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3 years ago

Choose two ordered pairs that belong in quadrant two screenshot included

Mathematics

1 answer:

hjlf3 years ago

5 0

Answer:

Answer (B) and (D)

Step-by-step explanation:

First we need to figure out: What is quadrant II about?

As said in the picture provided, quadrant II is in the upper left corner of a graph.

For a point to be in QII, the x values need to be negative, and the y values need to be positive.

B: (-4,2) and D: (-3,5) would belong in QII.

Their x values are negative, and the y values are positive.

Therefore, B and D would be the correct answers.

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Help plz 6(2x - 11) + 15 = 3x + 12

Ket [755]

Answer:

x = 7

Step-by-step explanation:

Lets do the brackets first,

6 × 2x = 12

6 × -11 = -66

------

Calculate the x constant:

12x - 3x = 9x

-------

Then the ones with no x:

-66 + 15 = -51

51 + 12 = 63

-------

Lastly, divide

63 ÷ 9 = 7

-------

Have a good day :)

3 0

3 years ago

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Tina can grow 2 plants with every seed packet. How many seed packets does Tina need to

AlladinOne [14]

Answer:

7 is the answer

Step-by-step explanation:

2x7=14

8 0

3 years ago

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2.1 & 2.2 Assessment: Vertex & Standard Form of Quadratic Functions

Brums [2.3K]

$~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill$

$\begin{cases} h=1\\ k=-9 \end{cases}\implies y=a(x-1)^2 - 9\qquad \textit{we also know that} \begin{cases} x=2\\ y=-7 \end{cases} \\\\\\ -7=a(2-1)^2-9\implies 2=a(1)^2\implies 2=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill {\Large \begin{array}{llll} y=2(x-1)^2 -9 \end{array}} ~\hfill$

6 0

1 year ago

Franco read 3/8 of a chapter of his history book in 1/5 of an hour. At this rate, how many chapters of his history book can he r

Irina18 [472]

He can read $1\frac{7}{8}$ chapters of his history book in 1 hour.

Explanation

Franco read 3/8 of a chapter of his history book in 1/5 of an hour.

Suppose, he can read $x$ chapters of his book in 1 hour at this rate.

So, the equation according to the ratio of 'the chapter to the time' will be....

$\frac{x}{1}= \frac{\frac{3}{8}}{\frac{1}{5}}\\ \\ \frac{x}{1}=\frac{3}{8}*\frac{5}{1}\\ \\ \frac{x}{1}=\frac{15}{8} \\ \\ x= \frac{15}{8}= 1\frac{7}{8}$

So, he can read $1\frac{7}{8}$ chapters of his history book in 1 hour.

6 0

4 years ago

The screen on briannas new phone is 2.85 centimeters long. what mixed number represents the length of the phone screen?

Mekhanik [1.2K]

We know that
the number $2.85$ is equal to

$2.85=2+0.85$

$0.85$ is equal to

$\frac{85}{100}$
divide by 5 both members

$\frac{85}{100} = \frac{17}{20}$

so
$2.85=2 \frac{17}{20}$

the answer is
$2 \frac{17}{20}$

8 0

3 years ago

Read 2 more answers