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Zigmanuir [339]
3 years ago
5

Which pair of angles are coterminal?

Mathematics
1 answer:
ladessa [460]3 years ago
7 0

Answer:

5 pi / 9   &    23 pi / 9

Step-by-step explanation:

adding or subtracting multiples of   2pi are coterminal

   2pi =   18pi/9

5 pi / 9   +  18pi/9 = 23 pi/9

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Quadrilaterals-what are all other names for quadrilateral parallelograms
iren2701 [21]
Square
Rectangle
Rhombus
Trapezoid
Kite
They all have a four sides
5 0
3 years ago
Plz help me so yeah I rly don't get this
chubhunter [2.5K]

Answer:

130

Step-by-step explanation:

The two angles add up to 180 since they form a straight line

4y-50 + 3y+55 = 180

Combine like terms

7y +5 = 180

Subtract 5 from each side

7y-5+5 = 180-5

7y = 175

Divide each side by 7

7y/7 =175/7

y =25

The obtuse angle  is greater than 90 degrees

3y+55

3(25) +55

75+ 55

130

5 0
3 years ago
Which equation could you use to solve for x in the proportion StartFraction 4 over 5 EndFraction = StartFraction 9 over x EndFra
Rudik [331]

Answer:

(b) 4 x = 4 5 is the needed expression to solve for the value of x.

Step-by-step explanation:

Here, the given proportion is simplified as:

\frac{4}{5}  = \frac{9}{x}

Now, to simplify any proportion of the form \frac{a}{b} = \frac{c}{d}  the simplest way is CROSS MULTIPLICATION.

So, cross multiplying  \frac{a}{b} = \frac{c}{d} \implies ad = bc

Similarly cross multiplying \frac{4}{5}  = \frac{9}{x}, we get:

4 (x)  = (9) (5)

or, 4 x  = 45

Hence, 4 x = 45 is the needed expression to solve for the value of x.

4 0
3 years ago
Read 2 more answers
GIVING BRAINLIEST FOR BEST ANSWER!
Marianna [84]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A bag contains eight tiles labeled A, B, C, D, E, F, G, and H. One tile will be randomly picked.
nignag [31]

Answer:

6/8 = 3/4

Step-by-step explanation:

There are 2 vowels and 6 consonants in the set

Probability is 6 chances / 8 possible of picking an non vowel

5 0
3 years ago
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