Mathematics High School

please help! struggling a lot.

Answers

Answer 1

Answer:

x=2<br/>y=1

Step-by-step explanation:

\left\{ \begin{array} { l } { 4 x + y = 9 } \\ { 3 x - 2 y = 4 } \end{array} \right.

4x+y=9,3x-2y=4

4x+y=9

4x=-y+9

x=\frac{1}{4}\left(-y+9\right)

x=-\frac{1}{4}y+\frac{9}{4}

3\left(-\frac{1}{4}y+\frac{9}{4}\right)-2y=4

-\frac{3}{4}y+\frac{27}{4}-2y=4

-\frac{11}{4}y+\frac{27}{4}=4

-\frac{11}{4}y=-\frac{11}{4}

y=1

x=\frac{-1+9}{4}

x=2

x=2,y=1

Related Questions

Evaluate the polynomial for the given value of x.
- 4x5 - 5x4 – 3x3 - x? for x = -2
A. 97
B. 68
C. 64
D. 63

Answers

Answer:

I might be wrong but I think it is A

Solve for elimination x-4y= -9 and -x+3y=7

Answers

Answer: x=-1 and y=-2

Explanation:
Hope this helps :)

What is included between two congruent sides in an isoceles triangle

Answers

In an isosceles triangle that has exactly two equal sides, the equal sides are called legs and the third side is called the base. The angle included by the legs is called the vertex angle and the angles that have the base as one of their sides are called the base angles.

On a unit circle, the vertical distance from the x-axis to a point on the perimeter of the circle is twice the horizontal distance from the y-axis to the same point. What is sin of theta

Answers

Answer:

2/√5

Step-by-step explanation:

A unit circle is a circle of unit radius. This means that the radius of a unit circle is 1.

Let a represent the horizontal distance. Therefore the vertical distance = twice the horizontal distance = 2a

We can get the hypotenuse using Pythagoras theorem:

hypotenuse² = a² + (2a)²

hypotenuse² = a² + 4a²

hypotenuse² = 5a²

hypotenuse = √5a²

hypotenuse = a√5

sin(θ) = opposite / hypotenuse

sin(θ) = vertical distance / hypotenuse

sin(θ) = 2a / a√5

sin(θ) = 2/√5

How much should Mr.Ajay and his wife save ina month to achieve their financial goal?

Answers

Answer:

RM 1000

Step-by-step explanation:

Down payment = 10% of 600 000

[tex]= \frac{10}{100}*600000[/tex]

= RM 60000

5 years = 5 * 12 = 60 months

Amount to be saved in a month = 60000 ÷ 60

= RM 1000

When dividing 3x4 – x^2 – 2x + 6 by 2x2 - x - 5, the remainder will be ...?

Answers

Answer: -7.5 maybe

Step-by-step explanation:

Ben creates a pattern using the rule “add 5.” Laura creates a pattern using the rule “add 10.”
Ben’s pattern: 0, 5, 10, 15, 20, 25

Laura’s pattern: 0, 10, 20, 30, 40, 50

Which is true?

Answers

Answer:

both

Step-by-step explanation:

you count my 5s like 5, 10, 15, 20, 25

you count by 10s like 10, 20, 30, 40, 50

In which quadrant does the point (13, 18) lie

Answers

Answer:

Quadrant 1

Step-by-step explanation:

how I understood this is first understanding how a graph works. Once you understand that you can count 13 horizontal on the "X" Axis, then go 18 up on the "Y" axis. you should get a point in the upper left area and that area is called Quadrant 1. Say if 13 was negative instead of going horizontal east you would go horizontal west. And the point should end up in Quadrant 2. Any more questions feel free to ask me below.

Store A sells a set for $25 and offers a 10% discount. Store B sells a set for $27 and offers a 20% discount. Store C sells a set for $26 and offers a 15% discount.

Answers

Answer:

store a's set after discount is $22.5

store b's set after discount is $21.6

store c's set after discount is $22.1

so store b would be the cheapest hope this helps please give me brainliest

Step-by-step explanation:

Find the value of x in each parallelogram. BOX YOUR ANSWERS!!!!
1.
2.
60°
3.
60°
154
35
4.
5.
85
6.
2
51°
82"

Answers

Answer:

1. 120

2. 26

3. 145

4. 95

5. 129

6. 98

Step-by-step explanation:

Number 1:

Remember: Diagonals are congruent (in this case scenario).