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Anna007 [38]
2 years ago
11

If 5 apples cost $1.15, find the cost of 16 apples

Mathematics
1 answer:
irina [24]2 years ago
7 0

Answer:

<h2><u><em>3.68$</em></u></h2>

Step-by-step explanation:

If 5 apples cost $1.15, find the cost of 16 apples

  • we can solve with an equation

5 : 1.15 = 16 : x

x = 1.15 * 16 : 5

x = 18.04 : 5

x = <u><em>3.68</em></u>

<u><em></em></u>

check

5 : 1.15 = 16 : 3.68

4.34 = 4.34

the answer is good

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Find the equation of the quadratic function with zeros 10 and 12 and vertex at (11, -2).
Tanya [424]

Answer:

y=2x^2-44x+240

Step-by-step explanation:

we are given a quadratic equation

Let's assume formula of vertex form of parabola as

y=a(x-h)^2+k

where vertex is (h,k)

we are given

vertex =(11,-2)

so, h=11, k=-2

now, we can plug it

y=a(x-11)^2-2

now, we are given zeros at x=10 and x=12

we know that zeros will be x=10 , y is 0

so, we can plug x=10 and y=0 and solve for 'a'

0=a(10-11)^2-2

0=a-2

a=2

now, we can plug it back

and we get

y=2(x-11)^2-2

so, we get quadratic equation as

y=2x^2-44x+240

6 0
3 years ago
Any body got answer?
Yuliya22 [10]
240 centimeters why because i need point I don’t rlly know
7 0
3 years ago
(2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2)
solniwko [45]
Im assuming there is exponents so if im assuming correctly, then the answer would be 6x^4 - x^3 - 5x^2 + 10x + 5 because you would combine like terms. 
8 0
3 years ago
Read 2 more answers
Please help thank u.
Sever21 [200]

Answer:

-4, 3 1/2 JFURE8EGNRODG RE NEJEUSUEHEUE I did this for 20 characters

4 0
3 years ago
What is slope between the points (-5,7) and (4,-8)?
WINSTONCH [101]
The slope can sometimes be called the gradient, and the equation for the gradient is (y2 - y1)/(x2 - x1). So therefore, you'd do: (-8 - 7)/(4 - -5) which is (-15)/9) which is -1 2/3 or -1.6 (recurring), which is your answer. I hope this helps! Let me know if I've confused you :)
3 0
4 years ago
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