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Nadusha1986 [10]
3 years ago
13

MARKING BRAINIEST!!! 20 PTS!!!

Mathematics
2 answers:
ipn [44]3 years ago
7 0

Step-by-step explanation:

Given, DF and DE are midsegments of ABC. so D is the mid point of AB and F is the mid point of AC. Considering AB,

Then DE is parallel to AC, as mid-segments are parallel to the non included side of the triangle.

Also, according to corresponding angle theorem,

AURORKA [14]3 years ago
6 0

Answer:

Given, DF and DE are midsegments of ABC. so D is the mid point of AB and F is the mid point of AC.

Considering AB,

Then DE is parallel to AC, as mid-segments are parallel to the non included side of the triangle.

Also, according to corresponding angle theorem,

Then,

As,

According to similarity of two triangles,

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Write three rational numbers between 1. -1 and 1 2. -4 and-3​
oksano4ka [1.4K]

Answer:

1. -1/2 1/2 1/4

2. -3.5 -3.6 -3.7

3. -1/10 -1/11 -1/12

hope this helps

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Step-by-step explanation:

4 0
3 years ago
What is the simplest form of square root of
AveGali [126]

First step is to simplify the inside of the radical. There are x's on both top and bottom of the fraction. So we subtract their exponents. x³ - x¹ = x². Because the x³ was in the denominator and it was bigger, the x² goes on the bottom.

Your new equation is:

\sqrt{\frac{126y^{5}}{32x^{2}}   }

Now, I'd suggest factoring each term to correspond with the square root.

126y⁵ = 9 · 14 · y² · y² · y

32x² = 4 · 4 · 2 · x²

9, y², and y² can be square rooted in the numerator. 4, 4, and x² in the denominator. So we pull out their square roots and place them outside of the radical. The rest stays in the radical:

\frac{3 * y * y}{2*2*x}\sqrt{\frac{14y}{2}}

Simplify to get your final answer:

\frac{3y^{2}}{4x} \sqrt{7y}

It's easier to explain on paper and in person than over computer text, sadly. Hopefully you can follow along with this.

7 0
3 years ago
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Answer:

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Step-by-step explanation:

I took a test and this question appeared,i remembered the answer , Sorry if i got it wrong..

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jasenka [17]

Multiply the equation 2x + y = 1 by 3 to obtain same coefficients of y.

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Substract the equation 3x + 3y = 15 from 6x + 3y = 3 to eliminate the terms of y.

\begin{gathered} 6x+3y-(3x+3y)=3-15 \\ 3x=-12 \\ x=-\frac{12}{3} \\ =-4 \end{gathered}

Substitute -4 for x in the equation 2x + y = 1 to obtain the value of y.

\begin{gathered} 2\cdot(-4)+y=1 \\ -8+y=1 \\ y=1+8 \\ =9 \end{gathered}

So solution of equations is (-4,9).

8 0
1 year ago
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Answer is 6. If linds buys 6 forks at $72.00. Balance is $60.00 so 60/10= 6
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