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3 years ago

Please help, will give brainliest, super easy +40pts

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

7 0

Answer:

Yes.

Step-by-step explanation:

We're given that ΔABC and ΔDEF are congruent. This means that whatever order of the transformations we do to ΔABC, we'll still get ΔDEF.

Dennis performs the reflection first before the translation 4 units down. Eduardo translates first before the reflection. However, since ABC and DEF are congruent, we know that Eduardo and Dennis will get the same result.

So, Eduardo is correct.

BARSIC [14]3 years ago

4 0

Answer: yes Eduardo is correct

Explanation: when translating and reflecting, all sides and shapes stay the same.

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49w = −8<br> what is the value of w

Anna71 [15]

Answer:

w= -0.163265306122449

Step-by-step explanation:

49w = -8

divide both sides by 49

w= -8/49 = -0.163265306122449

check answer by multiplying -0.163265306122449 by 49

49 * -0.163265306122449 = -8

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3 years ago

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The total cost of a suit and a coat is $291. The coat cost twice as much as the suit. How much did the coat cost? Write an equat

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C + S = 291
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4 years ago

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Which will result in a perfect square trinomial?

Montano1993 [528]

Perfect-square trinomials are of the form:

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Answer: correct choice is A.

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3 years ago

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What is the solution of the equation (x – 5)2 3(x – 5) 9 = 0? use u substitution and the quadratic formula to solve.

Ahat [919]

The value of x in the equation $(x-5)^{2} +3(x-5)+9=0$ is x=(7+3 $\sqrt{3}i$ )/2,

(7-3 $\sqrt{3}i$ )/2.

Given equation $(x-5)^{2} +3(x-5)+9=0$ .

We have to find the solution of the equation.

Equation is solved to find the value of variables. The number of values of the variable depends on the highest power of variables.

let (x-5)=u-------------------1

equation becomes $u^{2} +3u+9=0$

solution of a quadratic formula

x=-b± $\sqrt{b^{2} -4ac}$ /2a

on comparing with general form a=1,b=3, c=9

u=-3± $\sqrt{3^{2} -4*1*9} /2$

=-3± $\sqrt{9-36}/2$

=-3± $3\sqrt{-27}/2$

=-3± $3\sqrt{3} i/2$

$u_{1} =-3$ +3 $\sqrt{3}/2$ , $u_{2}$ =-3-3 $\sqrt{3}/2$

put the values of $u_{1}$ in equation 1

x-5= $u_{1}$

x-5=-3+ $3\sqrt{3} /2$

x=-3+3 $\sqrt{3}i/2+5$

x=7+3 $\sqrt{3} i/2$

put the values of $u_{2}$ in equation2

x-5= $u_{2}$

x-5=-3-3 $\sqrt{3} /2$

x=7-3 $\sqrt{3}/2$

Hence the values of x are 7+3 $\sqrt{3}i/2$ , 7-3 $\sqrt{3}i/2$ .

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2 years ago

which is the independent variable? the amount of cups of rice, x, or the amount of cups of water, y? please help!

Alja [10]

The independent variable belongs on the x-axis, so I’m assuming the cups of rice because the variable you show assigned to them is x

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