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Wittaler [7]
3 years ago
11

Find the length of each model. Then find the scale factor. (Pictures attached #3/#4)

Mathematics
1 answer:
max2010maxim [7]3 years ago
6 0

12 cm for the first one and 11.6 for the second.


Unrelated to the question, that house around number 3 gives me nostalgia of elementary school :)

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Evaluate the expression described below if the number is 4. The difference between a number squared and the number. A. 0 B. 4 C.
svet-max [94.6K]
What the above statement is saying is:
If the number is 4, find the difference between the square of the number (the number is 4) and the number itself (the number is still 4).

The square of the number is:
The number^2
= 4^2
= 4 × 4
= 16

The difference between the square of the number and the number is:
The number^2 - The number
= 16 - 4
= 12

Hope this helps! :)
5 0
3 years ago
Jim is 3 times as old as his cousin Anthony the difference in their age is 18.How old is Jim?
IgorC [24]
Let's create expressions and equations to model this situation. Let Anthony's age be a.

"Jim is 3 times as old as his cousin, Anthony." Jim's age is 3a.
"The difference in their age is 18." 3a - a = 18

How old is Jim?

Let's solve the above equation for a to first find Anthony's age.

    3a - a = 18
    2a = 18
    a = 9

Remember, Jim's age is represented by the expression 3a. Substitute Anthony's age, 9, into the expression to find Jim's age.

    3a
    3(9)
    27

Answer:
Jim is 27 years old.
6 0
2 years ago
Simplify the following 3√28-5√63+4√112
alexandr402 [8]

7√7

using the ' rule of radicals '

• √a × √b ⇔ √ab

simplifying the radicals

√28 = √(4 × 7 ) = √4 × √7 = 2√7

√63 = √(9 × 7) =√9 × √7 = 3√7

√112 = √(16 × 7 ) = √16 × √7 = 4√7

substituting into the expression

3(2√7) - 5(3√7) + 4(4√7) = 6√7 - 15√7 + 16√7 = 7√7


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2 years ago
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Question 10
STALIN [3.7K]

69 is the answer to all questions.

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2 years ago
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Which statement is correct?
Lana71 [14]

Answer:

A line that falls from right to left has negative slope.

Step-by-step explanation:

Due to the fact that negative slope looks like this

5 0
3 years ago
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