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steposvetlana [31]
3 years ago
14

8 x y =369 y = ? y x 9 = 63 y = 6 + y =?

Mathematics
1 answer:
Nina [5.8K]3 years ago
7 0

Answer:

1. 46.125

Step-by-step explanation: Is your second one in the right format? I don't understand what it is asking.  For the first one, however, you need to free the y being multiplied to 8 and so you are going to undo it by dividing 369 by 8.

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4/5x = 3<br> please solve for x
san4es73 [151]

Answer:

x=15/4 or x=3.75

Step-by-step explanation:

4/5*x=3

4/5=0.8

0.8*3.75=3

3 0
3 years ago
Solve for the value of y
skad [1K]

Answer:

y=8

Step-by-step explanation:

the sum of the three angles is 180

57 + 90 + 5y-7 = 180

5y + 140 = 180

5y = 40

y = 8

4 0
3 years ago
Read 2 more answers
Triangle ABC has perimeter 22 cm.
Serggg [28]

Answer:

Step-by-step explanation:

A = 8 cm

B = 5 cm

C = 22 - 8 - 5 = 9 cm

Use the Pythagreom Theroem (a^2 + b^2 = c^2) if the two sides are equal to one another than it is a right triangle.

8^2 + 5^2 = 9^2

64 + 25 = 81

89 = 81

89 does not equal 81, so this is not a right triangle.

3 0
2 years ago
What is the greatest common denominator of 81, 108, and 117?
stira [4]
If you mean greatest common factor then that means

factor each and group the ones that are same

81=3 times 3 times 3 times 3
108=2 times 2 times 3 times 3 times 3
117=3 times 3 times 13
so we look for the group common to all (I bolded it)

81=3 times 3 times 3 times 3
108=2 times 2 times 3 times 3 times 3
117=3 times 3 times 13
the answeis 3 times 3=9

greates common denomenator of these nubers is 9
8 0
3 years ago
Select ALL of the expressions that are 27 equivalent (equal) to: 27/-3
Rzqust [24]

\implies {\blue {\boxed {\boxed {\purple {\sf {(2).\: \:  \frac{ - 27}{3}\:and\: (5).\: - 9 }}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

\frac{27}{  - 3}

2. \:  \frac{ - 27}{3} ✔

5. - 9 ✔

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Mystique35♨}}}}}∘

7 0
2 years ago
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