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2 years ago

12

NO LINKS!!! Part 2:

" alt="y = \sqrt{x} " align="absmiddle" class="latex-formula">
Shape:
Domain:
Range:

2 answers:

kap26 [50]2 years ago

6 0

<u>Given:</u>

A square toot function y = √x

--------------------------------------------------------------------

<u>Shape</u>: half of a parabola

<u>Domain</u>: Non- negative numbers x∈ [0, +∞)

<u>Range</u>: Non- negative numbers y∈ [0, +∞)

garik1379 [7]2 years ago

3 0

Range: 3.5, 1.5

Shape: Right angle

Domain: f(x)=x²

g(x)=1/x

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John got 24 out of 25 total questions correct on his test. What percent did he score on his test?

mamaluj [8]

Answer:

24 out of 25 is equal to 96%

96% = A

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

umka2103 [35]

Answer:

$X = \begin{bmatrix} - 4 & 1 \\ - 2 & - 7\end{bmatrix}$

Step-by-step explanation:

$\begin{bmatrix} - 1 & - 2\\ 4 & 8\end{bmatrix} +X = \begin{bmatrix} - 5 & - 1\\ 2 & 1\end{bmatrix}$

$X = \begin{bmatrix} - 5 & - 1\\ 2 & 1\end{bmatrix}-\begin{bmatrix} - 1 & - 2\\ 4 & 8\end{bmatrix}$

$X = \begin{bmatrix} - 5-(-1) & - 1-(-2)\\ 2-4 & 1-8\end{bmatrix}$

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$X = \begin{bmatrix} - 4 & 1 \\ - 2 & - 7\end{bmatrix}$

7 0

3 years ago

two person A and B spent a total of pkr 486 .Person A spent twice as much money as person B. How much money did person A spend

Phoenix [80]

9514 1404 393

Answer:

pkr 324

Step-by-step explanation:

Person A spent 2/3 of the total money spent, so ...

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8 0

2 years ago

Solve each system by elimination.<br> 1) 10x + 7y=9 -4x - 7y=9

stellarik [79]

Answer:

(3, -3)

Step-by-step explanation:

When asked to solve by elimination, you put them on top of one another, like you're going to add it.

10x + 7y = 9

-4x - 7y = 9

See that 7y? You can cancel those out because one is negative, and one is positive. So those are gone. You finish adding the rest of the numbers as usual and solve for x.

6x = 18

x = 3

Take x, and plug it into either equation to find y.

10(3) + 7y = 9

7y = -21

y = -3

(3, -3)

Hope this helped!

8 0

2 years ago

System of equations by substitution<br> how do this?<br> y= x+2<br> y= -4x+7

jekas [21]

Equations are given,
y= x+2
<span>
y= -4x+7

As you can see both the expressions, x+2 and -4x+7 are equal to "y". That means they are equal to each other too.

So let's equal them and solve it.

</span> $x+2=-4x+7\\ \\ x+2+4x=7\\ \\ x+4x+2=7\\ \\ 5x+2=7\\ \\ 5x=7-2\\ \\ 5x=5\\ \\ x=\frac { 5 }{ 5 } \\ \\ x=1$
<span>
Now we have x's value we will plug it in the first equation to find "y".

</span> $x=1\\ \\ y=x+2\\ \\ y=1+2\\ \\ y=3$
<span>
(1,3)</span>

8 0

3 years ago