3 years ago

Given that ΔUVW is similar to ΔXYZ, find the length of ZX.

Mathematics

1 answer:

ELEN [110]3 years ago

4 0

Is that all the information given?

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Which of the following sets contain all roots of the polynomial

Zarrin [17]

All these given roots are contained in option C.

The given equation is :

$9x^{3}+9x^{2}-4x-4=0$

$9x^{2}(x+1)-4(x+1)=0$

$(9x^{2}-4)(x+1)=0$

$9x^{2}-4=0,x+1=0$

$x^{2}=\frac{4}{9},x=-1$

$x=\frac{2}{3},x=-1$

Roots = $-1,\frac{-2}{3} ,\frac{2}{3}$

Hence these lie in between $(\frac{-3}{2} ,\frac{3}{2})$

8 0

2 years ago

What is 77 = 4x + 57

Svetach [21]

Answer:

$x=5$

Step-by-step explanation:

$77=4x+57$

Subtract 57 from both sides:

$4x=20$

Divide both sides by 4:

$x=5$

3 0

3 years ago

An efficiency consultant determines that on the assembly line at Stihl Inc., there is a strong, negative, linear relationship be

nikklg [1K]

Answer:

The correct option is B.

Step-by-step explanation:

It is given that there is a strong, negative, linear relationship between x and y. where, x is the number of consecutive hours a worker has been assembling chainsaws and y is the number of chainsaws he can produce in an hour.

He finds that 70%of the variation in chainsaws produced per hour can be explained by the regression of y on x.

$y=-\frac{70}{100}x$

$y=-0.7x$

The slope is -0.7, therefore option B is correct.

8 0

2 years ago

18.386 meters rounded to the nearest hundredth

Sergio [31]

18.386 rounded to the nearest hundredth would be 18.39

8 0

3 years ago

Hello I was wondering what is the m

oee [108]

Angles in a triangle add up to 180 therefore:

Angle CAB = 180 - 60 - 50 = 70

Angles on a straight line add up to 180 therefore the missing angle is:

180 -70 = 110

Answer is D

I hope this has helped you today, please rate as brainliest if you think this helped you understand the question.

Have a great day!

5 0

2 years ago