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PolarNik [594]
3 years ago
14

What is the solution to the following system of equations

Mathematics
1 answer:
Zanzabum3 years ago
6 0

Answer: x=-2

Step-by-step explanation:

y=x+1

y=-x-3

-x-3=x+1

-4=2x

x=-2

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Que alguien me ayude cuanto hace q yo sali de escuela​
swat32

Answer:

a=20 m²

b=21 cm²

c=36 dm²

Step-by-step explanation:

A) 12²+16²=a²

144+256=a²

400=a²

√400=a

a=20

B) 28²+b²=35²

784+b²=1225

b²=1225-784

b²=441

b=√441

b=21

C) c²+15²=39²

c²+225=1521

c²=1296

c=√1296

c=36

7 0
3 years ago
Which statement best describes the effect of replacing the function f(x) = 2x + 2 with the function g(x) = 2x - 3?
FrozenT [24]
The correct answer is: <span>The graph shifts 5 units right

Explanation:
Below is the graph attached of both the equations:

Red line: 
Represents f(x) = </span><span>2x + 2.
Blue line: Represents g(x) = 2x - 3.

As you can see in the graph that g(x) is shifted 5 units right to f(x).

If you move towards right by 1 unit, you have to subtract 1 from f(x) until you reach g(x) like:
2x + 2 - 1 = 2x + 1 (1 unit)
</span>2x + 1 - 1 = 2x (1 unit)
2x - 1 = 2x - 1 (1 unit)
2x - 1 -1 = 2x - 2 (1 unit)
2x -2 - 1 = 2x -3 (1 unit)

Total 5 units.

Hence the correct answer is t<span>he graph shifts 5 units right.</span>

7 0
3 years ago
Read 2 more answers
The coach recorded the time it took 15 students to run a mile. The times are as follows: 9:23, 8:15, 9:23, 9:01, 6:45, 6:55, 7:2
r-ruslan [8.4K]

Answer:

Therefore, the four intervals are

(1)    6 - 6.59

(2)   7 - 7.59      

(3)    8 - 8.59      

(4)    9 - 9.59

The four frequencies are

(1)   4

(2)   3

(3)   1    

(4)  6

Step-by-step explanation:

From the data, we have

                     Interval                                                       Frequency

1st                 6 - 6.59                                                        4

2nd               7 - 7.59                                                        3

3rd                8 - 8.59                                                        1

4th                 9 - 9.59                                                       6

Therefore, the four intervals are

(1)    6 - 6.59

(2)   7 - 7.59      

(3)    8 - 8.59      

(4)    9 - 9.59

The four frequencies are

(1)   4

(2)   3

(3)   1    

(4)  6

5 0
3 years ago
How do I solve this??
olga_2 [115]

Answer:

Step-by-step explanation:

x + 29 + 12 = 89

x + 41 = 89

x = 48 for <CED

5 0
2 years ago
Leila has scored 33, 28, 24 and points in her three basketball games so far. How many points does she need to score in her next
zubka84 [21]
ANSWER:

24 points.

The amount of points Leila needs to score in her next game so that her average is 27 points per game is: 24 points.

STEP-BY-STEP EXPLANATION:

Let the amount of points Leila needs to score in her next game so that her average is 27 points per game = x

27 = total no. of points / total no. of games

27 = ( 33 + 28 + 24 + x ) / ( 3 + 1 )

27 = ( 85 + x ) / 4

27 × 4 = 85 + x

85 + x = 108

x = 108 - 85

x = 24
5 0
3 years ago
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