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vekshin1
3 years ago
15

Find the area of each figure.

Mathematics
1 answer:
taurus [48]3 years ago
8 0
176ft^2 first
141.3ft^2 second
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What does it mean to talk about the 'volume'of the rectangular box or cylindrical container?<br>​
valkas [14]

Answer:

What does it mean to talk about the ' volume ' of the rectangular box or cylindrical container

---------

It's how much it will hold, in cubic units.

It's a 3-dimensional value.

It's not restricted to rectangular boxes or cylinders

8 0
3 years ago
Jesse is filling spherical balloons. When full, one of these balloons has a diameter of 24\text{ cm}24 cm24, start text, space,
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Step-by-step explanation:

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3 years ago
1. Let a; b; c; d; n belong to Z with n &gt; 0. Suppose a congruent b (mod n) and c congruent d (mod n). Use the definition
lukranit [14]

Answer:

Proofs are in the explantion.

Step-by-step explanation:

We are given the following:

1) a \equi b (mod n) \rightarrow a-b=kn for integer k.

1) c \equi  d (mod n) \rightarrow c-d=mn for integer m.

a)

Proof:

We want to show a+c \equiv b+d (mod n).

So we have the two equations:

a-b=kn and c-d=mn and we want to show for some integer r that we have

(a+c)-(b+d)=rn. If we do that we would have shown that a+c \equiv b+d (mod n).

kn+mn   =  (a-b)+(c-d)

(k+m)n   =   a-b+ c-d

(k+m)n   =   (a+c)+(-b-d)

(k+m)n  =    (a+c)-(b+d)

k+m is is just an integer

So we found integer r such that (a+c)-(b+d)=rn.

Therefore, a+c \equiv b+d (mod n).

//

b) Proof:

We want to show ac \equiv bd (mod n).

So we have the two equations:

a-b=kn and c-d=mn and we want to show for some integer r that we have

(ac)-(bd)=tn. If we do that we would have shown that ac \equiv bd (mod n).

If a-b=kn, then a=b+kn.

If c-d=mn, then c=d+mn.

ac-bd  =  (b+kn)(d+mn)-bd

          =    bd+bmn+dkn+kmn^2-bd

          =           bmn+dkn+kmn^2

          =            n(bm+dk+kmn)

So the integer t such that (ac)-(bd)=tn is bm+dk+kmn.  

Therefore, ac \equiv bd (mod n).

//

3 0
3 years ago
A teacher has 36 pencils and 63 erasers to give away to 9 students. If the teacher wants each student to receive the same number
nika2105 [10]

Answer:

4 pencils and 7 erasers

Step-by-step explanation:

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63÷9=7

6 0
2 years ago
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In 2016, George Washington's birthday fell on Friday, February 12. On what day of the week does George's birthday fall in 2025?
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the Day falls one day after every year which means that this one will fall on a

Step-by-step explanation:

wedsnday

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