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liq [111]
3 years ago
9

PLZZZZZZZZZZZZ HELPpppppp

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

Answer:

2x2-y=1

4-y=1

-y=1-4

-y=-3

y=3

Step-by-step explanation:

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Simplify the expression.
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Answer:

√255

Step-by-step explanation:

If multiplication, just multiply root by root and number by number.

So, √15 . √17 = √255

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Two of the exterior angles of a triangle are $158^\circ$ and $99^\circ.$ Find the third exterior angle, in degrees.
Lisa [10]

Answer:

The third exterior angle is 103^o

Step-by-step explanation:

Given

\theta = 158^o

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Required

The third exterior angle (\beta)

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So:

\theta + \alpha + \beta = 360^o

Make \beta the subject

\beta = 360^o - (\theta + \alpha)

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\beta = 360^o - (158^o + 99^o)

\beta = 103^o

4 0
3 years ago
HELP ME TO ANSWER THIS PLEASE JUST KINDA CONFUSED.
yulyashka [42]

Answer:

A = 5

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Step-by-step explanation:

This was very simple!

Nancy needs at least 15 boxes of travoprost but she only has 10. To find out how many she needs, we subtract 15 from 10 to get 5 boxes

Nancy also needs at least 12 boxes of latanoprost but she only has 3. To find out how many she needs, we subtract 12 from 3 to get 9 boxes

Therefore A = 5 boxes; B = 9 boxes

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If a car travels 55 miles per hour, how long will it have traveled if it travels 110 miles?
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Answer:

2 hours

Step-by-step explanation:

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3 years ago
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