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Keith_Richards [23]
3 years ago
8

Mr. Martin is giving a math test next period. The test, which is worth 100 points, has 29 problems. Each problem is

Mathematics
2 answers:
CaHeK987 [17]3 years ago
7 0

Answer:

The System of equation is x+y=29, 5x + 2y = 100.

Step-by-step explanation:

Given:

Let 'x' be the number of questions worth 5 points.

Let 'y' be the number of questions worth 2 points

Total Number of Problems = 29

So the Total Number of Problems is equal to sum of the number of questions worth 5 points and the number of questions worth 2 points.

Framing in equation form we get;

x+y=29.

Also Given:

Test is of Total Points = 100

Now Total points in test is equal to sum of the number of questions worth 5 points multiplied by  and the number of questions worth 2 points multiplied by 2.

Framing in equation form we get;

5x+2y=100

Hence The System of Equations are \left \{ {{x+y=29} \atop {5x+2y=100}} \right..

sashaice [31]3 years ago
7 0

I hope you did great! but i have to use this im very sorry

Step-by-step explanation:

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HELP WITH THIS QUESTION PLEASE!
belka [17]

Answer:

23.7°

9.1~ft

Step-by-step explanation:

Formula for the area of a sector of central angle n (in degrees) and radius r:

A = \dfrac{n}{360^\circ}\pi r^2

We have:

A = 100 ft^2

r = 22 ft

We need to find:

r

100 = \dfrac{n}{360^\circ}\pi (22^2)

n = 23.7^\circ

The central angle measures 23.7°.

Formula for the length of an arcs of a circle with central angle n (in degrees) and radius r:

s = \dfrac{n}{360^\circ}2 \pi r

We have:

n = 23.7°

r = 22 ft

We need to find:

s

s = \dfrac{74.4}{360}2 \pi (22 ft)

s = 9.1~ft

6 0
3 years ago
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3 years ago
Harrison plays a game in which he uses a net to catch balls that are randomly launched from holes in the ground. The height of o
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2 years ago
1. Mrs. Jones picks 3 flowers a day starting on Monday. How many does she have by Sunday?
Aleks04 [339]

Answer:

1. 18

2. 2412

Step-by-step explanation:

1. Monday 3

Tuesday 6

Wensday 9

Thursday 12

Friday 15

Sunday 18

_____________________________________________________

2.

603*4=2412

3 0
3 years ago
Solve the system using elimination.
Molodets [167]

Answer:

(-1, 3)

Step-by-step explanation:

x - 5y = -16  [Equation 1]

-x + 3y = 10 [Equation 2]

<u>Adding both equations</u>

  • x - x - 5y + 3y = -16 + 10
  • -2y = -6
  • y = 3

  • x - 5(3) = -16
  • x - 15 = -16
  • x = -1

<u>Solution</u> : (-1, 3)

5 0
2 years ago
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