Sasha has a triangle with vertices a,b and c. The triangle has three congruent angles. She wants to show that triangle ABC has three congruent sides, but she does not have a ruler to measure the lengths of the sides. How can she show that line triangle has three congruent sides?

Answers

Answer 1

Answer: She can draw a triangle and then write the lenghts of the triangles with the same numbers

Answer 2

Answer: If she has a protractor then she could measure the angles, if they are all the same, then the sides are congruent. It also means that the triangle is an equilateral triangle. (each angle should be 60 degrees) Without somthing a ruler or a protractor though, there is no way to know for sure.

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What is 40 divided by 1/2, plus 15

Answers

its 95 like the guy said below

Luca shows his work in finding the solution to 2 - 6x = 5 - 5(x - 1) . After checking his answer in the original equation, he found that it didn't work. where did he make a mistake?

Answers

The value of x from the given equation is -8. Luca did mistake while multiplying 5 inside the terms of a bracket.

The given equation is 2-6x=5-5(x-1).

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

The given equation can be solved as follows:

Using distributive property multiply 5 to the terms in a bracket.

That is, 2-6x=5-5x+5

⇒ 2-6x=10-5x

Add 5x to both the sides of an equation

That is, 2-6x+5x=10-5x+5x

⇒ 2-x = 10

Subtract 2 to both the sides of an equation

That is, -x=8

Multiply -1 to to both the sides of an equation

So, x=-8

The value of x from the given equation is -8. Luca did mistake while multiplying 5 inside the terms of a bracket.

To learn more about an equation visit:

brainly.com/question/14686792.

#SPJ5

step 1 is wrong, because when you distribute 5(x-1) it will equal 5x-5

Sherry bought 6 apples at 43¢ per apple. She then bought 4 oranges at 51¢ per orange. How much was her grocery bill?

Answers

Answer:

$4.62

Step-by-step explanation:

6x.43=2.58

4x.51=2.04

2.58+2.04=4.62

four dollars and 62 cents ($4.62)

16x²-81=0 solve the following quadratic equation

Answers

$16x^2-81=0\n\n(4x)^2-9^2=0\n\n(4x-9)(4x+9)=0\iff4x-9=0\ \vee\ 4x+9=0\n\n4x=9\ \vee\ 4x=-9\n\nx=(9)/(4)\ \vee\ x=-(9)/(4)$

$or\n\n16x^2-81=0\n\n16x^2=81\ \ \ \ /:16\n\nx^2=(81)/(16)\n\nx=\pm\sqrt(81)/(16)\n\nx=-(√(81))/(√(16))\ \vee\ x=(√(81))/(√(16))\n\nx=-(9)/(4)\ \vee\ x=(9)/(4)$

16x^2-81=0
(4x-9)(4x+9)
x=9/4 or x=-9/4

What is the relationship between 7 and -7

Answers

Answer:

there 14 away from each other

Step-by-step explanation:

Answer:

Have a nice day!!!!!!!! :-)

What is the are a rectangle with a length of 6 inches and a height of 1/12

Answers

Area = Length * Width

Area = 6 * 1/12 = 1/2

Area = 1/2 = 0.5

Area = 0.5 inches²

Hope this explains it.

6/1 x 1/2=6/2=3
3 inches

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