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marissa [1.9K]
3 years ago
9

3 1/2 x 1 2/3 Step by step explanation

Mathematics
1 answer:
Blababa [14]3 years ago
4 0

Answer:

5.83333333333

Step-by-step explanation:

i looked it up

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explain how proving two triangles congruent can help prove parts of the triangle congruent will do branliest
AleksAgata [21]

How many facts does it take to make triangles congruent? Only 3 if they are the right three and the parts are  located in the right place.

SAS where 2 sides make up one of the three angles of a triangle. The angle must between the 2 sides.

ASA where the S (side) is common to both the two given angles.

SSS where all three sides of one triangle are the same as all three sides of a second triangle. This one is my favorite. It has no exceptions.

In one very special case, you need only 2 facts, but that case is very special and it really is one of the cases above.

If you are working with a right angle triangle, you can get away with being given the hypotenuse and one of the sides. So you only need 2 facts. It is called the HL theorem. But that is a special case of SSS. The third side can be found from a^2 + b^2 = c^2.

You can also use the two sides making up the right angle but that is a special case of SAS.

Answer

There 6 parts to every triangle: 3 sides and 3 angles. If you show congruency, using any of the 3 facts above, you can conclude that the other 3 parts of the triangle are congruent as well as the three that you have.

Geometry is built on that wonderfully simple premise and it is your introduction to what makes a proof. So it's important that you understand how proving parts of congruent triangles work.

5 0
3 years ago
I’m really bad at math word problems so yeah lol don’t make fun of me
Virty [35]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELP ASAP I WILL GIVE BRAINLIEST!!
Alexxx [7]

Consider the function F(x)= x³ +½x² −2x +3. Use calc and algebra to find any and all stationary points on the graph of the function.Precalc need help ASAP

Solution:

the above function has more than one root or more than one solution. The derivative of the function represents the slope of the tangent line to the curve

F(x)= x³ +½x² −2x +3, F'(x) = 3(x3-1)+(1/2)(2)(x2-1)-2(x1-1)+0

F'(x)=3x2+x-2 is the slope of the tangent line

setting the slope =0 and solving the quadratic equations, you find all the

critical points of interest

3x2+x-2=0, solve by factoring (3x-2)(x+1)=0, then 3x-2=0, x= 2/3

and x+1=0, x=-1 substituting these values of x in the original equation

you get the corresponding values of F(x) such that;

F(x)= x³ +½x² −2x +3, F(x)=(2/3)3+1/2(2/3)2-2(2/3)+3

= 8/27+4/18-4/3+3 = 8/27+2/9-4/3+3/1 = 59/27 and the first point is

(2/3, 59/27)

F(x)= x³ +½x² −2x +3, F(x)=(-1)3+1/2(-1)2-2(-1)+3

= -1+1/2+2+3 = 9/2 and the 2nd point is ( -1, 9/2)

these two points represents points where the slope of the tangent line to the curve is 0 and could be either maximum or minimum points

You can also find the y intercepts where x = 0 F(x)= x³ +½x² −2x +3, setting x = 0, y= F(x)=3 and the point ( 0,3) is a y intercept setting y = 0, then x intercepts can be found upon solving the equation x³ +½x² −2x +3 =0

3 0
2 years ago
ANSWER FOR A BRAINLIEST Solve each system by graphing
ivann1987 [24]

Answer:

Step-by-step explanation:

3 0
3 years ago
Drag a reason to each box to complete this proof.
Bond [772]

Given: 5x – 4 + 13x = 5

Combine like terms in the given expression.

⇒ (5x + 13x) – 4 = 5

⇒ 18x – 4 = 5

By addition property of equality, add 4 on both sides to equal to the expression.

⇒ 18x – 4  + 4 = 5 + 4

⇒ 18x = 9

By division property of equality, divide 18 on both sides to equal the expression.

⇒ \frac{18x}{18}=\frac{9}{18}

By symmetric property of equality,  both sides are equal

⇒ x=\frac{1}{2}

Hence, x=\frac{1}{2}.

4 0
3 years ago
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