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ValentinkaMS [17]
3 years ago
5

Do all 4 pls it is easy

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

1. -2y

2.13x

3. 8d-3c

4. 8r+(-6s)

Step-by-step explanation:

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the lucases made 14 1/2 pints of jam.theyhve empty 1/4-pint jars to pour the jam into. how many jars will they need?
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3 years ago
Help me out the number inside the triangle is really throwing me off tbh
prisoha [69]

We are given an angle of 60° and a side of 15 cm.

We are given the opposite and is looking for the hypotenuse so we will use the sine ratio to find x.

sin = opp/hyp

hyp = 15 / sin 60

hyp = 17.32...

//

We can also use the tangent ratio to find the adjecent and then use pythagorean to find x.

tan = opp/adj

adj = 15 / tan 60

adj = 8.660.....

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since the square root of 300 is an irrational number, we have to turn it into a mixed radical.

The answer would be the top one.

6 0
3 years ago
How high is the end of the ladder against the building? Round to the nearest tenth if necessary.
kifflom [539]
H(ft) = √ (13² - 4²) = 12.4

It is a right-angled triangle and the Pythagorean theorem applies.

THEOREMA (by Pythagoras):
Given a right-angled triangle ABCABC as in the figure, then the relation is valida2 + b2 = c2a2 + b2 = c2where cc is the hypotenuse of the triangle and b, ab, a are the cathets.

h(ft) = √ (13² - 4²) = 12.4



6 0
3 years ago
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