3 years ago

What is equivalent to 25c+15

Mathematics

1 answer:

aniked [119]3 years ago

8 0

The Answer is: 5 (5c+3)

Step-by-step explanation:

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12(3w+8)=25 what is the w

Mashcka [7]

12(3w+8)=25
36w+96=25 ( I used the distributive property)
-96 . -96
36w=-71
w=-1.972222.... ( I divided both sides by 36)

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3 years ago

A gym owner has some purple weights and some white weights. The purple weights are 10 kilograms each, and the white weights are

snow_lady [41]

Answer: $3,9$

Step-by-step explanation:

Given

A gym owner has purple and white weights that measure 10 kg and 6 kg each

respectively.

They weigh 84 kg in total

suppose there x purple and y white weights

$\therefore x+y=12\quad \ldots(i)\\\Rightarrow 10x+6y=84\quad \ldots(ii)\\\\\text{Solving }(i)\ \text{and }(ii)\\\\$

$x=3,\ y=9$

Thus, there are 3 purple and 9 white weights.

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3 years ago

What is the equation of the line that passes through (4, 3) and (-4, -1)?

snow_lady [41]

It should be y=1/2x+1

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3 years ago

Evaluate the expression when f=6 12f+3

Ratling [72]

Answer:

Step-by-step explanation:

Substitute 6 for f

12f+3=

12*6+3=

72 + 3 = 75

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3 years ago

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Solve by extracting roots. Round your answers to two decimal places.

Colt1911 [192]

2.8a^2=55
a^2=55/2.8
a= square root of 55/2.8

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3 years ago

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