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Natalija [7]
3 years ago
10

Can I please get help with number 23 am stuck.

Mathematics
1 answer:
denpristay [2]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Use the elimination method by adding the equations together:

5x - 2y = 4

3x + 2y = 12

---> 8x = 16

x = 2

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I need help with this please ASAP!!!!!!!
ycow [4]

Answer:

2 in

Step-by-step explanation:

Square of 256 is 16.

16 divided by 8 (8 rows of squares on the board).

So, the side length of the small squares is 2 inches.

5 0
3 years ago
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Need help trying to figure out
docker41 [41]

Answer:

14

Step-by-step explanation:

\frac{18}{45}= \frac{x}{35}

18 x 35= 45x

630=45x

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6 0
4 years ago
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A window is being replaced with tinted glass. The plan at the right shows the design of the window. Each unit length represents
PolarNik [594]
The answer is $911.68.

After a little research on the internet, I found the design of the window.
First, you need to find the area of the window which is a composite figure made up of a rectangle and a circle. So, the total area (A) is the sum of the area of the rectangle (A1) and the area of the circle (A2).

Area of the rectangle with length l and width w is:
A = l * w
According to the image, l = 5 ft and w = 4 ft.
A1 = 5 * 4 = 20 ft²

Area of the circle with radius r is:
A = r²π
According to the image, r = 2 ft.
A2 = 2² * 3.14 = 12.56 ft²

The area of the window is:
A = A1 + A = 20 ft² + 12.56 ft² = 32.56 ft²

<span>The glass costs $28 per square foot, so to replace the glass will cost:
</span>32.56 ft² * $28/ft² = $911.68
7 0
4 years ago
Marisol is preparing a care package to send to her brother. The package will include a board game that weighs 4 lb and several 1
Evgesh-ka [11]

So what we gotta do is isolate the variable by

writing it out like this

4 1/4 25 those are the numbers where those go are like this

4x - 1/4 < 25 then move on to the next line on here we write out

4x + 1/4 - 1/4 < 25 + 1/4 (The reason why i put + 1/4 is because you have to isolate the variable by doing addition as well And i always find it easier to convert the fractions to decimals then after you make that line you make the next one like this you have to add 1/4 to 4x then take it away (which is 4x) then put that to the side like this 4x ? ? then we need to find those two ?s by adding 25 and 1/4 (or o.25) which is 25.25 then we need to add that to the second answer 4x ? 25.25 when you have this you need to find out which one is bigger so it is 4x<25.25 (or 25 1/4) then we need to divide 4 and 25.25 to get 6.25 so

the answer is  x < 6.25 so c is your awnser

3 0
3 years ago
A group of high school seniors took a scholastic aptitude test. The resulting math scores had a mean 504.7 with a standard devia
Paraphin [41]

Answer:

Her verbal score will be 754

7 0
4 years ago
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