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2 years ago

8. State if the two triangles are congruent. If they are, state how you know.

Mathematics

1 answer:

exis [7]2 years ago

5 0

Answer:

Yes. They are identical triangles which can be seen by the fact that two of their sides are equal. Angle ABC=Angle CBA

Step-by-step explanation:

They are identical isosceles triangles.

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Charlie has $90 in a savings account. The interest rate is 10%, compounded annually. To the nearest cent, how much interest will

hichkok12 [17]

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6 0

3 years ago

The table shows a linear function. <br>which equation represents the function?

Bas_tet [7]

Answer:

Option C is correct.

The equation $f(x)= -\frac{1}{2}x +4$ represents the function.

Step-by-step explanation:

Using slope intercept form to find the equation of line :

For any two points $(x_1, y_1)$ and $(x_2, y_2)$ the equation of line is given by:

$y -y _1 = m(x-x_1)$ ......[1] ;where m is the slope given by:

$m = \frac{y_2-y_1}{x_2-x_1}$

Consider any two points from table :

let (4, 2) and (0, 4) be any two points.

calculate slope:

$m = \frac{y_2-y_1}{x_2-x_1}= \frac{4-2}{0-4}$

$m = \frac{2}{-4} = -\frac{1}{2}$

Now, substitute in equation [1] we have:

$y - 2 = -\frac{1}{2} (x-4)$

Distributive property i.e, $a\cdot (b+c) = a\cdot b + a\cdot c$

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

Add both sides 2 we get;

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

Simplify:

$y = -\frac{1}{2}x+4$

Since, y= f(x)

$f(x)= -\frac{1}{2}x +4$

therefore, the equation $f(x)= -\frac{1}{2}x +4$ represents the function.

8 0

3 years ago

CAN SOMEONE PLSSS HELP WITH 27 , 28,29!

djverab [1.8K]

The area for 27 is 64cm^2.

For the mean, you add up all the numbers then divide by how many numbers there are. So you would do 45+96+100+39+50 and divide it by 5. So your mean is 66.

Now for 29.
For when n=5 is 8
For when n=8 is 14
For when n=14 is 26

Hope this helps!

3 0

3 years ago

Read 2 more answers

PLEASE help me out in this question

erastova [34]

Answer:

It is A

Step-by-step explanation:

3 0

3 years ago

What is the y-intercept of the line given by the equation y=5x-21

Bess [88]

Answer: C.( 0,-21)

Step-by-step explanation: Use the slope-intercept form to find the slope and y-intercept.

3 0

3 years ago