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yanalaym [24]
3 years ago
5

Please help I will give brainliest:) hurry! Answer carefully plss

Mathematics
1 answer:
Keith_Richards [23]3 years ago
3 0

Y = -3x^2 +4 is the answer to this problem

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Rick recorded the information shown below. What type of graph would be the most appropriate for Rick to use
Marina86 [1]

A Line graph

<em>Sure hope this helps you</em>

4 0
2 years ago
The product of two whole numbers is<br> 416 and their sum is<br> 42. What are the two numbers?
olga55 [171]

Answer:

The two numbers are <em>16</em> and <em>26</em>.

Step-by-step explanation:

We can solve this question using 2 simultaneous equations based on the given information from the question.

Let number 1 = x

Let number 2 = y

xy = 416 -> ( 1 )

x + y = 42 -> ( 2 )

We can use either substitution or elimination to solve simultaneous equations. For this question, we will use substitution as it is the easier and shorter option.

Make y the subject in ( 2 ):

x + y = 42 -> ( 2 )

y = 42 - x -> ( 3 )

Substitute ( 3 ) into ( 1 ):

xy = 416 -> ( 1 )

x ( 42 - x ) = 416

42x - x^2 = 416

-x^2 + 42x - 416 = 0

- [ x^2 - 42x + 416 ] = 0

- [ x^2 - 16x - 26x + 416 ] = 0

- [ x ( x - 16 ) - 26 ( x - 16 ) ] = 0

- ( x - 16 ) ( x - 26 ) = 0

x = 16 -> ( 4 ) , x = 26 -> ( 5 )

Substitute ( 4 ) into ( 3 ):

y = 42 - x -> ( 3 )

y = 42 - ( 16 )

y = 26

Substitute ( 5 ) into ( 3 ):

y = 42 - x -> ( 3 )

y = 42 - ( 26 )

y = 16

Therefore:

x = 16 , y = 26

x = 26 , y = 16

The two numbers are 16 and 26.

7 0
4 years ago
What two numbers multiply to get 25 and add to -10
SOVA2 [1]
x;\ y-the\ numbers\\\\  \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}
7 0
4 years ago
PLSS HELP LOOK AT PIC
Gemiola [76]

Answer:

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Your welcome

Step-by-step explanation:

(Pls tell me if the answer did not show it has been doing that to me)

5 0
3 years ago
Replace? with =, &gt;, or &lt; to make the statement true. 16 ÷ 4 + 12? 4 + 24 ÷ 2
AleksAgata [21]
<em><u>16/4+12 ? 24/2</u></em>
<em><u>4+12 ? 12</u></em>
<em><u>16 ? 12</u></em>
<em><u>?=></u></em>

<em><u>ANSWER: A - ></u></em>
6 0
3 years ago
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