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Nezavi [6.7K]
3 years ago
6

Can you please help me​

Mathematics
1 answer:
Slav-nsk [51]3 years ago
4 0

Answer:

C.

Step-by-step explanation:

Hi there!

To answer this, we must set it up as

3x(2x^4-12x^2+7)

Now we just use the distributive property to solve.

this becomes 6x^5-36x^3+21x

I hope this helps!

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ValentinkaMS [17]
The answer would be 7,6,5,4,3,2,1 inches tall in the chronological order
5 0
3 years ago
Read 2 more answers
Assume the parent function has been shifted up
mars1129 [50]

Answer:

If y=(x-2)^2+4 is the transformed function, then the parent function y=x^2 has been shifted up vertically by 4 units and horizontally right by 2 units

Step-by-step explanation:

Assume the function is y=f(x) is the parent function.

A vertical shift,b units up  will transform the function to y=f(x)+b .

A horizontal shift a units.

y=f(x-a)+b

For instance, if y=x^2, b=4, and a=2 units.  

Then the transformed function becomes:

y=(x-2)^2+4

6 0
3 years ago
Read 2 more answers
Brian tied a 136-foot rope around the perimeter of his rectangular house. He knows that the length of the house is 10 feet less
STALIN [3.7K]

Answer:

length 42 cm and width 26 cm

Step-by-step explanation:

Given

Since Brian tied 136 foot rope around the perimeter , hence perimeter of house is 136 foot.

Given that shape of house is rectangular.

formula to calculate perimeter of rectangle can be used which is 2*(L+B)

where L is length of rectangle and B width of rectangle

Let the L and B be length of rectangular side of house

According to question

length of house is 10 feet less than twice the width of house

mathematically it can be represented as

L = 2*B - 10  --->eq. 1

Perimeter of house = 136 feet

using formula of Perimeter of rectangle

136 = 2*(L+B)

substituting the value of length in terms of width from eq. 1 in formula of perimeter

=> 136/2 = 2*B - 10 + B  (2*B+ B = 3B)

=> 68 = 3*B - 10

=> 78 = 3*B

B = 78/3 = 26

Therefore B which is width = 26 CM

length = 2*B - 10= 26*2 - 10 = 52-10=42

length of house = 42  cm

Hence dimension of Brian's house is length 42 cm and width 26 cm

5 0
3 years ago
In two years what percent of his age will Benny’s mom be at that time since Benny is 12 and his mom is 48
Ksju [112]

Answer:

His mom’s age will be 1/% of Benny’s age at that time.

Step-by-step explanation:

14>>100%

1>>(100/14)%

50>>50(100/14)%

50>>25(100/7)%

50>>(2500/7)%

50>>357 1/7%

so in two years Benny will be 14 and his mom will be 50.

7 0
3 years ago
It took sandy two hours to jog 13 miles. She ran 7 1/2 miles in one hour. How far did she run during the second hour
Zarrin [17]

Sandy ran 5 ½ during the second hour.

  • Total amount Sandy used to jog for 2 hours = 13 miles
  • Amount Sandy used to run in the 1st hour = 7 ½
<h2>Further Explanation</h2>

Therefore the amount Sandy used to run in the 2nd hour = Total amount Sandy used to jog for 2 hours – Amount Sandy used to run in the 1st hour

= 13 – 7 ½ (and can be expressed as 7 + ½)

= 13 – (7 + ½)

= 13 – 7 – ½

= 6 – ½ (otherwise expressed as 6/1 – 1/2)

= (6 x 2) – (1 x 1) / 2

= (12) – (1) / 2

= 12 – 1 / 2

= 11/2

= 5 ½

Hence, Sandy ran 5 ½ miles during the second hour.

Based on the above expression, it is observed that there is an element of fractions in the math problem. Also, BODMAS was clearly used to derive the solution to the given question.

Recall, 13 – (7 + ½). The mathematical signs, (–) and (+) were multiplied; one of mathematics rule states that – x + = –; thus 13 – 7 – ½

Notably, fractions deal with denominators and numerators; and in these questions, with the help of BODMAS, they (6/1 – 1/2) were used to factor each other out to derive the final answer 5 ½.

LEARN MORE:

  • Numbers: brainly.com/question/2906770
  • mixed numbers brainly.com/question/12853142
  • fraction brainly.com/question/6201432

KEYWORDS:

  • bodmas
  • fractions
  • mathematical sign
  • denominators
  • numerators
7 0
3 years ago
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