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Mrrafil [7]
3 years ago
9

I need help please answer ASAP Have a good explination.Will give brainliest

Mathematics
1 answer:
stira [4]3 years ago
3 0

Answer and Step-by-step explanation:

When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.

Now let's solve by using this statement..

1. Yes they are, cause they have excatly the same three sides and excatly the same three angles.

2. no they are not, cause they do not have excatly the same three sides and excatly the same three angles.

3. Yes they are, cause they have excatly the same three sides and excatly the same three angles.

4. Yes they are, cause they have excatly the same three sides and excatly the same three angles.

5. Yes they are, cause they have excatly the same three sides and excatly the same three angles.

6. Yes they are, cause they have excatly the same three sides and excatly the same three angles.

Hope this helped... If yes plz mark as BRAINLIEST and follow me.

Tysmm!!!

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The original price of a cell phone is $190. The sales tax is 4.9%. What is the total cost?
sashaice [31]

Answer:

$199.31

Step-by-step explanation:

To find the answer, you have to do 190 x 4.9%, which is $9.31. You can also do 190 x 4 9/10, which you need to make the 4 9/10 an improper fraction, which is 49/10. 190 x 49/10 is 9.31.   190 + 9.31 is the answer ($199.31)

6 0
3 years ago
Given: X = r + 2, Y = 2r - 9, and Z = r 2 + 17r + 30. Simplify [X · Y - Z] ÷ X.
musickatia [10]

Answer: r - 24

Step-by-step explanation:

X=r+2;Y=2r-9;Z=r^2+17x+30

\frac{x*y-z}{x}

\frac{[(r+2)(2r-9)]-(r^2+17r+30)}{r+2}

\frac{(2r^2-9r+4r-18)-(r^2+17r+30)}{r+2}

\frac{(2r^2-5r-18)-(r^2+17r+30)}{r+2}

\frac{2r^2-5r-18-r^2-17r-30)}{r+2}

Combine like terms;

\frac{r^2-22r-48}{r+2}

Solve the quadratic equation;

\frac{(r-24)(r+2)}{r+2}

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8 0
3 years ago
to which family does the function y=(x 2)1/2 3 belong? a: quadratic b: square root c: exponential d :reciprocal
Neko [114]

Answer:

option a is correct.

Step-by-step explanation:

We have given the equation:

y=x+\frac{1}{2}^{\frac{1}{2}}+3

Squaring both sides of the above equation we get:

y^2=(x+\frac{1}{2})^2+9+2\cdot(x+\frac{1}{2})(3)

After simplifying the first  step

y^2=x^2+\frac{1}{4}+x+9+3(2x+1)

y^2=x^2+x+6x+3+9+\frac{1}{4}

y^2=x^2+7x+12+\frac{1}{4}

After final simplification we get:

4y^2=4x^2+28x+49

We are getting quadratic equation since, the degree in resultant is 2.

Therefore, option a is correct.

8 0
3 years ago
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ruslelena [56]
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6 0
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Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now?
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Answer:

Kevin is 6 years old and Daniel is 3 years old

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They are now 3 years apart but two years ago, they were 4 and 1 years old, so Kevin was 4 times older than.

Hope this helped :)

5 0
3 years ago
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