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kari74 [83]
3 years ago
11

Jerry solved the system of equations.

Mathematics
1 answer:
almond37 [142]3 years ago
5 0

Answer:

c

Step-by-step explanation:

The variable y in the second equation has a coefficient of 2 so it will be easy to divide the entire equation by 2.

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The pool at a resort needs a fence added around its lounge area for safety. The pool measures 20 feet by 40 feet and the lounge
Sergeeva-Olga [200]

Answer:

The amount of fence needed to surround the mentioned space is:

  • <u>200 feet</u>.

Step-by-step explanation:

To identify the amount of fence, you must take all the measurements given in the exercise:

  • Pool width = 20 ft
  • Pool length = 40 ft
  • Aditional area in each side = 10 ft

As each side has 10 additional feet, that is the lounge area, you must add 20 feet to each side of the pool, this is because, in the case of the width, you must add 10 feet to the right side and 10 feet to the left side, in the case of the length, you must add to each side 10 feet to the upper part and 10 feet to the lower part, in this form, the measurements of the fence must be:

  • Width of fenced area = 40 ft
  • Length of fenced area = 60 ft

As you know, the length has two sides and the length has two sides too, by this reason, we must multiply each value by 2 to obtain the amount of fence  to all four sides of the lounge area:

  • Amount of fence = 2(40 ft) + 2(60 ft)
  • Amount of fence = 80 ft + 120 ft
  • <u>Amount of fence = 200 ft</u>

As you can see, <u><em>the amount of fence needed to go around the lounge area is 200 feet</em></u>.

3 0
3 years ago
Mr. White is paid a weekly salary of $1,500. How much will he earn in a year?
maria [59]

Answer:

$78,000

Step-by-step explanation:

Because their are 52 weeks in a year and 52 X 1500 is $78,000

4 0
3 years ago
Read 2 more answers
G(n)=3n-1 <br> H(n)=n^2-3<br> Find (g*h)(-4)
IrinaVladis [17]

Answer:

Step-by-step explanation:

G(-4)=3(-4)-1=-13

H(-4)=(-4)^2-3=16-3=13

(G*H)(-4)=G(-4)*H(-4)=-13*13=-169

7 0
3 years ago
All questions are about this system of equations:
Amiraneli [1.4K]
5x + 18y = 23
x + 3y = 2 .....multiply by -5
----------------
5x + 18y = 23
-5x - 15y = -10 (result of multiplying by -5)
----------------add
3y = 13 <=== the resulting equation

8 0
4 years ago
Given: BOAT is an isosceles trapezoid. If T = 130°, find O.
kodGreya [7K]
180 - 130 = 50°
opposite sides add up to 180
6 0
3 years ago
Read 2 more answers
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