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Vlada [557]
3 years ago
8

Someone please help me!

Mathematics
1 answer:
andrezito [222]3 years ago
6 0
The standard form of a parabole is: (y-k) = a(x-h)², Where (h , k) are the coordinates of the vertex
In the example Vertex (3,1) ,
so (y-1) = a(x-3)². (a)
Now let's calculate a. The y-intercept coordinates(0 , 10), Replace in (a) x by 0 & y by 10:
(10-1) = a(0 - 3)²
9 = 9a and a=1
<u />The equation becomes : y-1 = (x-3)², Expand (y-1) = x²-6x+9
<u />and finally y = x² - 6x +10 (ANSWER C)
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What is the value of x?<br><br> x= <br> units
attashe74 [19]
By Pythagoras theorem

RQ^{2}= x^{2} + 16^{2}
RS^{2}= x^{2} + 9^{2}

SQ^{2}= RS^{2}  + RQ^{2}
SQ^{2}= x^{2} + 16^{2}  + x^{2} + 9^{2}
SQ^{2}=2 x^{2} +256+81
25^{2}=2 x^{2} +337
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8 0
3 years ago
Read 2 more answers
Can someone give me the answer and how you work this? -5 - (-10) = ?
erastovalidia [21]

Answer:

5

Step-by-step explanation:

-5 - (-10)

Here we have to use sign of multiplication rule.

negative * negative = positive

that is, -(-) = +

We use this rule and simplify.

- (-10) = + 10

Therefore, -5 + 10

When we have different sign of the numbers, we have to subtract from greatest to least number, then put the largest number sign in the answer.

-5 + 10 = + 5

Hence, the answer is 5

Hope this is will help you.

Thank you.

7 0
3 years ago
If we divide the numerator and denominator of (6/8) by 2, will its value be changed?
astraxan [27]

Answer:

Step-by-step explanation:

6/8 in simplest form is 3/4 but value is still the same so

1. no

3 0
3 years ago
Help me again please due today
Mazyrski [523]

Answer:

y-int. is -4 (red)

Step-by-step explanation:

8 0
3 years ago
Please help!! This topic is incredibly confusing and assistance is very much needed &amp; appreciated! Thanks :)
Artyom0805 [142]
I got 8/10 or 80% because if you add up all sandwichs together, you get 50, then you add up ham and tuna sandwichs and get 40 so 40/50 would be 80/100 to make it a percent or fraction.. hopefully this makes sense and i helped:) i wish i could just send the work to you so it could make more sense lol
7 0
3 years ago
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