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NikAS [45]
3 years ago
12

How can you tell when a quadratic equation has two identical, rational solutions?

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0
When the radicand equals zero
because if it is zero, there is no plus mius anything, you are left with -b/2a


Marysya12 [62]3 years ago
3 0
C, Because Of The Formula.

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Express -5/16 as a decimal.
Dafna1 [17]

Answer:

-0.3125

Step-by-step explanation:

3 0
4 years ago
The area of a square garden is 1/49 km ^2. How long is each side?
babunello [35]
1/49=x^2 where x is the side of the square

1/49=(1/7)^2, so the side length of the square is 1/7
3 0
3 years ago
30 pts if correct and will mark brainliest
Vladimir [108]

Answer:

{HR H O HY HG TR TO TY TG}

2600

Step-by-step explanation:

We can either get heads or tails on the coin and red yellow green or orange on the spin

HR H O HY HG

TR TO TY TG

There are 26 letters for the first space and 10 digits (0-9) for the second space and 10 digits (0-9) for the 3 space

26 * 10 * 10

2600

5 0
4 years ago
Read 2 more answers
Question 5 Multiple Choice Worth 1 points) (04.05 MC) Determine if the ordered pair (-1 , -5) is a solution to the inequality y≤
Zielflug [23.3K]

Answer:

(-1, -5) satisfies the inequality and will be the solution to the inequality.

From the attached figure, it is clear that  (-1, -5) is below the line.

Therefore, the correct option is:

''Yes, because 1-1, 5) is on the line​''.

Step-by-step explanation:

Given the inequality

y\le -\frac{3}{4}x-1

substituting (-1, -5)  to check whether it satisfies the inequality or not

-5\le \:-\frac{3}{4}\left(-1\right)-1

-5\:\le \:\frac{3}{4}-1

-5\:\le -\frac{1}{4}

TRUE

Thus, (-1, -5) satisfies the inequality and will be the solution to the inequality.

From the attached figure, it is clear that  (-1, -5) is below the line.

Therefore, the correct option is:

''Yes, because 1-1, 5) is on the line​''.

4 0
3 years ago
step by step on how to solve this equation by firstly collecting like terms; 7-5y = 3y-17
gtnhenbr [62]
Hello!

You can solve this algebraically

7 - 5y = 3y - 17

Add 5y to both sides

7 = 8y - 17

Add 17 to both sides

24 = 8y

Divide both sides by 8

3 = y

The answer is 3

Hope this helps!
4 0
4 years ago
Read 2 more answers
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