2 years ago

Please help its timed XD

Mathematics

1 answer:

Lesechka [4]2 years ago

5 0

Step-by-step explanation:

Equation: 3.9^2 + x^2 = 11^2

x = 10.29

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gulaghasi [49]

Answer:

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Step-by-step explanation:

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Find the indicated length or angle measure (to the nearest tenth).

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SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Explain the formula to use

Using the cosine rule which states that:

$z^2=x^2+y^2-2xy\cos Z$

STEP 2: Write the given sides

$x=4,y=6,Z=41^{\circ},z=?$

STEP 3: Find the value of z

$\begin{gathered} By\text{ substitution,} \\ z^2=4^2+6^2-2(4)(6)\cos41 \\ z^2=16+36-48cos41 \\ z^2=52-36.22605985 \\ z^2=15.77394015 \\ z=\sqrt{15.77394015} \\ z=3.971641997 \\ z\approx4.0 \end{gathered}$

Hence, the indicated length is 4.0

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2 years ago

Solve for n 14n=70 solve

algol13

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a corn vendor at a farmers market was selling a bag of 8 ears of corn for $2.56 anithert vendor was selling a bad of 12 for 4.32

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Answer:

8 for 2.56

Step-by-step explanation:

THE ANSWER IS IN CENTS.

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