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AleksandrR [38]
3 years ago
12

Find 90% of 0.4No equation needed. ​

Mathematics
2 answers:
myrzilka [38]3 years ago
8 0

90% = 0.9

0.9 * 0.4

= 0.36

erma4kov [3.2K]3 years ago
3 0
......The answer is 0.36
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A ball is dropped from a certain height. The function below represents the height f(n), in feet, to which the ball bounces at th
natali 33 [55]

Answer:

9 represents the initial height from which the ball was dropped

Step-by-step explanation:

Bouncing of a ball can be expressed by a Geometric Progression. The function for the given scenario is:

f(n)=9(0.7)^{n}

The general formula for the geometric progression modelling this scenario is:

f(n)=f_{0}(r)^{n}

Here,

f_{0} represents the initial height i.e. the height from which the object was dropped.

r represents the percentage the object covers with respect to the previous bounce.

Comparing the given scenario with general equation, we can write:

f_{0} = 9

r = 0.7 = 70%

i.e. the ball was dropped from the height of 9 feet initially and it bounces back to 70% of its previous height every time.

7 0
3 years ago
Six friends equally share a bag of popcorn. The bag contains 9 cups of popcorn. How many cups of popcorn should each friend get?
nadya68 [22]
Six friend =6
A bag popcorn = 9
Share equally 9/6 = 1.5 bag for each person
7 0
3 years ago
Read 2 more answers
5.
oksano4ka [1.4K]
I only know A, I’m sorry but I hope it helps.

A) because the highlighted arc is bigger than a semicircle you already know that it’s a major arc, because a minor arc will always be smaller than a semicircle.
A) Major arc
5 0
3 years ago
Find the area of the composite figure. (round to the nearest hundredth)
8090 [49]
We know that
[the area of composite figure]=[area of rectangle]+[area of a half circle]

[area of rectangle]=b*h
where
b=the base
h=the height 
[area of rectangle]=b*h--------> 4.1*8.6---------> 35.26 cm²

[area of a circle]=pi*r²
where 
r=the radius
r=4.1/2-------> 2.05 cm
the figure is a half circle
then 
[area of a half circle]=pi*r²/2--------> pi*2.05²/2--------> 6.60 cm²

[the area of composite figure]=35.26+6.60--------> 41.86 cm²

the answer is
41.86 cm² 

8 0
3 years ago
The ratio of boys to girls on the bus is 20/15. Find three ratios equivalent to the described ratio
Lana71 [14]
Hey 4:3 is an equal ration to 20:15
8 0
3 years ago
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