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Novosadov [1.4K]
3 years ago
12

Figure ABCD is a rhombus. What other term describes figure ABCD?

Mathematics
2 answers:
meriva3 years ago
5 0
A rhombus is a quadrilateral, it has 4 sides.
A rhombus is a parallelogram, it has two pairs of opposite sides that are parallel.
Maslowich3 years ago
4 0
Paralellogram and quadrilateral and polygon
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Shelf A had 40 books and Shelf B had 16 books. After Abigail borrowed an equal number of books from Shelf A and Shelf B, there w
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120

Step-by-step explanation:

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Which is an equation in point-slope form for the given point and slope?
Kisachek [45]

The point-slope form: y-y_1=m(x-x_1)

Q2.

(1,\ -7)\to x_1=1,\ y_1=-7\\m=1\\\\y-(-7)=1(x-1)\\\\y+7=(x-1)

Q3.

(5,\ 9)\to x_1=5,\ y_1=9\\m=2\\\\y-9=2(x-5)

Q4.

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What is the best first step for solving the given system using substitution while avoiding fractions? =9x+4x=10 -9x+3y=3
aivan3 [116]

Answer:

  Solve for y in the second equation

Step-by-step explanation:

We assume your system is ...

  • -9x +4y = 10
  • -9x +3y = 3

Dividing <em>the </em><em>second equation</em> by 3 gives ...

  -3x +y = 1

so an expression for y without fractions can be found by <em>solving for y</em>, that is, by adding 3x:

  y = 3x +1

_____

<em>Comment on alternate solution</em>

We'd be tempted to solve the first equation for -9x and substitute for that.

  -9x = 10 -4y

  (10 -4y) +3y = 3 . . . . . substitute for -9x

  -y = -7 . . . . . . . . . . . . . simplify, subtract 10

  y = 7 . . . . . . . . . . . . . . multiply by -1

3 0
3 years ago
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What is the value of the expression below 81^1/4
Natalija [7]

Answer:

3

Step-by-step explanation:

recall that 81 = 3 x 3 x 3 x 3 = 3⁴

given

81^{\frac{1}{4} }

= ( 3⁴) ^ (1/4)

= 3^{(4)(1/4)}

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4 0
3 years ago
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