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MatroZZZ [7]
3 years ago
7

Sarah's age is five less than twice her sister's age. Sarah is fifteen years old.

Mathematics
2 answers:
natka813 [3]3 years ago
8 0
The first one would be correct 
saul85 [17]3 years ago
3 0
Let her sisters age be x.
=>sister .....x

Sarah.
twice x=2x. then less than 5
=> (2x-5 )
if Sarah = 15 years
by substation, 2x-5=15
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
What is the answer to 8x + 8y + 12
umka21 [38]
Simplifying
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Solving
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Solving for the variable 'x'.

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3 0
3 years ago
A 10 foot ladder is leaning up against a building. If the ladder makes a 46° angle
Gnesinka [82]

Answer:

7.193 ft

Step-by-step explanation:

    |\

    |   \

    |      \

    |         \

h  |            \      10 ft

    |               \

    |                  \

    |            46°   \

    ---------------------

For the 46° angle, h is the opposite leg. The hypotenuse is 10 ft. The sine is the trig ratio that relates the opposite leg to the hypotenuse.

sin A = opp/hyp

sin 46° = h/10

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h = 7.193

Answer: 7.193 ft

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4 0
2 years ago
Read 2 more answers
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