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3 years ago

14

Which expression is equivalent to 3x – 5?

2 answers:

igomit [66]3 years ago

7 0

Answer:

2x-4-1+x

Step-by-step explanation:

Just answerd the quistion

Scrat [10]3 years ago

6 0

the equation 2x-4-1+x would be the answer

Because 2x+x = 3x and -4-1 = 5, the result would be 3x-5

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From the diagram below, if AD = 5, and DB = 10, what is the length of CD?

bazaltina [42]

Answer:

20

Step-by-step explanation:

According to Euclidian theorem:

h^2 = AD*CD (h is the height, DB in this case)

rewrite the equation by using given values

10^2 = 5*CD find the square value of 10

100 = 5*CD divide both sides by 5

20 = CD

7 0

2 years ago

PLZ I NEED HELP ON THIS PROBLEM

dimulka [17.4K]

Answer:

-4x+1/10

Step-by-step explanation:

hope this helps mb if its wrong

7 0

3 years ago

Evaluate the expresion for x=6. -2x + 1/3(x2 + 6) - 36/6

yulyashka [42]

Answer:

-12

Step-by-step explanation:

-2(6)+1/3(12+6)-6

-12+1/3(18)-6

-12+6-6

-12

7 0

4 years ago

Read 2 more answers

Help. please. I really need help if its correct i would be happy

boyakko [2]

Answer:

$-22\frac{1}{3}$

Step-by-step explanation:

$a=\frac{1}{3} , b = -10, c = -3$

change $b^{2} - 9a^{2} + c$ to

$-10 -9\frac{1}{3} + (-3)$

=

$-22\frac{1}{3}$

8 0

3 years ago

If l || m, classify the marked angle pair and give their relationship, then solve for x.

WINSTONCH [101]

Answer:

14. x=16, 15. x=9

Step-by-step explanation:

14.

4x+4=7x-44 by alternate exterior angles

3x=48

x=16

15.

15x-26=12x+1 by alternate exterior angles

3x=27

x=9

5 0

3 years ago