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MrRissso [65]
2 years ago
12

What number should go in box A on this number line? 4. 5. A​

Mathematics
1 answer:
cestrela7 [59]2 years ago
4 0

Answer:

5

Step-by-step explanation:

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Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Whi
maksim [4K]
There can only be two definite x-intercepts, so your goal it to find 2 numbers of x that, when plugged into the equation, give you the answer of 0. 1 is the first x-intercept(4-24+20 equals 0). The second one is 5 (100-120+20 equals 0). So the average is 3, so the axis of symmetry is 3 since 5+1=6, and 6/2=3

Honestly, there is an easier way to find the axis of symmetry. the equation would be -b/2a, where as b is the coefficient in the second part of the equation, while a is the first coefficient in the equation. -(-24) is 24, and 4*2=8, so 24/8=3

I hope I actually answered this the way you wanted. You asked for an equation, but I just answered the axis of symmetry with very simple equation initially and another equation
3 0
3 years ago
Read 2 more answers
Someone please help me
Darya [45]
They both are complementary, so their sum would be 90 degrees.
5x-12 + 4x+3 =90
9x - 9 = 90
9x = 99
x = 11

So, angle 1 = 5x-12 = 5(11)-12 = 55-12 = 43
angle 2 = 4x+3 = 4(11)+3 = 44+3 = 47

So, your final answers are: angle 1 = 43 degrees & angle 2 = 47 degrees

Hope this helps!
7 0
3 years ago
Can somebody plz answer all of them correct! (Only if u done this before)
swat32

Answer:

23) 53/100

24)2/5

25)3/5

26)11/50

27)17/50

28)19/1000

29)4/5

30)1/250

31)9/25

32)1 3/10

33)11 1/2

34) 7 3/40

Step-by-step explanation: Hope this helps!

7 0
3 years ago
What does 1000 x 10000
Fofino [41]

Answer:

10,000,000

Step-by-step explanation:

3 0
3 years ago
WILL GIVE BRAINLIEST a card is picked from the following card find the probability that the card drawn is purple
KiRa [710]

Answer: 2/7

Step-by-step explanation: if there are 7 cards and two of them are purple, we can show this as 2/7

8 0
3 years ago
Read 2 more answers
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