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Oksi-84 [34.3K]
3 years ago
11

Help please ill give 12 points for the right answer

Mathematics
1 answer:
Aneli [31]3 years ago
8 0

It’s it four I think hope it helps

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(05.01)A scale drawing of a living room is shown below. The scale is 1 : 40.
matrenka [14]

Answer:

A=266\frac{2}{3}\ ft^2

Step-by-step explanation:

we know that

The scale is \frac{1}{40}

That means

1 unit in the drawing represent 40 units in the actual

or

1 inch in the drawing represent 40 inches in the actual

step 1

Find the actual dimensions of the living room

Multiply the dimensions of the living room in the drawing by 40

Length:\ 6(40)=240\ in

Width:\ 4(40)=160\ in

step 2

Convert inches to feet

Remember that

1\ ft=12\ in

To convert inches to feet , divide by 12

so

Length:\ 240\ in=240/12=20\ ft

Width:\ 160\ in=160/12=\frac{40}{3}\ ft

step 3

Find the area in square feet

Multiply the length by the width

A=(20)(\frac{40}{3})=\frac{800}{3}\ ft^2

Convert to mixed number

A=\frac{800}{3}\ ft^2=\frac{798}{3}+\frac{2}{3}=266\frac{2}{3}\ ft^2

4 0
3 years ago
Read 2 more answers
Solve using the quadratic formula or factoring ... 5=6x^2 + 13x
FromTheMoon [43]

Answer:

x = \frac{-5}{2} <u><em>or  </em></u>x = \frac{-1}{3}

Step-by-step explanation:

5 − 6 2 − 1 3 = 0

− 6 2 − 1 3 + 5 = 0 -6x^2-13x+5=0 −6x2−13x+5=0 − 1

( 6 2 + 1 3 − 5 ) = 0

7 0
3 years ago
Read 2 more answers
The cost of fighting crime in a country increased significantly during the period 1982–1999. Total spending on police, courts, a
Mice21 [21]

Answer:

t→+[infinity] [ P ( t ) ] = $62.957 billion

t→+[infinity] [ f ( t ) ] = $143.214 billion

Step-by-step explanation:

Given:

- Total spending on police, courts, and prisons in the period 1982–1999 could be approximated, respectively,

                         P(t) = 1.743*t + 29.84 billion dollars (2 ≤ t ≤ 19)

                         C(t) = 1.096*t + 10.65 billion dollars (2 ≤ t ≤ 19)

                          J(t) = 1.917*t + 12.36 billion dollars (2 ≤ t ≤ 19)

Find:

- Compute lim t→+[infinity] for:

   P ( t ) and P ( t ) + C ( t ) + J ( t )

Solution:

- The limit as t→+[infinity] for the above three function can be accounted for by considering the domain of each function.

- All functions : P ( t ) , C ( t ) , J ( t ) have the domain 2 ≤ t ≤ 19:

- So in other words, lim t→+[infinity] = lim t→19

- The limits are as follows:

            lim t→19 [ P ( 19 ) ] = 1.743*19 + 29.84 = $62.957 billion

- The function f ( t ) is as follows:

            f( t ) = P ( t ) + C ( t ) + J ( t ) = 4.756*t + 52.85 billion dollars

            lim t→19 [ f ( 19 ) ] = 4.756*19 + 52.85 = $143.214 billion

3 0
3 years ago
10 times as many as 5 tens is 5thousand
insens350 [35]

Answer:

This question does not make sense for very specific reasons

Step-by-step explanation:

1. 5,000 does not look like 5thousand

2. 10 times as many as 5 tens is not really a question at all

3. the question itself already contains the answer 5,000

3 0
3 years ago
a man buys a dozen cameras for $1800. He sells them at a profit of $36 each. Express his profit as a percentage of his selling p
Helga [31]

First of all, we need to deduce the price of a single camera:

\dfrac{1800}{12}=150

Now, we know that he profits 36 dollars from each camera. So, we are asking: which percentage of 150 is 36? We have

36 = 150\cdot\dfrac{x}{100}

This equation literally says: 36 is x-percent of 150. And we need to solve for x:

x=\dfrac{36\cdot 100}{150} =24

6 0
3 years ago
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