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kakasveta [241]
3 years ago
12

Evaluate the expression 5x-3x for x = 2

Mathematics
2 answers:
Fantom [35]3 years ago
6 0
-------------------------------------
Expression 
-------------------------------------
5x - 3x

-------------------------------------
Substitute x = 2
-------------------------------------
5 (2) - 3(2)
= 10 - 6
 = 4

-------------------------------------
Answer: 4
-------------------------------------
Alona [7]3 years ago
3 0
Substitute any x that you see for a 2

5(2)=10
3(2)=6

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The sum of two numbers is 200 and the two numbers are in a ratio of 4:6. Fill in the given boxes with the numbers.
sineoko [7]

Answer:

They are

4+6=10

200/10=20

ratio4= 20x4 = 80

ratio6= 20x6= 120

to prove it do 120+80= 200

8 0
2 years ago
6.
user100 [1]

Answer:

A. y = –5x – 27

Step-by-step explanation:

Find the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line parallel to  y = − 5 x + 3 .

y = − 5 x − 27                           PARALLEL

...................................................................................................................................................

Find the negative reciprocal of the slope of the original line and use the point-slope formula  y − y 1 = m ( x − x 1 )  to find the line perpendicular to  y = − 5 x + 3 .

y = 1 /5 x + 21 /5                    PERPENDICULAR

7 0
2 years ago
Which value of x makes the inequality -* < 8 true?
elena55 [62]

Answer:

D: x = 2

Step-by-step explanation:

Go down the multiple choices answers and plug each value in for x until the inequality is true:

A:

1/4(32) < 8

1/4 × 32/1 < 8

32/4 < 8

8 < 8

8 is not less than 8 so this is false (8 = 8).

B:

1/4(35) < 8

35/4 < 8

8 3/4 < 8

8 3/4 is not less than 8 so this is false (8 3/4 > 8).

C:

1/4(34) < 8

34/4 < 8

8 2/4 < 8

8 2/4 is not less than 8 so this is false (8 2/4 > 8).

D:

1/4(2) < 8

2/4 < 8

2/4 is less than 8 so this is true (2/4 = 1/2 = 0.5 > 8).

6 0
3 years ago
The distance between the points (1,2) and (x,-1) is 5 units. Find the possible values of x​
Mariulka [41]

Answer:

-3,5

Step-by-step explanation:

d =  \sqrt{(x _{2}  - x _1)  {}^{2} + (y _{2} - y _{1} {} ) {}^{2}  }

5 =  \sqrt{(x - 1) {}^{2} + ( - 1 - 2) {}^{2}  }

5 =  \sqrt{(x - 1) {}^{2} + ( - 3) {}^{2}  }

25 = (x - 1) {}^{2}  + 9

16 = (x - 1) {}^{2}

4 = x - 1

x = 5

Or

- 4 = x - 1

x =  - 3

7 0
2 years ago
The drawing of a building, shown below, has a scale of 1 in to 30 ft. what is the actual height, in ft, of the building
11111nata11111 [884]
The answer is: 22.4 hope it helps :)
6 0
3 years ago
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