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ss7ja [257]
3 years ago
10

Which geometric figure must have 4 right angles

Mathematics
2 answers:
Firdavs [7]3 years ago
6 0

Answer: Quadrilateral or if thats not right Square or Rectangle

Step-by-step explanation:

sp2606 [1]3 years ago
4 0
Square or a rectangle
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Find the value of the expression 2x²-5x+6
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33x I think sorry if I am wrong
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Which of the following describes the image of a triangle after a dilation that has a scale factor of 5/6
Sergeeva-Olga [200]

Answer:

See example below.

Step-by-step explanation:

The image of a triangle will be 5/6 the size. It will be slightly smaller than the original. For example, if the side measurement of the triangle on one side is 12 then the image of the triangle after a dilation will be 12*5/6 = 60/6 = 10.

The new side length is 10 slightly smaller than 12.

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3 years ago
Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i+5/2j, find -0.4a-0.3b+0.2d=?
sveta [45]

Answer:

-\frac{2}{3}i - \frac{13}{5}j

Step-by-step explanation:

-0.4(3i + 4i) - 0.3(-2i + 5j) + 0.2(-\frac{1}{3}i + \frac{5}{2}j)

-1.2i - 1.6j + 0.6i - 1.5j - \frac{0.2}{3}i + 0.5j

Converting to fraction form;

-\frac{6}{5}i + \frac{3}{5}i - \frac{1}{15}i - \frac{8}{5}j - \frac{3}{2}j + \frac{1}{2} j

<u>Solving the i part;</u>

\frac{-18i + 9i - i}{15} = -\frac{2}{3}i

<u>Solving the j part;</u>

\frac{-16j-15j+5j}{10} = -\frac{13}{5}j

So -0.4a - o.3b + 0.2d =  -\frac{2}{3}i - \frac{13}{5}j

6 0
3 years ago
Kathy wants to buy a sweater with a price tag of $25 the store is having a 40% off sale on all clothing which expression represe
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Answer:

.60 x $25 = X

Step-by-step explanation:

there aren't any multiple choice for the expressions but this expression would give you the answer

60% or .60 times the original price of the item will give you the new price of the item

$15 is the new price of the item

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3 years ago
Solve the inequality 3x - 5 &lt; 4.
Pachacha [2.7K]

Answer:

      x < 3

Step-by-step explanation:

Since 3x - 5 < 4 then we can transpose the inequality to make x the subject of the equation:

    If 3x - 5 < 4

⇒    3x < 4 + 5

⇒       x < 9 ÷ 3

⇒       x < 3

8 0
3 years ago
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