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jeka57 [31]
3 years ago
7

Are these expressions equivalent 20d -16 and 4(5d - 4)

Mathematics
2 answers:
Nataly [62]3 years ago
5 0

Answer:

Speed of the

Motorboat

(in miles per hour) Height of the Parasail

from the Water Surface (in feet)

12.5 5

14.5 10

16.5 15

18.5 20

20.5 25

22.5 30


Step-by-step explanation:

 

elena-s [515]3 years ago
4 0

Answer:

The two expressions are equivalent.

Step-by-step explanation:

20d -16 =? 4(5d - 4)

Distribute the 4

20d -16 =? 4*5d -4*4

20d -16 =? 20d -16

These are equal so they are equivalent

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3 years ago
Evaluate the expression for the given values.
Igoryamba

Answer:

a is 39

b is 57

Step-by-step explanation:

you were given two different expressions to substitute.

the first one is p = 8 and d = 1/7

so we substitute into 5p - 7d

that is 5(8) - 7(1/7)

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The second one p = 3 and d = -6

so we get 5(3) - 7(-6)

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7 0
2 years ago
Hey factory could produce 84 toy robots in one day. The purchasing equipment. Now they can produce 105 robots in one day. What i
Finger [1]

Answer:

The answer to the question is

25 % increase in production rate

Step-by-step explanation:

To solve the question, we note that

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4 0
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