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3241004551 [841]
3 years ago
10

Plz help will mark brainliest

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0

Answer:

D) 8c²b/3

Step-by-step explanation:

the volume of one pyramid is 1/3(2c)(2c)(b) = 4c²b/3

two pyramids = (4c²b/3) x 2 = 8c²b/3

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Kendrick received 24 fewer e-mails than he did on Thursday. If he received a total of 126 e-mails on those two days, how many di
telo118 [61]
E+(e-24)=126

2e-24=126

2e=150

e=75

So (s)he recieved 75 and 75-24=51 emails  on those days.
3 0
4 years ago
enrollment in the ski/snowboard club increased by 30% this year. there are now 182 students in the club. how many students were
eduard
Enrolement increased by 30% that means last year=100%
incease of 30%=30+100=130% now

now=182

percent means parts out of 100 so
130%=130/100=13/10


182=13/10 of x (x represents the number last year)
of means multipy so
182=13/10 times x
multiply both sides by 10/13 to clear fraction
182 times 10/13=x=140



140 students last year
8 0
3 years ago
Find the inverse of f(x)=4x+3
zhuklara [117]

f(x) = 4x+3\\\\\text{Write f(x) as y = 4x+3}\\\\\text{Replace x with y,}\\\\x =4y +3\\\\\text{Solve for y:}\\\\ \implies x =4y+3\\\\\implies 4y = x-3  \\\\\implies y =\dfrac{x-3}4\\\\\implies f^{-1} (x) = \dfrac{x-3}4\\\\\text{This is the inverse of f(x)}

4 0
2 years ago
If you flipped the coin 100 times, how many heads would you expect to get? Explain your answer.
Irina18 [472]

Answer:

You would expect to get 50 heads

Step-by-step explanation:

Each time you flip a coin you will either get heads or tails. This means that you have a 1/2 probability of getting heads. If you use this then you need to multiply 1/2 and 100 to get the expected amount of heads. Multiplying by a half is just dividing by 2. Therefore, the answer is 100/2 = 50. The answer is 50 heads


5 0
3 years ago
If ​f(1)equals​5, must ModifyingBelow lim With x right arrow 1 f (x )​exist? If it​ does, then must ModifyingBelow lim With x ri
Mama L [17]

Answer:

Answer to all three points is NO.

Step-by-step explanation:

Case 1:

\lim_{x \to \>>1} f(x)= 1

Answer : NO, It is important to note that the even if function is not defined, the limit of function can exist and it doesn't mean that f(x) must necessarily be defined at x = 1

Case 2:

Answer : No, because it could be a piece wise function even if f is defined, where f(1) might have different values while approaching from right and left side of limits.

Case 3:

Answer: No, value of f(1) can not be concluded

3 0
3 years ago
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