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ivann1987 [24]
3 years ago
15

Which is the better buy, $8.47 for 7 pounds of apples or $11.07 for 9 pounds? Explain

Mathematics
1 answer:
kogti [31]3 years ago
8 0
8.47/7=1.21 per lb. 11.07/9=1.23 so $8.47 for 7lbs. is cheaper than 11.07 for 9lbs.
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three times a number is three more than twice the number which equation can be used to find the value of X the unknown number
Lyrx [107]
Let the value of the number be represented as x. 

Then, write out an equation; 

3x=2x+3 <--- Solve for x now 
3x-2x=3 
x=3 

Therefore the number is 3. 

Hope I helped :) 
7 0
3 years ago
Read 2 more answers
5) Beth is making brownies. She makes 5 batches of brownies on Saturda She uses 1/4 cup of butter in each batch. How much butter
Irina-Kira [14]

Answer:

the answer is 5/4. If you multiply 1/4 by 5 you get 1 1/4 which is the same as 5/4.

8 0
2 years ago
Which of the binomials below is a factor of this expression? 100A2 - 49B2
fomenos
Hello,

100a²-49b²=(10a)²-(7b)²=(10a-7b)(10a+7b)
===================================


7 0
3 years ago
Read 2 more answers
A fair die is rolled 5 times. What is the probability that a 3 is obtained on at least one of the rolls? Round your answer to th
Lerok [7]

Answer:

0.200

Step-by-step explanation:

The probability of obtaining a 3, in one roll of a fair die is 1/6.

Now, we have 5 rolls.

We now want to know the probability of a 3 showing up in at least one of the rolls.

This simply mean, we add the probabilities of three showing one time plus probability of three showing in 2 of the rolls e.t.c

This means we can have 3 showing up to 5 times.

We add the probabilities as follows:

(1/6) + (1/6)^2 + (1/6)^3 + (1/6)^4 + (1/6)^5 = 0.199974 = 0.200

3 0
3 years ago
PLEASE HELP!!!!!!!!!!
AnnZ [28]

Given:

The graph of an exponential function.

To find:

The function in the form of f(x)=ab^x.

Solution:

The general form of an exponential function is

f(x)=ab^x                ...(i)

From the given graph it is clear that the function passes through the points (0,4) and (1,7). It means these points will satisfy the function.

For x=0 and f(x)=4,

4=ab^0

4=a(1)

4=a

For x=1 and f(x)=7,

7=ab^1

Putting a=4, we get

7=4(b)

\dfrac{7}{4}=b

Substitute a=4 and b=\dfrac{7}{4} in (i).

f(x)=4\left(\dfrac{7}{4}\right)^x

Therefore, the required exponential function is f(x)=4\left(\dfrac{7}{4}\right)^x.

8 0
2 years ago
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