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postnew [5]
3 years ago
6

Plz help me with 2,3,4,5,6,7,8,9,10,11

Mathematics
1 answer:
Nana76 [90]3 years ago
6 0
2. prism
3. cylinder I think but could be a cone idk
4. triangular pyramid 
5. pentagonal pyramid 
6. cylinder
7. rectangular prism
8. idk 
9. hexagonal prism <span />
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Grade 8 math question plz show work
Nimfa-mama [501]
A. The population would be 120

You would find 20 percent of 100
To do that, you do 100× 0.2 and add that to 100

B. The population doubles

10×2= 20
20×2= 40, not 30

hope this helps!
6 0
3 years ago
One-fifth of a number plus 51 is equal to twice the number plus 42.
AlladinOne [14]

Answer:

1/5x+51=2x+42

Step-by-step explanation:

1/5 of x, the number, plus 51  is equal to 2 times the number plus 42.

3 0
2 years ago
Read 2 more answers
PLEASE HELP ME I AM HORRIBLE AT TRIGONOMETRY!!! TRIANGLES ARE SO HARD!!!
OleMash [197]

Answer:

A construction worker may use trigonometry when building the roof of a house. They may have to calculate the right angle that hypotenuse must sit at so water doesn't build up on the roof and cause leaks.

(this may be more of an architect's job, as they are the ones that design the houses)

or

An air traffic controller may use trigonometry to find how long it will take an airplane to land/how far the airplane is from the ground while it is in the sky (hypotenuse), based on its height from the ground (opposite) and the distance away from the runway it is (adjacent). They can also calculate the angle of elevation of the airplane from the tower they work in.

8 0
2 years ago
In the diagram, EFG= OPQ complete the statement
Igoryamba
2) EF is congruent to OP
3) angle P is congruent to angle F
4) angle G is congruent to angle Q (that weird upside down parentheses, I think that is a Q)
5) measure of angle O equals 110 degrees and it equals the measure of angle E
6)QO equals GE and it is 7km
7) triangle GFE is congruent to triangle QPO
8 0
2 years ago
Which is the longest?<br> A. 2 km<br> B. 25 m<br> C. 2,500 cm<br> D. 3,000 mm
Leona [35]
2km=2000m
25m=25m
2500cm=25m
3000mm=3m

Hence the longest is 2km=2000m
8 0
2 years ago
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