PLS HELPPP Evaluate the expression for the given value of the variable. -3d - 4 for d=5!

Mathematics

2 answers:

Rzqust [24]3 years ago

5 0

Answer:

-19

Step-by-step explanation:

substitude d for 5:

-3(5)-4

= -15-4

= -19

zhenek [66]3 years ago

5 0

Answer:

-19

Step-by-step explanation:

-3d - 4

-3(5) - 4

-15 - 4

-19

Hope this helps :)

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Consider the formula for the average velocity, v, of a moving particle. In the formula, d, and dy represent the distance travele

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Answer:

Option C.

Step-by-step explanation:

Note: The question and options are not in correct form.

Let the correct question is "Consider the formula for the average velocity, v, of a moving particle. In the formula, d1 and d2 represent the distance traveled by the particle at times t1 and t2 respectively.

v = (d2 - d1)/(t2 - t1)

Which of the following equations is equivalent to the formula for velocity?

A. t1=v(d2-d1)-t2

B. d1=v (t2-t1)-d2

C. d2=v(t2-t1)+d1

D. t2=v(d2-d1)+t1 "

The given formula is

$v=\dfrac{d_2-d_1}{t_2-t_1}$