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Lunna [17]
2 years ago
11

Plz help Find ‘x’ & ‘y’

Mathematics
1 answer:
just olya [345]2 years ago
3 0

Answer:

x=20. y=15

Step-by-step explanation:

in similar triangles the sides are all in proportion. this means:

\frac{25}{5}  =  \frac{x}{4}  =  \frac{y}{3}

\frac{25}{5}  = 5

so:

\frac{x}{4}  = 5

x=5×4

x=20

and...

\frac{y}{3}  = 5

y=3×5

y=15

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If the eyepiece of a compound microscope has a magnification power of 10X and the objective lense has a magnification power of 4
aleksandrvk [35]

Answer:

Total magnification of microscope at this setting is 40X

Step-by-step explanation:

Total magnification of microscope is determined by multiplying the magnification power of individual lenses.

So if eyepiece has magnification power of 10X and objective lense has magnification power of 4X , the total magnification of microscope would be

10 × 4 = 40

which means the object will appear 40 times larger than actual object.

6 0
3 years ago
Which operation should be performed first according to the order of operations?
WARRIOR [948]
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3 0
3 years ago
the area of a square mirror is 256 inches squared. A Rectagular mirror has a width the same as the square mirror`s width.Its len
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Take the square root of 256 to find the side length of the mirror
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3 0
3 years ago
Identify the factors of x2 + 16y2.
BabaBlast [244]

The way to find the factores is by seeking the polonomial's roots, or zeros!

To find the roots, we set the polinomial equation to zero:

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Then we solve this equation:

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3 0
3 years ago
Read 2 more answers
If it takes 1/2 day to write a report, how much will be completed after 1/4 of a day?
lana [24]

Answer:

You have completed only half in a 1/4 of a day

Step-by-step explanation:

think of it this way

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i hope this helps

7 0
3 years ago
Read 2 more answers
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