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defon
3 years ago
5

Which expression is a difference of cubes?

Mathematics
2 answers:
faltersainse [42]3 years ago
4 0
D.64c^15-d^27 

<span>(4c^5)^3 - (d^9)^3</span>
sveticcg [70]3 years ago
4 0
Hello! Thank you for your answer! I would be happy to help!

Final Answer: D. <span>64c^15 - d^27</span>
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Solve the inequality 3u+3(u+1)&gt;2u+7 and write the solution in interval notation.
strojnjashka [21]

<u>Given</u>:

The given inequality is 3u+3(u+1)>2u+7

We need to determine the solution of the inequality in interval notation.

<u>Solution of the inequality:</u>

The solution of the inequality can be determined by simplifying the inequality.

Thus, we have,

3u+3u+3>2u+7

       6u+3>2u+7

Subtracting both sides by 3, we get;

6 u>2 u+4

Subtracting both sides by 2u, we have;

4 u>4

Dividing both sides by 4, we get;

u>1

Writing it in interval notation, we get;

(1, \infty)

Thus, the solution of the inequality is (1, \infty)

5 0
3 years ago
340 students went to the first school dance, the last school dance 306 students attended. What is the percent of change between
Fofino [41]

Answer:

10.59%

Step-by-step explanation:

percentage of change is given by

{(old number - new number)/old number} * 100

_________________________

given

no. of student  went to the first school dance = 340

no. of student  went to the last school dance = 306

Percentage of change between two dance

= ((no. of student  went to the first school dance - no. of student  went to the last school dance)/ no. of student  went to the fist school dance)*100

= (340 - 306)/340 *100

= (36/340 )*100 = 10.59%

The percent of change between the two dances 10.59%.

4 0
3 years ago
A small hard drive measured 0.7553 centimeters across round to the nearest tenth
Alborosie

Answer:

0.8

Step-by-step explanation:

7 is in the tenth place since there is a 5 in the hundreds we round up to 8.

hope this helped =3

4 0
3 years ago
Will marl brainliest! Please help :,)
Gnom [1K]

Answer:

x= -4

Step-by-step explanation:

A line is 180 degrees. This means that we can use the equation

60+x+124=180

Simplify:

184+x=180

x= -4

We can check this answer by plugging it back in:

60 + (-4) +124 =180

180=180

I hope this helps!

6 0
3 years ago
Read 2 more answers
Time 6 years Interest rate 1.9% Principal- $850 What amount of simple interest will be earned? $16.15 O $96.90 $946.90 $9,690.00
Vaselesa [24]
Amount of simple interest will be earned is $96.90
5 0
3 years ago
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