtracting 4 from both sides

4 + x -4 = 24 - 4

=> x = 20

Thus, 20 square inches tiles are used to cover the rectangle.

This means that area of rectangle is 20 square inches .

6 0
3 years ago
Please help i’ll give brainless
Mars2501 [29]

Answer:

i think the answer is the fourth opition slope = -5/3

6 0
3 years ago
Read 2 more answers
Solve the linear equation 2.25 – 11j – 7.75 + 1.5j = 0.5j – 1.
maxonik [38]
To solve for this we will follow PEMDAS to arrive at the correct answer so we have the following:
2.25 - 11j - 7.75 + 1.5j = 0.5j - 1 \\  - 9.5j - 5.5 = 0.5j - 1 \\  - 10j = 4.5 \\ j =  \frac{4.5}{ - 10}  = - 0.45
Based on calculations the correct answer is A
7 0
3 years ago
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