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andriy [413]
3 years ago
13

Please help me with this.

Mathematics
1 answer:
pshichka [43]3 years ago
6 0

Given:

The quadratic equation is:

3x^2-5x-2=0

To find:

Point that is the solution of given equation.

Solution:

We have,

3x^2-5x-2=0

The quadratic function of the above equation is:

y=3x^2-5x-2

Putting x=1, we get

y=3(1)^2-5(1)-2

y=3-5-2

y=-4

The function passes through the point (1,-4). It means (1,-4) is the solution of given equation but (1,5) is not a solution of given equation.

Therefore, the correct option is A.

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John walked x km. Sue has 3/7 walked less. Write an
maxonik [38]

Answer:

x - 3/7

Step-by-step explanation:

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3 years ago
The sum of two numbers is 36 twice the first number minus the second number is 6 find the numbers
Ilia_Sergeevich [38]

Answer:

14, 22

Step-by-step explanation:

x+y = 36

2×x - y = 6

=> x = 36 - y

=> 2×(36 - y) - y = 6

72 - 2y - y = 6

-3y = -66

3y = 66

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=> x = 36 - 22 = 14

3 0
3 years ago
A line passes through the point (–6, –2), and its y-intercept is (0, 1). What is the equation of the line that is perpendicular
Anna11 [10]

Answer:

Step-by-step explanation:

A line passes through the point (–6, –2), and its y-intercept is (0, 1). What is the equation of the line that is perpendicular to this line and passes through the point (2, 3)?

7 0
2 years ago
I WILL GIVE YOU BRAINLIST IF YOU ARE CORRECT! THIS IS FOR 30 POINTS!
Maksim231197 [3]

Answer:If she buys 60 tiles, the cost at both shops is the same.

If she buys less than 60 tiles, then the second shop is cheaper.

If she buys more than 60 tiles, then the first shop is cheaper.

Step-by-step explanation:

Explanation:

Let the number of tiles be

x

At the first shop: Cost =

$

0.79

×

x

+

$

24

=

0.79

x

+

24

At the second shop: Cost =

$

1.19

×

x

=

1.19

x

If the cost is the same:

1.19

x

=

0.79

x

+

24

   

←

solve for x

1.19

x

−

0.79

x

=

24

0.4

x

=

24

x

=

24

0.4

x

=

60

tiles

If she buys less than 60 tiles, then the second shop is cheaper.

If she buys more than 60 tiles, then the first shop is cheaper.

8 0
3 years ago
Helpp PLZ ITS DUE Tomorrow helppp
mihalych1998 [28]
1. 2 years
2. 35 days
3. 108 months
4. 2 weeks
5. 512 min
6. 7 weeks
7. 3 hours
8. 5 years
9. 63 days
10. 300 minutes
11. 180 months
12. 2400 minutes
13. 84 months
14. 42 days
15. 40 hours
I hope this helped I worked hard on this. c:
3 0
3 years ago
Read 2 more answers
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