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Otrada [13]
3 years ago
15

How do we evaluate expression

Mathematics
1 answer:
skad [1K]3 years ago
3 0
<span>You have to substitute a number for each variable and perform the math operations.</span>
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GIVEAWAY!!! <br> 50PTS + BRAINLIEST <br><br> 4(2x)−8x+4
blagie [28]

Answer:

4(2x) - 8x + 4

4 × 2x = 8x

8x - 8x + 4

= 4

8 0
2 years ago
Someone please help!! i will<br> make you a brainliest...i don’t want to fail:(((
Serggg [28]

Answer:

the fisrt one is y=1/2x

the second one is y=x+11

the third one is y= x^3

fourth on is y= ^3 checkmark x

Step-by-step explanation: your welcome

8 0
2 years ago
The scale of the floor plan of a room is 1 cm : 6.5 m. On the floor plan, the room is 3 cm long by 2 cm wide. What are the actua
elena-s [515]

Answer:

The room is 19,5m long and 13m wide.

Step-by-step explanation:

1cm -> 6,5m

3cm -> 19,5m

2cm -> 13m

3 0
3 years ago
Which is the equation of a line that is perpendicular to 6x – 4y = 9?
natulia [17]

6x – 4y = 9

4y = 6x - 9

y = 6/4 x - 9/4

y = 3/2 x - 9/4 this line has slope = 3/2


perpendicular line, slope is opposite and reciprocal so slope of this line = -2/3


answer:

A. y= - 2/3 x - 4 (only this line has slope = -2/3)

8 0
3 years ago
What is the distance between (4,2) and (-1,-3)
Sati [7]
<h2>Solving for the Distance between two Points</h2><h3>Answer:</h3>

5 \sqrt{2} or 7.071

<h3>Step-by-step explanation:</h3>

<em>Please refer to my answer from this Question to know more about distances between two points: <u>brainly.com/question/24629826</u></em>

Given:

(4,2)

(-1,-3)

Solving for the Distance:

\sqrt{(4-(-1))^2 +(2 -(-3))^2} \\ \sqrt{(4 +1)^2 +(2 +3)^2} \\ \sqrt{5^2 +5^2} \\ \sqrt{25 +25} \\ \sqrt{50} \\ \sqrt{25 \cdot 2} \\ 5 \sqrt{2}

<u>Note:</u>

5 \sqrt{2} \approx 7.071

4 0
3 years ago
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