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3 years ago

I need help with this geometry

Mathematics

1 answer:

serg [7]3 years ago

5 0

Answer:

Step-by-step explanation:

If the top one was 46 and the other was 44 there is a 2 difference so subtract 3 from 36.

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Can somebody please help me with this:)

max2010maxim [7]

Answer: 4=-2x -1 and y=-1 2x

8 0

3 years ago

What two numbers' sum=-4 and product=-2

n200080 [17]

Let a and b be the two numbers. Then

a + b = -4

a b = -2

Solve the second equation for b :

b = -2/a

Substitute this into the first equation:

a - 2/a = -4

Multiply both sides by a :

a² - 2 = -4a

Move 4a to the left side:

a² + 4a - 2 = 0

Use the quadratic formula to solve for a :

a = (-4 ± √(4² - 4(-2))) / 2

a = -2 ± √6

If a = -2 + √6, then

-2 + √6 + b = -4

b = -2 - √6

In the other case, we end up with the same numbers, but a and b are swapped.

7 0

3 years ago

Find soluton to x^2-14x+49=25

Artyom0805 [142]

$\boxed{x=12 \ and \ x=2}$

<h2>Explanation:</h2>

In this exercise, we have the following equation:

$x^2-14x+49=25$

We can write this Quadratic Equation in Standard Form as follows:

$x^2-14x+49=25 \\ \\ Subtract \ 25 \ from \ both \ sides: \\ \\ x^2-14x+49-25=25-25 \\ \\ x^2-14x+24=0 \\ \\$

So this is a Non-perfect Square Trinomial. To factor out this, let's choose two numbers such that:

The sum is -14
The product is 24

Those numbers are:

-12 and -2
SUM: -12-2 = -14
PRODUCT: (-12)(-2)=24

So we can write this as:

$x^2 + (a + b)x + ab=(x + a)(x + b) \\ \\ a=-12 \\ b=-2 \\ \\ x^2-14x+24=(x-12)(x-2)=0 \\ \\ So \ the \ solutions \ are: \\ \\ \boxed{x=12 \ and \ x=2}$

<h2>Learn more:</h2>

Quadratic Ffrmua: brainly.com/question/10188317

#LearnWithBrainly

6 0

3 years ago

15 is 9 more than j. As an equation.

Liono4ka [1.6K]

15 is 9 more that j

Let is be the = sign.

Let more than be the + sign.

15 = 9 + j

3 0

3 years ago

Read 2 more answers

Enrollment in a school has grown exponentially since the school opened. Below is a graph depicting this growth. Determine the av

tresset_1 [31]

Answer:

2.5

Step-by-step explanation:

The average rate of the function f(x) from x=a to x=b is given by:

$\frac{f(b)-f(a)}{b-a}$

From the question, the exponential function goes through (0,30) and (20,80).

This implies that f(0)=30 and f(20)=80

Therefore the average rate of change from x = 0 to x = 20 is

$=\frac{f(20)-f(0)}{20-0}$

$=\frac{80-30}{20}$

$=\frac{50}{20}=2.5$

The second choice is correct

4 0

3 years ago

Read 2 more answers