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VMariaS [17]
3 years ago
6

The sum of 13 and twice n

Mathematics
1 answer:
Llana [10]3 years ago
7 0

Answer:

13 + 2n

Step-by-step explanation:

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Greg has only nickels and dimes in his money box. He knows that he has more than $10 in the box. Let x represent the number of n
Andrews [41]

Answer: Draw a dashed line to represent the graph of , and shade the portion above the line for positive values of x and y

Step-by-step explanation: Let

x------> the number of nickels in the box

y------->the number of dimes in the box

we know that

so

Multiply by  both sides

-----> inequality that represent the situation

The solution of the inequality is the shaded area above the dashed line for positive values of x and y

The equation of the dashed line is

therefore

the answer is

Draw a dashed line to represent the graph of , and shade the portion above the line for positive values of x and y

4 0
3 years ago
HURRY PLEASE
Delicious77 [7]

Answer:

Infinite solutions

Step-by-step explanation:

2x−7y=12 (1)

−x+3.5y=−6 (2)

(2) x = 3.5y + 6

(1) 2(3.5y+6) - 7y = 12

7y + 12 - 7y = 12

12 = 12 (a true statement)

Since the variable got eliminated and we got a true statement, the system has infinitely many solutions.

One of the solutions:

(6,0)

8 0
3 years ago
Read 2 more answers
Find the diameter and the circumference of the circle below r=8cm
vfiekz [6]

Answer:

diameter = 16cm, circumference ≈ 50.27

Step-by-step explanation:

The radius is 8 centimeters, so the diameter should be twice of that because the radius is the distance from the middle of the circle to the edge while the diameter is from edge to edge passing through the middle of the circle. Therefore,

8 · 2 = 16cm

The equation for the circumference of a circle is 2πr. In this case, because nothing else is specified about π, we use 3.14. So,

2 · 3.14 · 8 ≈ 50.27

Hope this helped! Have a great day. ^^

3 0
2 years ago
A professional basketball player may be more than two feet taller than an olympic gymnast. how would their vertebra compare?
vovangra [49]
The <u>correct answer</u> is:

The basketball player's vertebrae may be bigger than the gymnast's.

Explanation:

There are several factors that influence height; for one, the length of the legs affects one's height.

Additionally, however, if someone has bigger vertebrae, then they would be taller than another person.
4 0
3 years ago
Read 2 more answers
Sasha's biweekly salary is $1540. what is her gross monthly salary?
Scilla [17]

Answer:

B. $3336.67

Step-by-step explanation:

Bi weekly means every 2 weeks

There are 52 weeks in a year,  so there are 52/2 = 26  26 pay periods for bi-weekly

1540*26 =40040 is the yearly salary

There are 12 months in a year

Divide the yearly salary by 12

40040/12 = 3336.67

This would be the monthly salary

5 0
3 years ago
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