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aniked [119]
2 years ago
14

Katie is going to carpet her living room floor and drew the diagram shown below. What is the total area of carpet she will need?

Mathematics
2 answers:
Simora [160]2 years ago
5 0
Katie will need for her carpet/area of her carpet 194 ft squared
lana66690 [7]2 years ago
4 0
16 x 11 = 176
3 x 6 = 18

176 + 18 = 194 ft squared
You might be interested in
The sum of two numbers is 9 and the sum of their squares is 41. What is the larger number?
Sonbull [250]

The larger number is 5.

<u><em>Explanation</em></u>

Lets assume, the larger number is a and the smaller number is b

As the sum of two numbers is 9, so...

a+b= 9 ...............................(1)

Now, the sum of their squares is 41, so....

a^2 + b^2 = 41 .......................................(2)

First, solving equation (1) for b....

b=9-a

Now, plugging this b=9-a into equation (2) , we will get...

a^2 +(9-a)^2 = 41\\ \\ a^2 +81-18a+a^2 =41 \\ \\ 2a^2-18a+81 =41 \\ \\ 2a^2-18a+40=0\\ \\ 2(a^2 -9a+20)=0\\ \\ a^2 -9a+20=0\\ \\ (a-5)(a-4)=0\\ \\ a=5,4

If a=5 , then b=9-5=4

So, the larger number is 5.

5 0
3 years ago
Read 2 more answers
Help me out with this please
kakasveta [241]

Answer:

i think it is a but not shour

Step-by-step explanation:

7 0
3 years ago
Someone help me please
garri49 [273]

Answer:

  • 42 seats

Step-by-step explanation:

This represents an arithmetic progression with the first term of a = 15 and common difference of d = 3.

<u>The tenth row is the 10th term:</u>

  • aₙ = a + (n - 1)d

<u>The row 10 has:</u>

  • a₁₀ = 15 + 9*3 = 15 + 27 = 42 seats
7 0
2 years ago
Read 2 more answers
Can anyone please help me with this? i need a step by step explanation please! very appreciated:)
EastWind [94]

Answer:

Step-by-step explanation:

x and y are variables. That means they represent numbers that are unknown. When we solve for x or y, we are trying to find what number the variable represents.

Y is a number that equals both 5x-9 and 3x+7. If it is a number, it can only have one value, so we can say that 5x-9 and 3x+7 have the same value.

In other words, 5x-9 = 3x+7.

Another way of thinking about this step is substitution. y=3x+7, so in the equation y=5x-9, we can replace the y with 3x+7. It will give 3x+7 = 5x-9.

In either case, we have this new equation

5x-9 = 3x+7.

From here it's just simple algebra- subtract 3x from each side

2x -9 = 7

and add 9 to each side

2x = 16

and divide each side by 2.

x = 8.

All these steps work because if two things equal each other, when you do the same thing to both of them (such as add 9), the new values will still equal each other.

Now that we know that x = 8, we can take one of the original equations

y=5x-9

and put 8 in for x.

y=5*(8) -9.

If x represents the value 8, we can obviously switch out x for 8.

Now simplify

y=40 -9

y = 31

Now we know that x = 8 and y = 31.

5 0
3 years ago
Read 2 more answers
3 8
yaroslaw [1]

It's a, you can just do the vertical line test where if you put a line on that graph and it hits two or more points then it isn't a function but if it only hits 1 then it is

3 0
3 years ago
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