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ozzi
3 years ago
5

Which algebraic expression is equivalent to the expression below?

Mathematics
2 answers:
kirza4 [7]3 years ago
6 0
4x2+20x+25 is the A

Anarel [89]3 years ago
4 0

Answer:

A. 4x²+20x+25

Step-by-step explanation:

Because of PEMDAS, you calculate the value inside of the parenthesis first, so you expand [2x+1-(4x+6)]:

2x+1-4x-6 = -2x-5.

Then apply the exponent:

(-2x-5)² = (-2x-5)(-2x-5) = 4x²+10x+10x+25 = 4x²+20x+25

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Gisele trains 7 days per week for a biathlon. She covers a total of 20 miles cycling and running each day. Gisele cycles a total
IgorLugansk [536]

The choice which describes the solution is; The solution is 5, which represents the number of miles she runs each day.

<h3>Word problems</h3>

According to the task content;

  • The total distance covered running and cycling per day is; 20miles

  • Additionally, she cycles a total of 105 miles each week.

From the statement above; it follows that;

The number of miles she cycles per day since 7 days make a week is;

  • 105/7 = 15.

Hence, it follows that the equation; (15+r) = 20 represents the daily distance covered by cycling and running.

On this note, it follows that;

  • r = 20 -15 = 5.

Hence, The solution is 5, which represents the number of miles she runs each day.

Read more on word problems;

brainly.com/question/21405634

4 0
2 years ago
Need help on this!!!!
Alexxandr [17]

Answer:

It's the first one.

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Find the indicated real n th root (s) of a n =2 a=36
ASHA 777 [7]

Answer:

yean um its 13

Step-by-step explanation:

3 0
3 years ago
Help with 58 plzzzz thanks
DanielleElmas [232]
The answer is : D. 2*2*2*2*2*5
6 0
3 years ago
Read 2 more answers
Help help help pls NO links I can’t open them:( pic is above
Natali5045456 [20]

Answer:

a) 36°

b ) 18°

Step-by-step explanation:

The formula is given as:

The measure of each exterior angle =360°/n, where n = number of sides of a polygon.

a) decagon

Decagon = 10 sides

Hence, the measure of each exterior angle = 360°/10

= 36°

b) 20-gon

20-gon = 20 sides

Hence, the measure of each exterior angle = 360°/20

= 18°

8 0
2 years ago
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