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2 years ago

HELP PLSS plssssssss

Mathematics

1 answer:

Lunna [17]2 years ago

8 0

Answer:

TOO SMALL I CanT SEE THE QUESTION!!

Step-by-step explanation:

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Find the equation, (f(x) = a(x-h)2+ k), for a parabola containing point (-1,0) and having (-3, 4) as a vertex. What is the stand

vekshin1

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
vertex~(-3,4)\quad 
\begin{cases}
x=-3\\
y=4
\end{cases}\implies \stackrel{f(x)}{y}=a[x-(-3)]^2+4
\\\\\\
y=a(x+3)^2+4
\\\\\\
\textit{we also know that }(-1,0)\quad 
\begin{cases}
x=-1\\
y=0
\end{cases}\implies 0=a(-1+3)^2+4
\\\\\\
-4=4a\implies -1=a\qquad therefore\qquad y=-(x+3)^2+4$

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3 years ago

Mrs.Tampo has 17 students in her class last year and this year she had 25 students in math class what is the percent of change

Alla [95]

Answer:

32% decrease

Step-by-step explanation:

Solution:

Calculate percentage change

from V1 = 25 to V2 = 17

so:

7 0

2 years ago

Read 2 more answers

If a crate contains 25,500 ounces (oz) of rice, about how many kilograms (kg) does it contain? (1 lb = 16 oz, 1 lb = 0.454 kg)

Flauer [41]

$\frac{25,000 oz}{1} * \frac{1LB}{16oz} * \frac{0.454 KG}{1 LB}$ = 723.5625 kg

Answer: B

8 0

3 years ago

Read 2 more answers

Help please!!! I will give a gold medal.

morpeh [17]

Well assuming that this would be a typical triangle, and not a right angle one, knowing that the sum of all sides adds up to 180 degrees, simply add all of the expressions and one value and make it equal to 180, and then solve for x.

(6x-1) + (X+14) + 20 = 180
6x - 1 + X + 14 = 160
7x - 1 + 14 = 160
7x + 13 = 160
7x = 147
X = 21.

Now solve for the angles by plugging in X.

A = 6x - 1 = 6(21) - 1 = 125 degrees
C = X + 14 = (21) + 14 = 35 degrees.

I believe these are the solutions.

8 0

3 years ago

Can someone help me please id really appreciate it , i’ll give you brainliest

ozzi

Answer:

Alternate Exterior Angles Theorem

Step-by-step explanation:

By looking, we can see that they are exterior angles. Because 2 parallel lines are cut by a transversal, the angles are congruent.

4 0

2 years ago