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ch4aika [34]
3 years ago
15

Find x and answer in radical form

Mathematics
1 answer:
Pavel [41]3 years ago
3 0

Answer: 2sqrt(10)

Step-by-step explanation:

I'll do the top left one as an example, you can do the rest.

From the geometric mean theorem, we get that 5/x = x/8.

This rearranges to x^2 = 40

x = 40 = 2sqrt(10)

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Bridget, Brian & Caroline share some money in the ratio 4 : 9 : 4.
poizon [28]

Answer:

the answer is 54

Step-by-step explanation:

48 / 4 is 12, so then divide that by 2 so they split equally because theirs combined added to 48, so 6.

6 * 9 is 54

7 0
3 years ago
For what value of x is the equation 2x-3
Alex Ar [27]

Answer: x=2

Step-by-step explanation:Algebraically solve this equation. First subtract x from 2x which gets you just x. then subract 3 from 4 which gets you 1. Then subract 1 from 3 which gets you to the equation x=2. You can plug it in and check

2(2)-3-2+4=3 which is 4-3-2+4=3 which is -1+4=3 which is 3=3 which is correct.

Hope this helps :)

4 0
3 years ago
Can someone please explain how to get the answer plzzzzz
VikaD [51]

Multiply the two numbers first

6*3= 18

Divide the total volume by 18

144/18=6

Answer: Missing length is 6 ft .

3 0
3 years ago
the coordinate of J' after a reflection of the triangle is about the line y= -x. The coordinates of J is (-2,-1)​
Nuetrik [128]

The reflection line is located at y = -x

For point J, x is -2, so y = -(-2), which equals 2.

When it is a reflection across Y, the X values remain the same.

Find the distance of the Y point to the reflection line,

The distance from -1 to 2 is 3 units.

The new point needs to be the same distance from the reflection line.

2 +  3 units = 5.

Point J' would be (-2,5)

3 0
3 years ago
Multiply and combine like terms:<br> -5x – 4(9 – 2x)
Alex777 [14]

-5x-36+8x

3x-36

3(x-18)

3 0
2 years ago
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