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3 years ago

A scale drawing for a rectangular parking lot measures 6 cm by 12 cm. The scale is 5 cm: 25 m. Find the area of the parking lot.

Mathematics

1 answer:

den301095 [7]3 years ago

8 0

Answer:

1800 square meters.

Step-by-step explanation:

In order to find out the dimensions of the actual parking lot, you must convert the cm to meters. Since 25 is 5x5, we only need to multiply 6 and 12 by 5. From there, we get 6x5=30 and 12x5=60. This means the dimensions are 30 meters by 60 meters. Then, you just need to multiply 30 and 60, from which you get 1800.

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3 years ago

Logo y = x means: log base b of y equals x. True False

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If you meant to write $\log_{b}(y) = x$ then the statement is true.

As a more concrete example, something like $\log_3(81) = 4$ would be read out as "log base 3 of 81 is equal to 4".

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3 years ago

An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.

katrin [286]

Answer:

$20,475\ ways$

Step-by-step explanation:

we know that

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

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r represents the number of items being chosen at a time.

In this problem

$n=28\\r=4$

substitute

$C(28,4)=\frac{28!}{4!(28-4)!}\\\\C(28,4)=\frac{28!}{4!(24)!}$

simplify

$C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}$

$C(28,4)=\frac{(28)(27)(26)(25)}{(4)(3)(2)(1)}$

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5 0

3 years ago

Suppose you add two linear equations that form a system, and you get the result y = −2. how many solutions does the system have?

Butoxors [25]

This system will have 1 solution <==

** if it were to end like 0 = 4, or 2 = -3....no variables and numbers that dont equal....this means no solutions.

** if u were to end up with 5 = 5, or -9 = -9...no variables and numbers that do equal, then u will have infinite solutions

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3 0

4 years ago

Can anyone also help me solve this and explain?

lesya [120]

Step-by-step explanation:

A'B'/AB = 5.1/1.7 = 3

B'C'/BC = 7.2/2.4 = 3

A'C'/AC = 7.5/2.5 = 3

These ratios are equal to the scale factor. These ratios are the scale factor.

8 0

3 years ago