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crimeas [40]
3 years ago
12

Plz help i beg i will give 20 points and give brainlist

Mathematics
2 answers:
Vlada [557]3 years ago
5 0
His error was he put 180 rather than 90 because it’s and acute angle so the number you minus by would be 90 done and then you finish the equation like he did
Lubov Fominskaja [6]3 years ago
4 0
It’s a 90 degree angle. So the equation so be 28+2x =90 and find x from there.


28+2x=90
-28 -28
2x= 62
x=31
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Answer: It's hard to explain without a grid...

The grid method is a written method used to teach children multiplication. It involves partitioning numbers into tens and units before they are multiplied. In some schools the grid method is referred to as the box method of multiplication because children learn to partition numbers into a grid of boxes.

Step-by-step explanation:

8 0
3 years ago
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Which sequence of transformations will verify that quadrilateral WTUV and quadrilateral W'T'U'V' are congruent? A) WTUV is moved
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Answer:

A) WTUV is moved onto W'T'U'V' after translating −15 units vertically, and then rotating 180° counterclockwise around the origin.

Step-by-step explanation:

WTUV is moved onto W'T'U'V' after translating −15 units vertically, and then rotating 180° counterclockwise around the origin.

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3 years ago
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Temka [501]
Put them in the mueller when it says .5
7 0
3 years ago
5
ololo11 [35]

Answer:

Step-by-step explanation:

5x:8=7:2

5x/8=7/2

<u>By Cross Multiplication:</u>

10x=56

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3 0
3 years ago
Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 36 minus the quantity of y plus 1
Sphinxa [80]

Answer:

Vertices: (1,-1), (-11, -1); Foci: (-15, -1), (5, -1)

Step-by-step explanation:

Center at (-5,-1) because of the plus 5 added to the x and the plus 1 added to the y.

a(squared)=36 which means a=6 and a=distance from center to vertices so add and subtract 6 from the x coordinate since this is a horizontal hyperbola, which is (1,-1), (-11,-1). From there you dont need to find the focus since there is only one option for this;

Vertices: (1,-1), (-11, -1); Foci: (-15, -1), (5, -1)

8 0
3 years ago
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