4 years ago

Use the terms below to create a linear equation with a solution of x = 10 Terms: x 2 4 5

Mathematics

1 answer:

yulyashka [42]4 years ago

5 0

Answer:

$x = \frac{4 * 5}{2}$

Step-by-step explanation:

x = 10

x = 20 / 2

x = 4*5 / 2

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a rectangle is 5cm longer than its breadth, its perimeter is 26 find the length and breadth of the rectangle

xxTIMURxx [149]

If the perimeter is 26 and the length of one side of the rectangle is 5cm longer than its breadth,

26 - 5 - 5 = 16
16 / 4 = 4 ( rectangle has 4 sides. )

the breadth is 4cm.
so the length must be 4+5=9cm.

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3 years ago

The image of a parabolic lens is projected onto a graph. The image crosses the x-axis at –2 and 3. The point (–1, 2) is also on

Ierofanga [76]

Answer:

$y =-\frac{1}{2}(x +2)(x - 3)$

Step-by-step explanation:

Given

$x_1 = -2$

$x_2 = 3$

$(x,y) = (-1,2)$ --- a point on the parabola

Required

The equation

First, calculate the equation from the zeros

$y =k(x - x_1)(x - x_2)$

Substitute $x_1 = -2$ and $x_2 = 3$

$y =k(x - -2)(x - 3)$

$y =k(x +2)(x - 3)$

To solve for k, we substitute $(x,y) = (-1,2)$

$2 = k(-1+2)(-1-3)$

$2 = k(1)(-4)$

$2 = -4k$

Divide by -4

$k=\frac{2}{-4}$

$k=-\frac{1}{2}$

So, the equation is:

$y =k(x +2)(x - 3)$

$y =-\frac{1}{2}(x +2)(x - 3)$

8 0

3 years ago

I am very confused can you please show each step? Thank you very much!

kondaur [170]

< x is 90 degrees because triangle ABC is isosceles and AD bisects < BAC.
Triangle BAD is right angled so < y = 90 - <ABD
<ABD = <ACD ( because triangle ABC is isosceles
So < ABD = 47 degrees
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3 years ago

Higher Order Thinking. Explain how to add 3+3+4. Use pictures,numbers, or words.

Zinaida [17]

Answer:

Step-by-step explanation:

3 + 3 + 4

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10 symbols in all

Hope this Helps!!!

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3 years ago

Maria wrote the expression 5 more than the quotient of 60 and n. Write and algebraic expression that represents what Maria wrote

hjlf

Answer:

5+60=N

Step-by-step explanation:

its the algebraic way bc it says 5 more so you do 5+

7 0

3 years ago

Read 2 more answers