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Dominik [7]
3 years ago
13

Help help help help (question 6)

Mathematics
1 answer:
garik1379 [7]3 years ago
8 0

Answer: I got C.

Step-by-step explanation: I squared both 3.9 and 9.7 which gave me 109.3. Then, I square rooted it and got 10.45 which rounds to 10.5. Hopefully, this is right.

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3х - y&gt;2 <br>2х + y&gt;23<br><br>solve the system of inequalities ​
Amanda [17]

Answer: x is greater than 5

Step-by-step explanation: pls mark brainliest

8 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description.16x2 + 8x + 1 = 0double rootreal a
SSSSS [86.1K]

Hello!

The discriminant of quadratic functions is: b² - 4ac. Since the equation is in standard form, which is Ax² + Bx + C = 0 , we can substitute those values into our discriminant and simplify.

The value of the discriminant will tell us how many solutions there are to the given quadratic equation.

A positive discriminant will have two real solutions.

A discriminant of zero will have one real solution.

A negative discriminant will no real solutions.

1. Substitute, a = 16, b = 8, c = 1.

8² - 4(16)(1)

64 - 4(16)(1)

64 - 64(1)

64 - 64

0

Since the discriminant is zero, the answer is choice A, double root, because since it is raised to the power of 2, it must has two roots, but in this case, both of the roots the same x-values.

3 0
3 years ago
FOR WHICH POLYGON ARE BOTH x= -1 and y= -2 lines of symmetry? ILL BRAINLIEST YOU IF YOU GET IT RIGHT HELP ME PLZ
snow_lady [41]

Answer:

C

Step-by-step explanation:

The line of symmetry is a line that splits the figure into 2 halves where each half is a mirror image of the other. In the third figure, if a line is drawn through x = -1, the halves mirror each other. If a line is drawn through y = -2, the top and bottom halves mirror each other.

3 0
3 years ago
What is the slope of the line?<br><br> ________
kondor19780726 [428]

Answer:

3 over 1

no problemnndjdjd

5 0
3 years ago
Mary ran 2 miles in about 23 minutes. If she continued the same pace, how long will it take her to run 10 miles?
natali 33 [55]
I think 115 min because its just 23 x 5 so you just multiply that to get the asnwer
8 0
4 years ago
Read 2 more answers
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