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Ad libitum [116K]
3 years ago
7

Helppdjsj please! :(

Mathematics
1 answer:
faltersainse [42]3 years ago
3 0

ANSWER

0.12

EXPLAINATION:

turn 4 into a fraction ( 4/1 )

divide 12/25

since you cant divide fractions, you use KCF (keep change flip)

keep 12/25 changed division to multlication and flip 4/1 to 1/4

now multiply 12/25 x 1/4

Your answer is 0.12

Hope this helps!!

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An architect creates a scale model of a building with a scale of 3 inches =11 feet of the actual width of the building is 121 fe
Tomtit [17]

Answer:

The width of the scale model is 33 inches.

Step-by-step explanation:

This question is solved making a relation with the scale model.

In the scale, 3 inches are worth 11 real feet.

The actual width of the building is 121 feet, so we find it's scale by a rule of three.

3 inches - 11 feet

x inches - 121 feet

11x = 121*3

Simplifying by 3, both sides

x = 11*3 = 33

The width of the scale model is 33 inches.

5 0
3 years ago
There is an alien machine which produces seven aliens every two seconds. At this rate how many aliens will produces in one hour?
lyudmila [28]
Well, there are 60 minutes in 1 hour, and there are 60 seconds in 1 minute, so in 60 minutes, there are 60 * 60 seconds, or 3600 seconds in 60 minutes, or 1 hour, therefore, in 1 hour there are 3600 seconds.

the machine makes 7 aliens in 2 seconds, how many will it make in 3600 seconds?

\bf \begin{array}{ccll}
aliens&seconds\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
7&2\\
a&3600
\end{array}\implies \cfrac{7}{a}=\cfrac{2}{3600}\implies \cfrac{7\cdot 3600}{2}=a

that many.
3 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

3G -9 + 11G -21

14G-30

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vesna_86 [32]

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