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Irina18 [472]
3 years ago
7

Please help me, i don’t understand this question nor how to do it !!!!

Mathematics
1 answer:
Fantom [35]3 years ago
6 0

Step-by-step explanation:

See attached picture.

First, compare the highest term of the dividend (x²) to the highest term of the divisor (x).  We need to multiply the divisor by x.

When we do that, we get x² + 5x.  Subtracting this from the dividend, we get -9x + 11.

Now repeat the process.  Compare the highest term of the new dividend (-9x) to the highest term of the divisor (x).  We need to multiply by -9.

When we do that, we get -9x − 45.  When we subtract from the new dividend, we get 56.

So the quotient is x − 9, and the remainder is 56.

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Write the expression 5x+2x^2-7+2x^3
avanturin [10]

2x^3+2x^2+5x-7, That would be the answer.

3 0
3 years ago
during the day the temperature in nome Alaska rose 35 the low temperature for the day was -22 what was the high temperature for
OLga [1]
To answer this question, we just need to subtract the low ( -22 ) from his much it rose ( 35 ).

35 - 22 \\ 13
So the highest temperature was 13.
3 0
3 years ago
The sales of homes in a new development have been increasing. In January, 5 homes were sold, in February,
Rama09 [41]

Answer: a_n=7n-2

Step-by-step explanation:

Let we consider sales of home in January as first term for sequence, then sales in February will be 2nd term and so on.

According to the given information, we have

First term : a_1=5

Second term :a_2= 12=5+7

Third term : a_3= 19=12+7

We can see that, Common difference = 7

Explicit rule for Arithmetic sequence :

a_n=a_1+(n-1)d

Put a_1=5 and d=7

a_n=5+(n-1)7\\\\ a_n=5+7n-7\\\\ a_n=7n+5-7\\\\ a_n=7n-2

The required  explicit rule that can be used to find the number of homes sold in the nth month of the year : a_n=7n-2

8 0
4 years ago
Read 2 more answers
What value of z is a solution to this equation?<br> 19+z=25<br> z = 6 or z = 7
Fittoniya [83]

Answer:

z=6

Step-by-step explanation:

25-19=6

19+6=25

6 0
3 years ago
Read 2 more answers
(Best answer gets brainliest, Good answers get 5 stars, all answers get thanks.)
elena55 [62]

Answer:

x=1

Step-by-step explanation:

To solve, we need to get x by itself. To do this, preform the opposite of what is being done to the equation, and everything that is done to one side, must be done to the other.

5(2x-8)+15= -15

First, subtract 15 from both sides, since 15 is being added

5(2x-8)+15-15=-15-15

5(2x-8)=-30

Next, divide both sides by 5 since 5 is being multiplied

5(2x-8)/5= -30/5

2x-8= -6

Add 8 to both sides, since 8 is being subtracted

2x-8+8= -6+8

2x= 2

Divide both sides by 2, since 2 is being multiplied

2x/2= 2/2

x=1

5 0
3 years ago
Read 2 more answers
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