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Jet001 [13]
3 years ago
5

This is my first time, but my question is what is 7/8 of 20?

Mathematics
2 answers:
Goshia [24]3 years ago
6 0
17.5
Divide 7 by 8 to get .875 and multiply that by 20 to get your answer.

ivanzaharov [21]3 years ago
4 0
We should just multiply both of them together
\frac{7}{8} × 20
A whole number is always the numerator not the denominator
=\frac{7}{8} × \frac{20}{1}
=\frac{140}{8}
=17.5
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H(x) = 1/3x - 1 if h (15)
dalvyx [7]

Answer:

(

h

∘

f

∘

g

)

(

x

)

is known as a composite function. Here's how composite functions work:

let's say that  

x

=

1

. Your function  

g

(

x

)

=

1

3

(

x

)

now produces a  

y

output of  

1

3

, since  

g

(

1

)

=

1

3

(

1

)

. Within a composite function, the y-value of one function becomes the x-value of the next, like so:

g

(

1

)

=

1

3

⇒

f

(

1

3

)

=

17

3

⇒

h

(

17

3

)

=

17

Therefore,

(

h

∘

f

∘

g

)

(

1

)

=

17

Based on this, to find the function for  

(

h

∘

f

∘

g

)

(

x

)

(combined from right to left, by the way), simply replace  

x

in  

f

(

x

)

with the function  

g

(

x

)

, and replace  

x

in  

h

(

x

)

with the function of  

(

f

∘

g

)

(

x

)

, to get  

(

h

∘

f

∘

g

)

(

x

)

.

This, simplified, is equal to  

2

x

+

15

, and therefore  

(

h

∘

f

∘

g

)

(

1

)

=

2

(

1

)

+

15

=

17

Hope that helps!

5 0
3 years ago
At the movie theatre, child admission is
Dmitriy789 [7]
Child = $5.70
Adult = $9.80

- We can conclude that the amount of adult is double the amount of child tickets bought. (total of $556.60)

For this, you will need to divide the total amount by two and draw a tree chart with each of the numbers to get the seperation of the two. I would find out how many 9.80s or 5.70s go into $56.60 so you'll just have $500

7 0
2 years ago
My question is what is 69 x 420?
elena55 [62]

Answer:

28,980

Step-by-step explanation:

69 x 420 = 28,980

Beatifully written story/play!!!

Very innovative and just awesome!!!

5 0
2 years ago
Sixteen is seven plus three times a number find the number
Mama L [17]

Answer: x=3

Step-by-step explanation:

16 = 7 + 3x

9 = 3x

3 = x

:0

4 0
2 years ago
Darryl also needs to find a better deal on bread. Rank the stores from 1 to 4 based on their unit prices. Use the drop-down menu
Goryan [66]

Answer:

store A- 4

Store B-1

Store C-3

Store D- 2

Step-by-step explanation:

gotta help a brotha out if i was correct Drop a sub at iToxicMakersYT

8 0
2 years ago
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