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vredina [299]
3 years ago
10

How do I do this? Circled ones are the ones I need help with

Mathematics
1 answer:
Contact [7]3 years ago
5 0

It is a parallelogram, because it has 2 sets of parallel lines. The top and bottom are parallel to eachother and the side lines are parallel to each other.

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Find the determinant of this matrix:
Margarita [4]

Answer:

-1

Step-by-step explanation:

Formula to the determinant is:

\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad-bc

0(0)–1(1)

0-1

-1

6 0
1 year ago
Read 2 more answers
4(0.2x-5)=12 what is x
Genrish500 [490]

Answer: skksskk

Step-by-step explanation:

kssmns

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3 years ago
The sum of 5.75 and half a number is -5. What is the number? Please help!
barxatty [35]

Answer:

5.75 +  \frac{x}{2}  =  -  5 \\  \frac{x}{2}  =  - 5 - 5.75 \\  \frac{x}{2}  =  - 10.75 \\ x =  - 21.5

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2 years ago
Unit 8: Right Triangles &amp; Trigonometry<br> Homework 2: Special Right Triangles
Kamila [148]

Answer:

17. z=39/sin45=78/\sqrt{2}

    y=39/tan60=39/\sqrt{3}

    x=y/sin60=78/\sqrt{3}

19. x=6\sqrt{3}/tan60=6

    y=2x=12

    z=\sqrt{2}y=12\sqrt{2}

Step-by-step explanation:

17.

because:sin45=39/z    

so:     z=39/sin45=78/\sqrt{2}

then: tan60=39/y

so:    y=39/tan60=39/\sqrt{3}

last:  sin60=y/x

so:    x=y/sin60=78/\sqrt{3}

19.

because: tan60=6\sqrt{3}/x

so:            x=6\sqrt{3}/tan60=6

then:        sin30=x/y

so:            y=x*sin30=2x=12

last:          sin45=y/z

so:            z=sin45*y=\sqrt{2}y=12\sqrt{2}

   

4 0
2 years ago
Read 2 more answers
If the 3 cans cost 0.78 how much will 2 cans cost
ivann1987 [24]

Answer:

.52

Step-by-step explanation:

math ting

6 0
2 years ago
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