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12345 [234]
3 years ago
7

Simplify and answer step by step​

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0

See attachment for math work. I did number 3 only.

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The sum of two numbers is 80 the ratio of those two numbers is 3:5 find the larger number
Marianna [84]
80 / 8 = 10
5 x 10 = 50
Larger number is 50.
Hope this helps.
5 0
3 years ago
In the figure shown, which composition of rigid motions will map one triangle onto the other?
Aloiza [94]

Answer: D. a rotation followed by a translation

7 0
3 years ago
Need help here <br> who is right?​
FinnZ [79.3K]

Step-by-step explanation:

Olivia is correct.  Each O is opposite of the angle θ, and each A is adjacent.

Paula's first triangle was correct.  But on the second triangle, she reversed the O and A.

7 0
4 years ago
Help please its percents ! I need
harina [27]
X %  = x/100 as a fraction
so 0.75 % = 0.75 / 100  = 75/10000 or 0.0075

so 0.75% of 560  = 560 * 0.0075 = 4.2
George was correct.
4 0
3 years ago
Read 2 more answers
Subtract: (4x3 + 9xy + 8y) – (3x3 + 5xy – 8y)
Nikitich [7]

(4x³ + 9xy + 8y) - (3x³ + 5xy - 8y) =

= 4x³ + 9xy + 8y - 3x³ - 5xy + 8y =

= 4x³ - 3x³ + 9xy - 5xy + 8y + 8y =

= x³ + 4xy + 16y ← the end answer

3 0
3 years ago
Read 2 more answers
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