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jonny [76]
3 years ago
12

What is the structures found on the ventral surface of some fronds,called?

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0
The structure found in the ventral surface of some fronds is called the Indusium. This structure is a membranous outgrowth on the undersurface of fern leaves which protects and covers the structure of developing sporangia. It can be classified as true or false indusium. 
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How do you write 74171.7 in scientific notation
marin [14]
The answer is 7.41717 x 10^4 because you move the decimal to the left 4 spaces
6 0
3 years ago
Read 2 more answers
Help if u do both I’ll mark Brainlynest
amm1812

Answer:

See step-by-step explanation

Step-by-step explanation:

16. C, <AOB = 20

The total angle (<AOC) is equal to the sum of the angles inside of it (<AOB and < BOC).

<AOC= <AOB + <BOC

47=<AOB+27

<AOB=20

17. 24

Area of a square = s^{2}

36= s^{2}

s= 6

One side is 6

The perimeter of a square is 4(s)

4(6) = 24

Word of encouragement:

Good luck!

6 0
3 years ago
Read 2 more answers
The sum of two numbers is −21. One number is 55 less than the other. Find the numbers.
nika2105 [10]

Answer:

x = 17     y= -38

Step-by-step explanation:

x + y = -21

y = x - 55

It doesn't matter whether x or y is 55 less than the other right now.

<u>substitute for y:</u>

x + x - 55 = -21

<u>solve for x:</u>

2x = 34

x = 17

<u>solve for y:</u>

17 + y = -21

y = -38

6 0
4 years ago
Can someone fr help me with this like right now i’ll appreciate it sm
rjkz [21]

Step-by-step explanation:

Since

\frac{108}{72}  =  \frac{3}{2}

\frac{72}{48}  =  \frac{3}{2}

\frac{48}{32}  =  \frac{3}{2}

The function has a constant factor so we have a exponential function.

The equation of a exponential function is

y = a(b) {}^{x}

Where a is the initial value and b is the growth factor

The growth factor is 3/2,

The initial value in 32

y =  32 ( \frac{3}{2} ) {}^{x}

Plug in 4 for x.

You will get 162

Plug in 5 for x you will get

243.

2013- 162

2014- 243

8 0
2 years ago
Can somebody help me answer these plz?
Georgia [21]

120 would be the answer

5 0
3 years ago
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