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3 years ago

1. Which describes the intersection of plane A and line m?

Mathematics

2 answers:

FromTheMoon [43]3 years ago

7 0

Answer:

Step-by-step explanation: the answer is k

NeTakaya3 years ago

4 0

1. The intersection between plane A and line n is the point x
2. Since the right angle is bisected, the two smaller angles produced have measures of 45 degrees.
c. m∠CEB = 45°
3. There is only 1 line that can be drawn between J and K

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What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$

$2x - y = 3$

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

$x-y=-1$

Add y to both sides

$x-y+y=-1+y$

$x=-1+y$

Thus, option A) is true.

NOW LET US SOLVE THE REMAINING PORTION

$\mathrm{Subsititute\:}x=-1+y$ to solve for y

$\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}$

$-2+y=3$

$y=5$

For x = -1 + y

substitute y = 5

$x=-1+5$

$x=4$

Thus, the solution to the system of equations be:

$x = 4, y = 5$

3 0

2 years ago

Solve each of the following quadratic equations 3x=0.5x^2 0=5x^2-2x+6

UNO [17]

Question 1

$3x=0.5x^{2}\\\\6x=x^{2} \\ \\ x^{2}-6x=0 \\ \\ x(x-6)=0 \\ \\ \boxed{x=0, 6}$

Question 2

$0=5x^{2}-2x+6 \\ \\ x=\frac{2 \pm \sqrt{(-2)^{2}-4(5)(6)}}{2} \\ \\ x=\frac{2 \pm \sqrt{-116}}{10} \\ \\ x=\frac{2 \pm 2i\sqrt{29}}{10} \\ \\ \boxed{x=\frac{1 \pm i\sqrt{29}}{5}}$

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2 years ago

The cost of living last year went up 5%. Fortunately, Alice Swanson got a 5% raise in her salary from last year. This year sh

kompoz [17]

Answer:

49038.0952

Step-by-step explanation:

x+0.05x=51490

1.05x/1.05= 51490/1.05

x=49038.0952

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2 years ago

How do I do this please explain step-by-step!!

dedylja [7]

Answer:

3231433245

Step-by-step explanation:

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3 years ago

7/8 greater than or less than 2/4

Vaselesa [24]

Answer:

greater than

Step-by-step explanation:

7/8 is greater than 4/8

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3 years ago