3 years ago

Which of the following describes point C? (1, -2) (-2, 1) (-1, -2) (-2, -1)

Mathematics

1 answer:

AlekseyPX3 years ago

4 0

(-2,-1). We know this because if you find point c on the graph, you can count across and down to find the point.

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Is (4,3) a solution for<br> y=3x-9 <br> y=1/2+1

tamaranim1 [39]

(4,3) is a solution for y=3x-9 but not y=1/2+1.

8 0

3 years ago

Identify the vertex for the graph of y = 2x2 + 8x − 3. (2, 21) (2, 17) (−2, −11) (−2, −27)

Finger [1]

$\bf \textit{vertex of a vertical parabola, using coefficients}
\\\\
\begin{array}{lcccl}
y = & 2x^2& +8x& -3\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\qquad 
\left(-\cfrac{ b}{2 a}\quad ,\quad c-\cfrac{ b^2}{4 a}\right)
\\\\\\
\left( -\cfrac{8}{2(2)}~~,~~-3-\cfrac{8^2}{4(2)} \right)\implies \left( \cfrac{-8}{4}~~,~~-3-\cfrac{64}{8} \right)
\\\\\\
\left(-2~~,~~-3-8 \right)\implies (-2~~,~~-11)$

5 0

4 years ago

Read 2 more answers

Students are planting a flower bed for science class. The flower bed can be 4.5 ft wide and will be divided into 2 sections for

aksik [14]

Answer:

3(4.5) Because they equal the same thing

Step-by-step explanation:

4.5(+3)=13.5

3(4.5)=13.5

7 0

3 years ago

Michael has 1.85 in dimes and nickels.He has a total of 25 coins.how many of each does he have

creativ13 [48]

D+n=25 subtract d from both sides *(if your wondering what d and n are it stands for Dimes and Nickels)* n=25-d
0.10d+0.05= 1.85
0.10d+0.05(25-d)= 1.85
0.10d+1.25-0.05d= 1.85
0.05d = 0.60
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
My answer: He has 12 dimes (d=12) and 25-12=13 so 13 nickels.. Hope this helps! :)

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4 years ago

Please help I will give points

iVinArrow [24]

Answer:

1/32

Step-by-step explanation:

...

8 0

3 years ago