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swat32
3 years ago
13

I neep help asap deadline 4:00pm

Mathematics
1 answer:
shutvik [7]3 years ago
5 0

Answer: B each charm costs 15 dollars

Step-by-step explanation: because each money increment is 15$ so the answer is $15

~Brainliest would be appreciated

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F(x) = 4x2 – 7x + 7<br> Find f (7)
Colt1911 [192]

Answer:

4×2÷8

so 8+7=15

=7x=15

so,x=15/7

5 0
2 years ago
Read 2 more answers
What is the equation of the following graph in vertex form? parabolic function going down from the left through the point negati
Anestetic [448]
A parabolic function's key characteristic is either having 2 x-intercepts or 2 y-intercepts. That is the reason why the standard form of parabolic functions are:

(x-h)^2 = +/- 4a(y-k) or (y-k)^2 = +/- 4a(x-h), where

(h,k) is the coordinates of the vertex
4a is the lactus rectum
a is the distance from the focus to the vertex

This is also called vertex form because the vertex (h,k) is grouped according to their variable.
 
Since we don't know any of those parameters, we'll just have to graph the data points given as shown in the picture. From this data alone, we can see that the parabola has two x-intercepts, x=-4 and x=-2. Since it has 2 roots, the parabola is a quadratic equation. Its equation should be

y = (x+4)(x+2)
Expanding the right side
y = x²+4x+2x+8
y = x²+6x+8
Rearrange the equation such that all x terms are on one side of the equation
x²+6x+___=y-8+___
The blank is designated for the missing terms to complete the square. Through completing the squares method, you can express the left side of the equation into (x-h)² form. This is done by taking the middle term, dividing it by two, and squaring it. So, (6/2)²=9. Therefore, you put 9 to the 2 blanks. The equation is unchanged because you add 9 to both sides of the equation.

The final equation is 
x²+6x+9=y-8+9
(x+3)²=y+1

6 0
3 years ago
41°F equals how many degrees Celsius? A. –5°C B. 5°C C. 9°C D. 56°C
Ludmilka [50]
The answer is B. 5 degrees celcius
The formula is
(temprature in celcius)=(temprature in fahrenheit -32) *5/9
or
Temprature in celcius=( temprature in fahrenheit-32) * 1.8
5 0
3 years ago
Should be 2/5 I'm doing the test rn
xz_007 [3.2K]

whats the question you are just saying the answer

5 0
2 years ago
Read 2 more answers
If you have 3 cups of pineapple juice how many cups can you make?Juice recipe:Ginger ale:40% orange juice:25% pineapple juice:20
katen-ka-za [31]
If 3 cups is 20% of the whole mixture, then you multiply both numbers by 5 to find the total amount of juice. 3•5=15 cups of juice
8 0
3 years ago
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