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2 years ago

I need help number 15

Mathematics

1 answer:

AysviL [449]2 years ago

4 0

Answer:

(2, -4)

Search in the 4th Quadrant. (Bottom Right)

Move right 2 times.

Move down 4 times.

(-4, 2)

Search in the 2nd Quadrant. (Top Left)

Move left 4 times.

Move up 2 times.

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Find the value of each variable

kondaur [170]

Answer:

The correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

Step-by-step explanation:

Points to remember

The angles of a right angled triangle, 30°, 60° and 90° then sides are in the ratio, 1: √3 : 2

<u>To find the value of variables</u>

From the figure we can see 2 right angled triangle with angle 30, 60 and 90

we get, d= 5 then b = 5√3

b = 5√3 the c = 5√3 * √3 = 15

and a = 2 * 5√3 = 10√3

Therefore the correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

4 0

2 years ago

Read 2 more answers

The function f(x) = 6x + 5 is one-to-one.<br> Find an equation for f '(x), the inverse function.

Hatshy [7]

Switch the x and y values and isolate y, then simplify.
x=6y+5
6y=x-5
y=1/6x-5/6

4 0

2 years ago

PLS HELP! GIVING BRAINLIST!

svlad2 [7]

Answer:

We conclude that (4, 2) is NOT a solution to the system of equations.

Step-by-step explanation:

Given the system of equations

$y = x - 2$

$y = 3x + 4$

Important Tip:

In order to determine whether (4, 2) is a solution to the system of equations or not, we need to solve the system of equations.

Let us solve the system of equations using the elimination method.

$\begin{bmatrix}y=x-2\\ y=3x+4\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}y-x=-2\\ y-3x=4\end{bmatrix}$

Subtract the equations

$y-3x=4$

$-$

$\underline{y-x=-2}$

$-2x=6$

Now, solve -2x = 6 for x

$-2x=6$

Divide both sides by -2

$\frac{-2x}{-2}=\frac{6}{-2}$

Simplify

$x=-3$

For y - x = -2 plug in x = -3

$y-\left(-3\right)=-2$

$y+3=-2$

Subtract 3 from both sides

$y+3-3=-2-3$

Simplify

$y=-5$

The solution to the system of equations is:

(x, y) = (-3, -5)

Checking the graph

From the graph, it is also clear that (4, 2) is NOT a solution to the system of equations because (-3, -5) is the only solution as we have found earlier.

Therefore, we conclude that (4, 2) is NOT a solution to the system of equations.

8 0

2 years ago

Help!!! ASAP how to graph this!!!! Exaplain or graph it n send the pic

ankoles [38]

Answer:

https://www.symbolab.com/graphing-calculator

Step-by-step explanation:

this is a great thing to use

5 0

2 years ago

Which steps show how to use the distributive property to evaluate 7 . 82?

ryzh [129]

Answer is sus/11:,677(,//linkS.org

5 0

2 years ago

I need help number 15​

I need help number 15