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arlik [135]
3 years ago
14

Which graph is correct for the equation

Mathematics
2 answers:
ANEK [815]3 years ago
6 0
Graph it on demos and it should show you
Brrunno [24]3 years ago
5 0

Answer:

I think the answer is C.

Step-by-step explanation:

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What is the slope of the line threw (-9,6) and (-3, 9)
DerKrebs [107]

Slope = (y2-y1)/(x2 - x1)


Slope = (9 - 6)/(-3- (-9)) = 3/6 = 1/2


Answer: 1/2

4 0
3 years ago
Read 2 more answers
A student ID number is a letter of the alphabet followed by 2 digits. How many different IDs are possible if the digits can be r
mars1129 [50]
First, there are 26 distinct alphabets and 10 distinct digit numbers.

Then, the first digit of ID has 26 possibilities.

For the rest of 2 digits, the total cases are 10*10 = 100 possibilities.

However, there are 10 cases are repeated when two digits are the same. so you have  to subtract it by 10

So answer will be 26 * (100-10) = 23400

4 0
3 years ago
Arianna went running for 0.75 hours and ran 5.55 miles. What was her speed, in miles per hour, if Arianna
Nataliya [291]

Answer:

7.4 miles per hour

Step-by-step explanation:

To find her speed in miles per hour, divide the amount of miles she ran by the number of hours:

5.55/0.75

= 7.4

So, her speed is 7.4 miles per hour

6 0
3 years ago
Hi. I need help with these questions.<br> See image for question. <br> Please answer no 10 and 11
Tanya [424]

9514 1404 393

Answer:

  10. (x, y) = (-3/8, 2 9/16)

  11. k = -1

Step-by-step explanation:

10. The value of x at the vertex is ...

  x = -b/(2a)

  x = -(-3)/(2(-4)) = -3/8

The corresponding value of y is ...

  y = 2 +(-3/8)(-3 +(-3/8)(-4)) = 2 +(-3/8)(-3/2) = 2 +(9/16)

The vertex is (x, y) = (-3/8, 2 9/16).

__

11. The discriminant is zero when the roots are equal.

  b² -4ac = 0

  (k-1)² -4(1)(-k) = 0

  k² -2k +1 +4k = 0

  k² +2k +1 = 0 . . . . . collect terms

  (k +1)² = 0 . . . . . . . . write as a square

  k = -1 . . . . . . . . . . . . the value of k that satisfies

<em>Check</em>

  x² -2x +1 = (x -1)² = 0 . . . . has equal roots: x=1.

3 0
3 years ago
Help pleaseeeeeee guys !
emmainna [20.7K]

Answer:

the second one and the fourth one .

Step-by-step explanation:

trust me when i saw the answer that one gave me good energy

7 0
3 years ago
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