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DochEvi [55]
3 years ago
15

Multiply and simplify : (4x -3)(-2x+1)​

Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{ - 8 {x}^{2}  + 10x - 3}}}}}

Option B is correct.

Step-by-step explanation:

\sf{(4x - 3)( - 2x + 1)}

Use the distributive property to multiply each term of the first binomial by each term of the second binomial

\dashrightarrow{ \sf{4x( - 2x + 1) - 3( - 2x + 1)}}

\dashrightarrow{ \sf{ - 8 {x}^{2}  + 4x + 6x - 3}}

Add like terms: 4x and 6x

\dashrightarrow{ \sf{ - 8 {x}^{2}  + 10x - 3}}

Hope I helped!

Best regards! :D

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Lucy reads 450 words in 3 minutes.
AnnyKZ [126]

Answer:

3000 words

Step-by-step explanation:

450 words in 3 minutes is 150 words in 1 minute. 20 minutes = 1 times 20.          

1 minute = 150 words so 150 words times 20 minutes = 3000 words.

5 0
3 years ago
Please answer this!!!!!
Troyanec [42]

Answer:

option 2

Step-by-step explanation:

8 0
3 years ago
In the graph below, line k with equation y = -k makes a 45° angle with the x- and y- axes.
tamaranim1 [39]

Answer:

D. (-5,2)

Step-by-step explanation:

1st reflection = reflection across the line k with the rule:

(x,y)→(-y,-x)

So,

(2,5)→(-5,-2)

2nd reflection = reflection across the x-axis with the rule

(x,y)→(x,-y)

So,

(-5,-2)→(-5,2)

After two consecutive reflections

(2,5)→(5,2)

5 0
3 years ago
Read 2 more answers
35/28 = n/100<br> What is the percent for n
Sholpan [36]
The percent of n is bye bye
5 0
2 years ago
5. On a college campus, the library is 80 yards due east of the dormitory and the recreation center is due north of the
Luda [366]

The length of the new sidewalk between the Dormitory to the recreation center is 143 yards

We need to understand the concept of Bearing and Distance in order to be able to determine how long is the new sidewalk.

<h3>What are Bearing and Distance?</h3>

The Bearing of an angle measures the movement of an angle in a clockwise direction starting from the North Pole. However, the distance shows how the length of the sides of the angle can also be measured.

From the diagram attached below:

  • The adjacent of the sidewalk way = 80 yards.
  • The hypotenuse shows the new sidewalk way  = x( unknown)
  • The angle θ = 56°

Using the relation from trigonometry:

\mathbf{Cos \ \theta = \dfrac{adjacent}{hypotenuse}}

\mathbf{Cos \ 56 = \dfrac{80 \ yards }{x}}

\mathbf{x= \dfrac{80 \ yards }{Cos \ 56 }}

\mathbf{x= 143.06 \ yards}

x ≅ 143 yards

Learn more about Bearing and distance here:

brainly.com/question/17007896

5 0
2 years ago
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