Mr. Norris wrote a doubles fact It has a greater than 6. The numbers that he sum than 6. What fact added are each less might he have written?


Answer 1


answer is 4  + 4 and 5 + 5

Step-by-step explanation:

we have given that

1) wrote a doubles that is greater than 6

to find out

What added  each less might he have written

so we can say it could be

4 + 4 = 8

because number is added is less than 6 and sum greater than 6

and other is

5 + 5 = 10

so answer is 4  + 4 and 5 + 5

Answer 2
Answer: all u have to do is divide and you will get yo answer or you can also just multiply

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The sum of two numbers is 44.The larger number is 20 more than the smaller number. What are the numbers?


The smaller number is 'x' .
The larger number is (x+ 20)

Their sum is [ x + (x + 20 ]

2x + 20 = 44

Subtract 20 from each side:

2x = 24

Divide each side by 2 :

x = 12
x + 20 = 32
Let the numebrs be x and y.

x + y = 44
x = y + 20

Substituting the value of x,

(y + 20) + y = 44

2y + 20 = 44
2y = 24
y = 12.

x = y + 20
x = 12+ 20

Thus, x = 32.

Thus, the two numbers are 32 and 12.

Circles help!!!!!!!!!


The\ circumference\ of\ the\ circle:C=2\pi r\n\nr=9in;\ \pi\approx3.14\n\ntherefore\n\nC\approx2\cdot3.14\cdot9=\boxed{56.52\ in}\leftarrow\ \boxed{answer:\ \boxed{B}}
C = 2πr
C = 2(3.14)(9)
C = 6.28(9)
C = 56.52in
B. 56.52in

What is the debate among scientists on how new species form?



read explanation

Step-by-step explanation:

Like most areas of Evolutionary Biology, research related to the formation of new species - 'speciation ' - is rich in historical and current debate.

Final answer:

Scientists have different models explaining how new species form. This includes 'Gradual Speciation' and 'Punctuated Equilibrium' models which describe the pace of speciation. Additionally, they consider 'allopatric' and 'sympatric' speciation describing the mechanisms of speciation.


The debate among scientists on how new species form revolves around different models and patterns observed in nature. Two main models of speciation that scientists explore are the 'Gradual Speciation' model and the 'Punctuated Equilibrium' model.

Gradual Speciation proposes that species evolve slowly over an extended period due to slight genetic changes from generation to generation. On the other hand, Punctuated Equilibrium suggests that species remain unchanged for many generations and then undergo rapid changes to form new species in a relatively short period.

Another aspect of the debate involves the mechanisms of speciation, including 'allopatric' and 'sympatric' speciation. Allopatric speciation involves a geographical separation of populations from a parent species and subsequent evolution, while Sympatric speciation is speciation that occurs within a parent species while in one location.

Learn more about Speciation here:


What is the integer of elevation of 145 feet


It is -145 because u change it to a negative sense it is a integer 

Beverly can drive 600 miles in the same time as it takes Susan to drive 500 miles. If Beverly drives 10 mph faster than Susan, then how fast does Beverly drive?


t = D/rtimes the sameBev = Susan's time600mi/r+10 = 500mi/r
 600r = 500r + 5000100r = 5000r = 50mph, Susan's speed. Beverly's is 60 mph 50+10And...checking600/60 = 500/50 = 10hr
600/x +10 =500/x Cross multiply.
Check work. Beverly drives 60mph

Pierce wishes to purchase a municipal bond with a par value of $500 from Chattahoochee County, and he is trying to decide which broker he should employ to purchase the bond. Broker A charges a 3.1% commission on the market value of each bond sold. Broker B charges a flat $24 for each bond sold. If the bond has a market rate of 88.754, which broker will give Pierce the better deal, and by how much? a. Broker B’s commission will be $9.75 less than Broker A’s. b. Broker B’s commission will be $3.51 less than Broker A’s. c. Broker A’s commission will be $13.76 less than Broker B’s. d. Broker A’s commission will be $10.24 less than Broker B’s.




Step-by-step explanation:

Bond's par value = $500

market value of the bond = 88.754% * 500

                                           = 443.77

Commission rate charged by broker A = 3.1%

Commission of broker A = (3.1)/(100)*443.77

                                        = $13.75687

Commission of broker B = $24

Difference between the commission of broker A and broker B = 24-13.756

                                                                                                      = $10.24

Hence, (d) Broker A's commission will be $10.24 less then Broker B's.

Answer:He should take the option one of sales commission of 3.1% on

each bond. If he takes the 2nd option, he is required to pay 24$ per

bond. But if he takes the ist option, he is required to pay 15.5$ per bond.

88.754 is the market rate. Total investment is of 500$. Multiply the commission

rate with the amount and you get 15.5 $. There is a difference of 8.5 dollars

between the two options.

The answer is D