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dsp73
3 years ago
13

The ratio of the number of giraffes to the number of monkeys in a zoo is 2 to 5. Which statement about the giraffes and monkeys

could be true? A. For every giraffe in the zoo, there are 10 monkeys. B. For every 10 giraffes in the zoo, there is 1 monkey. C. For every 4 giraffes in the zoo, there are 10 monkeys D.For every 10 giraffes in the zoo,there are 4 monkeys
Mathematics
1 answer:
amm18123 years ago
7 0

Answer:

C. For every 4 giraffes in the zoo, there are 10 monkeys

Step-by-step explanation:

The ratio of the number of giraffes to the number of monkeys in a zoo = 2 : 5

giraffes :  monkeys

      4    :       10

   4/2    :       10/2

      2    :       5

So, For every 4 giraffes in the zoo, there are 10 monkeys

   

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Read 2 more answers
In 1997, the average household expenditure for energy was $1,338, according to data obtained from the U.S. Department of Energy.
makvit [3.9K]

Answer:

Null hypothesis H0: µ = $1,338

Alternative hypothesis Ha: µ ≠ $1,338

Which means;

Null hypothesis H0; the average household expenditure for energy is equal to $1,338

Alternative hypothesis Ha; the average household expenditure for energy is not equal to $1,338

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

Therefore, for the case above;

Null hypothesis H0: µ = $1,338

Alternative hypothesis Ha: µ ≠ $1,338

Which means;

Null hypothesis H0; the average household expenditure for energy is equal to $1,338

Alternative hypothesis Ha; the average household expenditure for energy is not equal to $1,338

6 0
3 years ago
Consider that an = 4n-1 represents a sequence. What is the tenth term? A) 361 B) 512 C) 1,024 D) 4,096 E) 262,144
mel-nik [20]

Hello from MrBillDoesMath!

Answer:

Choice E.

Discussion:

Assuming that n >=1, a(n) = 4n -1, then

a(10) = 4(10) - 1 = 39    

but that doesn't match any of the answers...... hmm...

BUT

If you meant that a(n) = 4^(n-1),  then

a(10) = 4^(10-1) = 4^9 =  262144    

which is Choice E.

Thank you,

MrB

4 0
3 years ago
Solve the length of a rectangle is 6 feet more than twice the width. if the length is 24 feet, what is the width
rusak2 [61]

length is 6 feet more than twice the width

 length = 24

 so width = 24-6 = 18/2 = 9

with is 9 feet

8 0
4 years ago
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