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lorasvet [3.4K]
3 years ago
8

70 POINTS!!!!!!!!!!!!!!!!!!!!!!!!! PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE HELP MEEEEEEEEEEEEEEE! ASAP! I CANT FIGURE THIS OUT, THANK Y

OU SO MUCH!
Examine the given triangles ABC and DEF.

(A) Are the triangles congruent via rigid motion? If they are, state the transformation (reflection, rotation, or translation) that justifies your answer.
If not, explain what makes them not congruent.

For each triangle use the Pythagorean Theorem to solve for c (the hypotenuse). Round answers to the tenths place. (a and b). a2 + b2 = c2
Mathematics
1 answer:
Lemur [1.5K]3 years ago
8 0

Where are the triangles?

Lol I think ym forgot to add the pic

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Which equation has the solutions x=1+/- 5?
nikitadnepr [17]

Answer:

x^{2} -2x-4=0

Solving Steps

Use the quadratic formula

x=\frac{-(-2)(+/-)\sqrt{(-2)^2-4*1*(-4)} }{2*1}

Multiply / Remove the parentheses / Evaluate

x=\frac{2(+/-)\sqrt{4+16} }{2}

Calculate

x=\frac{2(+/-)\sqrt{20} }{2}

Separate the solutions

x=\frac{2(+/-)2\sqrt{5} }{2} \\x=\frac{2-2\sqrt{5} }2}

Simplify

x=1+\sqrt{5} \\x=1-\sqrt{5}

4 0
3 years ago
What is COP in mathematics
cluponka [151]

Answer:

Coefficient of Performance

5 0
3 years ago
2 What is the constant in the expression 8x3 + 5 + 7x2 + 6x?<br> A 8<br> B 5<br> C 7<br> D 6
lys-0071 [83]
Answer:
D) 6
Step by step explanation:
6x is the coefficient the constants would be 8,3,5,7 and 2.

Coefficient is the number with a variable and a constant is a number on its own.

Hopefully this helped!!
3 0
3 years ago
For a recent year, the rate of first-class postage is as follows:
Law Incorporation [45]

Answer:

$0.95

Step-by-step explanation:

Given that weight of the function = x

Given that cost of the postage for mail having weight less than or equal to 1 oz = $0.44

then to find the equation can be written as

C(x)=0.44  where 0<x<=1

Similarly we can write equation for other parts

C(x)=0.61  where 1<x<=2

C(x)=0.78  where 2<x<=3

C(x)=0.95  where 3<x<=3.5

Now we can write them together as piecewise function as shown in below:

C(x)=\left\{\begin{matrix}0.44 & 0

to graph that we just draw horizontal lines for each as none equation contains x on the right side .

3.48 oz is less that 3.5 so we will use $0.95.


7 0
3 years ago
Read 2 more answers
Antonio is making a mini waffle cones. Each waffle cone is 3 inches high and has a radius of 3/4 inches. What is the volume of t
castortr0y [4]
I got 7.065 for my answer.
3 0
3 years ago
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